Mercurial > hg
annotate mercurial/bundle2.py @ 36705:c6901665cd5b
py3: make sure __repr__ returns a str
# skip-blame because just r'' prefix
Differential Revision: https://phab.mercurial-scm.org/D2652
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Sun, 04 Mar 2018 22:40:33 +0530 |
parents | 0b697c650b04 |
children | 9988fc10f49e |
rev | line source |
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1 # bundle2.py - generic container format to transmit arbitrary data. |
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2 # |
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3 # Copyright 2013 Facebook, Inc. |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 """Handling of the new bundle2 format |
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8 |
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9 The goal of bundle2 is to act as an atomically packet to transmit a set of |
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10 payloads in an application agnostic way. It consist in a sequence of "parts" |
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11 that will be handed to and processed by the application layer. |
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12 |
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13 |
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14 General format architecture |
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15 =========================== |
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16 |
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17 The format is architectured as follow |
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18 |
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19 - magic string |
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20 - stream level parameters |
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21 - payload parts (any number) |
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22 - end of stream marker. |
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23 |
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24 the Binary format |
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25 ============================ |
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26 |
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27 All numbers are unsigned and big-endian. |
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28 |
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29 stream level parameters |
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30 ------------------------ |
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31 |
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32 Binary format is as follow |
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33 |
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34 :params size: int32 |
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35 |
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36 The total number of Bytes used by the parameters |
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37 |
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38 :params value: arbitrary number of Bytes |
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39 |
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40 A blob of `params size` containing the serialized version of all stream level |
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41 parameters. |
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42 |
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43 The blob contains a space separated list of parameters. Parameters with value |
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44 are stored in the form `<name>=<value>`. Both name and value are urlquoted. |
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45 |
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46 Empty name are obviously forbidden. |
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47 |
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48 Name MUST start with a letter. If this first letter is lower case, the |
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49 parameter is advisory and can be safely ignored. However when the first |
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50 letter is capital, the parameter is mandatory and the bundling process MUST |
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51 stop if he is not able to proceed it. |
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52 |
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53 Stream parameters use a simple textual format for two main reasons: |
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54 |
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55 - Stream level parameters should remain simple and we want to discourage any |
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56 crazy usage. |
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57 - Textual data allow easy human inspection of a bundle2 header in case of |
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58 troubles. |
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59 |
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60 Any Applicative level options MUST go into a bundle2 part instead. |
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61 |
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62 Payload part |
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63 ------------------------ |
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64 |
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65 Binary format is as follow |
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66 |
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67 :header size: int32 |
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68 |
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69 The total number of Bytes used by the part header. When the header is empty |
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70 (size = 0) this is interpreted as the end of stream marker. |
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71 |
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72 :header: |
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73 |
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74 The header defines how to interpret the part. It contains two piece of |
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75 data: the part type, and the part parameters. |
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76 |
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77 The part type is used to route an application level handler, that can |
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78 interpret payload. |
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79 |
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80 Part parameters are passed to the application level handler. They are |
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81 meant to convey information that will help the application level object to |
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82 interpret the part payload. |
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83 |
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84 The binary format of the header is has follow |
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85 |
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86 :typesize: (one byte) |
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87 |
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88 :parttype: alphanumerical part name (restricted to [a-zA-Z0-9_:-]*) |
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89 |
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90 :partid: A 32bits integer (unique in the bundle) that can be used to refer |
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91 to this part. |
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92 |
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93 :parameters: |
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94 |
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95 Part's parameter may have arbitrary content, the binary structure is:: |
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96 |
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97 <mandatory-count><advisory-count><param-sizes><param-data> |
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98 |
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99 :mandatory-count: 1 byte, number of mandatory parameters |
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100 |
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101 :advisory-count: 1 byte, number of advisory parameters |
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102 |
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103 :param-sizes: |
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104 |
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105 N couple of bytes, where N is the total number of parameters. Each |
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106 couple contains (<size-of-key>, <size-of-value) for one parameter. |
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107 |
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108 :param-data: |
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109 |
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110 A blob of bytes from which each parameter key and value can be |
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111 retrieved using the list of size couples stored in the previous |
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112 field. |
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113 |
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114 Mandatory parameters comes first, then the advisory ones. |
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115 |
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116 Each parameter's key MUST be unique within the part. |
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117 |
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118 :payload: |
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119 |
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120 payload is a series of `<chunksize><chunkdata>`. |
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121 |
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122 `chunksize` is an int32, `chunkdata` are plain bytes (as much as |
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123 `chunksize` says)` The payload part is concluded by a zero size chunk. |
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124 |
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125 The current implementation always produces either zero or one chunk. |
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126 This is an implementation limitation that will ultimately be lifted. |
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127 |
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128 `chunksize` can be negative to trigger special case processing. No such |
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129 processing is in place yet. |
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130 |
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131 Bundle processing |
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132 ============================ |
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133 |
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134 Each part is processed in order using a "part handler". Handler are registered |
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135 for a certain part type. |
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136 |
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137 The matching of a part to its handler is case insensitive. The case of the |
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138 part type is used to know if a part is mandatory or advisory. If the Part type |
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139 contains any uppercase char it is considered mandatory. When no handler is |
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140 known for a Mandatory part, the process is aborted and an exception is raised. |
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141 If the part is advisory and no handler is known, the part is ignored. When the |
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142 process is aborted, the full bundle is still read from the stream to keep the |
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143 channel usable. But none of the part read from an abort are processed. In the |
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144 future, dropping the stream may become an option for channel we do not care to |
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145 preserve. |
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146 """ |
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147 |
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148 from __future__ import absolute_import, division |
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149 |
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150 import errno |
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151 import os |
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152 import re |
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153 import string |
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154 import struct |
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155 import sys |
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156 |
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157 from .i18n import _ |
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158 from . import ( |
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159 bookmarks, |
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160 changegroup, |
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161 error, |
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162 node as nodemod, |
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163 obsolete, |
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164 phases, |
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165 pushkey, |
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166 pycompat, |
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167 streamclone, |
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168 tags, |
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169 url, |
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170 util, |
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171 ) |
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172 |
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173 urlerr = util.urlerr |
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174 urlreq = util.urlreq |
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175 |
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176 _pack = struct.pack |
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177 _unpack = struct.unpack |
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178 |
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179 _fstreamparamsize = '>i' |
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180 _fpartheadersize = '>i' |
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181 _fparttypesize = '>B' |
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182 _fpartid = '>I' |
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183 _fpayloadsize = '>i' |
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184 _fpartparamcount = '>BB' |
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185 |
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186 preferedchunksize = 32768 |
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187 |
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188 _parttypeforbidden = re.compile('[^a-zA-Z0-9_:-]') |
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189 |
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190 def outdebug(ui, message): |
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191 """debug regarding output stream (bundling)""" |
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192 if ui.configbool('devel', 'bundle2.debug'): |
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193 ui.debug('bundle2-output: %s\n' % message) |
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194 |
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195 def indebug(ui, message): |
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196 """debug on input stream (unbundling)""" |
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197 if ui.configbool('devel', 'bundle2.debug'): |
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198 ui.debug('bundle2-input: %s\n' % message) |
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199 |
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200 def validateparttype(parttype): |
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201 """raise ValueError if a parttype contains invalid character""" |
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202 if _parttypeforbidden.search(parttype): |
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203 raise ValueError(parttype) |
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204 |
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205 def _makefpartparamsizes(nbparams): |
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206 """return a struct format to read part parameter sizes |
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207 |
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208 The number parameters is variable so we need to build that format |
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209 dynamically. |
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210 """ |
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211 return '>'+('BB'*nbparams) |
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212 |
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213 parthandlermapping = {} |
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214 |
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215 def parthandler(parttype, params=()): |
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216 """decorator that register a function as a bundle2 part handler |
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217 |
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218 eg:: |
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219 |
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220 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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221 def myparttypehandler(...): |
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222 '''process a part of type "my part".''' |
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223 ... |
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224 """ |
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225 validateparttype(parttype) |
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226 def _decorator(func): |
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227 lparttype = parttype.lower() # enforce lower case matching. |
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228 assert lparttype not in parthandlermapping |
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229 parthandlermapping[lparttype] = func |
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230 func.params = frozenset(params) |
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231 return func |
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232 return _decorator |
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233 |
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234 class unbundlerecords(object): |
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235 """keep record of what happens during and unbundle |
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236 |
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237 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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238 category of record and obj is an arbitrary object. |
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239 |
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240 `records['cat']` will return all entries of this category 'cat'. |
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241 |
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242 Iterating on the object itself will yield `('category', obj)` tuples |
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243 for all entries. |
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244 |
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245 All iterations happens in chronological order. |
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246 """ |
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247 |
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248 def __init__(self): |
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249 self._categories = {} |
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250 self._sequences = [] |
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251 self._replies = {} |
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252 |
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253 def add(self, category, entry, inreplyto=None): |
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254 """add a new record of a given category. |
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255 |
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256 The entry can then be retrieved in the list returned by |
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257 self['category'].""" |
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258 self._categories.setdefault(category, []).append(entry) |
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259 self._sequences.append((category, entry)) |
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260 if inreplyto is not None: |
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261 self.getreplies(inreplyto).add(category, entry) |
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262 |
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263 def getreplies(self, partid): |
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264 """get the records that are replies to a specific part""" |
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265 return self._replies.setdefault(partid, unbundlerecords()) |
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266 |
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267 def __getitem__(self, cat): |
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268 return tuple(self._categories.get(cat, ())) |
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269 |
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270 def __iter__(self): |
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271 return iter(self._sequences) |
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272 |
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273 def __len__(self): |
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274 return len(self._sequences) |
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275 |
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276 def __nonzero__(self): |
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277 return bool(self._sequences) |
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278 |
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279 __bool__ = __nonzero__ |
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280 |
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281 class bundleoperation(object): |
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282 """an object that represents a single bundling process |
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283 |
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284 Its purpose is to carry unbundle-related objects and states. |
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285 |
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286 A new object should be created at the beginning of each bundle processing. |
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287 The object is to be returned by the processing function. |
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288 |
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289 The object has very little content now it will ultimately contain: |
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290 * an access to the repo the bundle is applied to, |
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291 * a ui object, |
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292 * a way to retrieve a transaction to add changes to the repo, |
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293 * a way to record the result of processing each part, |
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294 * a way to construct a bundle response when applicable. |
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295 """ |
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296 |
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297 def __init__(self, repo, transactiongetter, captureoutput=True): |
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298 self.repo = repo |
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299 self.ui = repo.ui |
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300 self.records = unbundlerecords() |
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301 self.reply = None |
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302 self.captureoutput = captureoutput |
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303 self.hookargs = {} |
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304 self._gettransaction = transactiongetter |
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305 # carries value that can modify part behavior |
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306 self.modes = {} |
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307 |
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308 def gettransaction(self): |
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309 transaction = self._gettransaction() |
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310 |
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311 if self.hookargs: |
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312 # the ones added to the transaction supercede those added |
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313 # to the operation. |
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314 self.hookargs.update(transaction.hookargs) |
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315 transaction.hookargs = self.hookargs |
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316 |
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317 # mark the hookargs as flushed. further attempts to add to |
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318 # hookargs will result in an abort. |
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319 self.hookargs = None |
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320 |
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321 return transaction |
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322 |
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323 def addhookargs(self, hookargs): |
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324 if self.hookargs is None: |
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325 raise error.ProgrammingError('attempted to add hookargs to ' |
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326 'operation after transaction started') |
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327 self.hookargs.update(hookargs) |
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328 |
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329 class TransactionUnavailable(RuntimeError): |
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330 pass |
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331 |
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332 def _notransaction(): |
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333 """default method to get a transaction while processing a bundle |
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334 |
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335 Raise an exception to highlight the fact that no transaction was expected |
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336 to be created""" |
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337 raise TransactionUnavailable() |
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338 |
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339 def applybundle(repo, unbundler, tr, source=None, url=None, **kwargs): |
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340 # transform me into unbundler.apply() as soon as the freeze is lifted |
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341 if isinstance(unbundler, unbundle20): |
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342 tr.hookargs['bundle2'] = '1' |
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343 if source is not None and 'source' not in tr.hookargs: |
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344 tr.hookargs['source'] = source |
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345 if url is not None and 'url' not in tr.hookargs: |
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346 tr.hookargs['url'] = url |
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347 return processbundle(repo, unbundler, lambda: tr) |
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348 else: |
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349 # the transactiongetter won't be used, but we might as well set it |
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350 op = bundleoperation(repo, lambda: tr) |
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351 _processchangegroup(op, unbundler, tr, source, url, **kwargs) |
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352 return op |
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353 |
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354 class partiterator(object): |
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355 def __init__(self, repo, op, unbundler): |
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356 self.repo = repo |
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357 self.op = op |
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358 self.unbundler = unbundler |
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359 self.iterator = None |
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360 self.count = 0 |
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361 self.current = None |
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362 |
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363 def __enter__(self): |
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364 def func(): |
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365 itr = enumerate(self.unbundler.iterparts()) |
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366 for count, p in itr: |
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367 self.count = count |
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368 self.current = p |
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369 yield p |
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370 p.consume() |
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371 self.current = None |
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372 self.iterator = func() |
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373 return self.iterator |
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374 |
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375 def __exit__(self, type, exc, tb): |
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376 if not self.iterator: |
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377 return |
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378 |
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379 # Only gracefully abort in a normal exception situation. User aborts |
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380 # like Ctrl+C throw a KeyboardInterrupt which is not a base Exception, |
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381 # and should not gracefully cleanup. |
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382 if isinstance(exc, Exception): |
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383 # Any exceptions seeking to the end of the bundle at this point are |
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384 # almost certainly related to the underlying stream being bad. |
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385 # And, chances are that the exception we're handling is related to |
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386 # getting in that bad state. So, we swallow the seeking error and |
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387 # re-raise the original error. |
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388 seekerror = False |
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389 try: |
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390 if self.current: |
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391 # consume the part content to not corrupt the stream. |
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392 self.current.consume() |
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393 |
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394 for part in self.iterator: |
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395 # consume the bundle content |
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396 part.consume() |
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397 except Exception: |
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398 seekerror = True |
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399 |
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400 # Small hack to let caller code distinguish exceptions from bundle2 |
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401 # processing from processing the old format. This is mostly needed |
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402 # to handle different return codes to unbundle according to the type |
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403 # of bundle. We should probably clean up or drop this return code |
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404 # craziness in a future version. |
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405 exc.duringunbundle2 = True |
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406 salvaged = [] |
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407 replycaps = None |
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408 if self.op.reply is not None: |
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409 salvaged = self.op.reply.salvageoutput() |
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410 replycaps = self.op.reply.capabilities |
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411 exc._replycaps = replycaps |
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412 exc._bundle2salvagedoutput = salvaged |
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413 |
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414 # Re-raising from a variable loses the original stack. So only use |
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415 # that form if we need to. |
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416 if seekerror: |
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417 raise exc |
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418 |
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419 self.repo.ui.debug('bundle2-input-bundle: %i parts total\n' % |
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420 self.count) |
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421 |
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422 def processbundle(repo, unbundler, transactiongetter=None, op=None): |
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423 """This function process a bundle, apply effect to/from a repo |
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424 |
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425 It iterates over each part then searches for and uses the proper handling |
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426 code to process the part. Parts are processed in order. |
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427 |
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428 Unknown Mandatory part will abort the process. |
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429 |
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430 It is temporarily possible to provide a prebuilt bundleoperation to the |
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431 function. This is used to ensure output is properly propagated in case of |
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432 an error during the unbundling. This output capturing part will likely be |
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433 reworked and this ability will probably go away in the process. |
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434 """ |
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435 if op is None: |
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436 if transactiongetter is None: |
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437 transactiongetter = _notransaction |
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438 op = bundleoperation(repo, transactiongetter) |
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439 # todo: |
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440 # - replace this is a init function soon. |
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441 # - exception catching |
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442 unbundler.params |
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443 if repo.ui.debugflag: |
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444 msg = ['bundle2-input-bundle:'] |
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445 if unbundler.params: |
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446 msg.append(' %i params' % len(unbundler.params)) |
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447 if op._gettransaction is None or op._gettransaction is _notransaction: |
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448 msg.append(' no-transaction') |
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449 else: |
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450 msg.append(' with-transaction') |
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451 msg.append('\n') |
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452 repo.ui.debug(''.join(msg)) |
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453 |
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|
454 processparts(repo, op, unbundler) |
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455 |
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|
456 return op |
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457 |
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458 def processparts(repo, op, unbundler): |
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459 with partiterator(repo, op, unbundler) as parts: |
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|
460 for part in parts: |
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|
461 _processpart(op, part) |
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462 |
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463 def _processchangegroup(op, cg, tr, source, url, **kwargs): |
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464 ret = cg.apply(op.repo, tr, source, url, **kwargs) |
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465 op.records.add('changegroup', { |
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466 'return': ret, |
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467 }) |
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|
468 return ret |
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|
469 |
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470 def _gethandler(op, part): |
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471 status = 'unknown' # used by debug output |
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472 try: |
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473 handler = parthandlermapping.get(part.type) |
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474 if handler is None: |
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475 status = 'unsupported-type' |
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476 raise error.BundleUnknownFeatureError(parttype=part.type) |
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477 indebug(op.ui, 'found a handler for part %s' % part.type) |
34259
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478 unknownparams = part.mandatorykeys - handler.params |
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479 if unknownparams: |
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480 unknownparams = list(unknownparams) |
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481 unknownparams.sort() |
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482 status = 'unsupported-params (%s)' % ', '.join(unknownparams) |
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483 raise error.BundleUnknownFeatureError(parttype=part.type, |
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484 params=unknownparams) |
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485 status = 'supported' |
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486 except error.BundleUnknownFeatureError as exc: |
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487 if part.mandatory: # mandatory parts |
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488 raise |
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489 indebug(op.ui, 'ignoring unsupported advisory part %s' % exc) |
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490 return # skip to part processing |
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491 finally: |
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492 if op.ui.debugflag: |
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493 msg = ['bundle2-input-part: "%s"' % part.type] |
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494 if not part.mandatory: |
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495 msg.append(' (advisory)') |
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496 nbmp = len(part.mandatorykeys) |
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497 nbap = len(part.params) - nbmp |
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498 if nbmp or nbap: |
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499 msg.append(' (params:') |
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500 if nbmp: |
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501 msg.append(' %i mandatory' % nbmp) |
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502 if nbap: |
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503 msg.append(' %i advisory' % nbmp) |
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504 msg.append(')') |
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505 msg.append(' %s\n' % status) |
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|
506 op.ui.debug(''.join(msg)) |
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|
507 |
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|
508 return handler |
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|
509 |
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|
510 def _processpart(op, part): |
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|
511 """process a single part from a bundle |
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|
512 |
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513 The part is guaranteed to have been fully consumed when the function exits |
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|
514 (even if an exception is raised).""" |
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|
515 handler = _gethandler(op, part) |
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516 if handler is None: |
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|
517 return |
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|
518 |
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|
519 # handler is called outside the above try block so that we don't |
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|
520 # risk catching KeyErrors from anything other than the |
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521 # parthandlermapping lookup (any KeyError raised by handler() |
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|
522 # itself represents a defect of a different variety). |
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|
523 output = None |
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|
524 if op.captureoutput and op.reply is not None: |
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|
525 op.ui.pushbuffer(error=True, subproc=True) |
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|
526 output = '' |
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|
527 try: |
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|
528 handler(op, part) |
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|
529 finally: |
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|
530 if output is not None: |
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|
531 output = op.ui.popbuffer() |
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|
532 if output: |
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|
533 outpart = op.reply.newpart('output', data=output, |
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|
534 mandatory=False) |
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|
535 outpart.addparam( |
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|
536 'in-reply-to', pycompat.bytestr(part.id), mandatory=False) |
23008
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diff
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|
537 |
21138
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changeset
|
538 def decodecaps(blob): |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
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parents:
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diff
changeset
|
539 """decode a bundle2 caps bytes blob into a dictionary |
21138
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|
540 |
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changeset
|
541 The blob is a list of capabilities (one per line) |
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diff
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|
542 Capabilities may have values using a line of the form:: |
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|
543 |
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|
544 capability=value1,value2,value3 |
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|
545 |
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changeset
|
546 The values are always a list.""" |
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diff
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|
547 caps = {} |
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|
548 for line in blob.splitlines(): |
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|
549 if not line: |
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changeset
|
550 continue |
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|
551 if '=' not in line: |
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|
552 key, vals = line, () |
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|
553 else: |
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|
554 key, vals = line.split('=', 1) |
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|
555 vals = vals.split(',') |
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|
556 key = urlreq.unquote(key) |
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|
557 vals = [urlreq.unquote(v) for v in vals] |
21138
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|
558 caps[key] = vals |
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|
559 return caps |
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|
560 |
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|
561 def encodecaps(caps): |
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562 """encode a bundle2 caps dictionary into a bytes blob""" |
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|
563 chunks = [] |
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|
564 for ca in sorted(caps): |
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|
565 vals = caps[ca] |
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|
566 ca = urlreq.quote(ca) |
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567 vals = [urlreq.quote(v) for v in vals] |
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|
568 if vals: |
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569 ca = "%s=%s" % (ca, ','.join(vals)) |
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570 chunks.append(ca) |
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571 return '\n'.join(chunks) |
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572 |
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573 bundletypes = { |
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574 "": ("", 'UN'), # only when using unbundle on ssh and old http servers |
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575 # since the unification ssh accepts a header but there |
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576 # is no capability signaling it. |
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577 "HG20": (), # special-cased below |
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578 "HG10UN": ("HG10UN", 'UN'), |
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579 "HG10BZ": ("HG10", 'BZ'), |
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580 "HG10GZ": ("HG10GZ", 'GZ'), |
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581 } |
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582 |
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583 # hgweb uses this list to communicate its preferred type |
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584 bundlepriority = ['HG10GZ', 'HG10BZ', 'HG10UN'] |
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585 |
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586 class bundle20(object): |
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587 """represent an outgoing bundle2 container |
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588 |
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589 Use the `addparam` method to add stream level parameter. and `newpart` to |
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590 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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591 data that compose the bundle2 container.""" |
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592 |
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593 _magicstring = 'HG20' |
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594 |
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595 def __init__(self, ui, capabilities=()): |
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596 self.ui = ui |
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597 self._params = [] |
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598 self._parts = [] |
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599 self.capabilities = dict(capabilities) |
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600 self._compengine = util.compengines.forbundletype('UN') |
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601 self._compopts = None |
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602 # If compression is being handled by a consumer of the raw |
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603 # data (e.g. the wire protocol), unsetting this flag tells |
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604 # consumers that the bundle is best left uncompressed. |
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605 self.prefercompressed = True |
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606 |
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607 def setcompression(self, alg, compopts=None): |
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608 """setup core part compression to <alg>""" |
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609 if alg in (None, 'UN'): |
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610 return |
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611 assert not any(n.lower() == 'compression' for n, v in self._params) |
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612 self.addparam('Compression', alg) |
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613 self._compengine = util.compengines.forbundletype(alg) |
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614 self._compopts = compopts |
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615 |
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616 @property |
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617 def nbparts(self): |
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618 """total number of parts added to the bundler""" |
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619 return len(self._parts) |
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620 |
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621 # methods used to defines the bundle2 content |
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622 def addparam(self, name, value=None): |
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623 """add a stream level parameter""" |
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624 if not name: |
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625 raise ValueError(r'empty parameter name') |
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626 if name[0:1] not in pycompat.bytestr(string.ascii_letters): |
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627 raise ValueError(r'non letter first character: %s' % name) |
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628 self._params.append((name, value)) |
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629 |
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630 def addpart(self, part): |
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631 """add a new part to the bundle2 container |
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632 |
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633 Parts contains the actual applicative payload.""" |
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634 assert part.id is None |
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635 part.id = len(self._parts) # very cheap counter |
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636 self._parts.append(part) |
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637 |
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638 def newpart(self, typeid, *args, **kwargs): |
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639 """create a new part and add it to the containers |
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640 |
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641 As the part is directly added to the containers. For now, this means |
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642 that any failure to properly initialize the part after calling |
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643 ``newpart`` should result in a failure of the whole bundling process. |
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644 |
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645 You can still fall back to manually create and add if you need better |
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646 control.""" |
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647 part = bundlepart(typeid, *args, **kwargs) |
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648 self.addpart(part) |
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649 return part |
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650 |
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651 # methods used to generate the bundle2 stream |
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652 def getchunks(self): |
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653 if self.ui.debugflag: |
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654 msg = ['bundle2-output-bundle: "%s",' % self._magicstring] |
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655 if self._params: |
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656 msg.append(' (%i params)' % len(self._params)) |
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657 msg.append(' %i parts total\n' % len(self._parts)) |
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658 self.ui.debug(''.join(msg)) |
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659 outdebug(self.ui, 'start emission of %s stream' % self._magicstring) |
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660 yield self._magicstring |
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661 param = self._paramchunk() |
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662 outdebug(self.ui, 'bundle parameter: %s' % param) |
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663 yield _pack(_fstreamparamsize, len(param)) |
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664 if param: |
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665 yield param |
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666 for chunk in self._compengine.compressstream(self._getcorechunk(), |
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667 self._compopts): |
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668 yield chunk |
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669 |
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670 def _paramchunk(self): |
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671 """return a encoded version of all stream parameters""" |
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672 blocks = [] |
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673 for par, value in self._params: |
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674 par = urlreq.quote(par) |
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|
675 if value is not None: |
28883
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timeless <timeless@mozdev.org>
parents:
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diff
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|
676 value = urlreq.quote(value) |
20809
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|
677 par = '%s=%s' % (par, value) |
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|
678 blocks.append(par) |
20804
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|
679 return ' '.join(blocks) |
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diff
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|
680 |
26396
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|
681 def _getcorechunk(self): |
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682 """yield chunk for the core part of the bundle |
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|
683 |
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|
684 (all but headers and parameters)""" |
d90c30801cdf
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|
685 outdebug(self.ui, 'start of parts') |
d90c30801cdf
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|
686 for part in self._parts: |
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parents:
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diff
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|
687 outdebug(self.ui, 'bundle part: "%s"' % part.type) |
d90c30801cdf
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diff
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|
688 for chunk in part.getchunks(ui=self.ui): |
d90c30801cdf
bundle20: extract core payload generation in its own function
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parents:
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diff
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|
689 yield chunk |
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|
690 outdebug(self.ui, 'end of bundle') |
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diff
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|
691 yield _pack(_fpartheadersize, 0) |
d90c30801cdf
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
692 |
d90c30801cdf
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parents:
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diff
changeset
|
693 |
24794
21f2e8f48ae1
bundle2: add a 'salvageoutput' method on bundle20
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24793
diff
changeset
|
694 def salvageoutput(self): |
21f2e8f48ae1
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parents:
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diff
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|
695 """return a list with a copy of all output parts in the bundle |
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diff
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|
696 |
21f2e8f48ae1
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diff
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|
697 This is meant to be used during error handling to make sure we preserve |
21f2e8f48ae1
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diff
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|
698 server output""" |
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diff
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|
699 salvaged = [] |
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|
700 for part in self._parts: |
21f2e8f48ae1
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parents:
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diff
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|
701 if part.type.startswith('output'): |
21f2e8f48ae1
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
702 salvaged.append(part.copy()) |
21f2e8f48ae1
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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|
703 return salvaged |
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diff
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|
704 |
21f2e8f48ae1
bundle2: add a 'salvageoutput' method on bundle20
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parents:
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diff
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|
705 |
21013
a813caca89b3
bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
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|
706 class unpackermixin(object): |
a813caca89b3
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diff
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707 """A mixin to extract bytes and struct data from a stream""" |
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520df53ad26a
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
708 |
21013
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diff
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|
709 def __init__(self, fp): |
20802
520df53ad26a
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parents:
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710 self._fp = fp |
520df53ad26a
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parents:
20801
diff
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|
711 |
520df53ad26a
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parents:
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|
712 def _unpack(self, format): |
31862
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
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|
713 """unpack this struct format from the stream |
9bd9e9cb3f69
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parents:
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diff
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|
714 |
9bd9e9cb3f69
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
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|
715 This method is meant for internal usage by the bundle2 protocol only. |
9bd9e9cb3f69
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parents:
31861
diff
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|
716 They directly manipulate the low level stream including bundle2 level |
9bd9e9cb3f69
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parents:
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diff
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|
717 instruction. |
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bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
718 |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
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parents:
31861
diff
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|
719 Do not use it to implement higher-level logic or methods.""" |
20802
520df53ad26a
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parents:
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diff
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|
720 data = self._readexact(struct.calcsize(format)) |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
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|
721 return _unpack(format, data) |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
722 |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
723 def _readexact(self, size): |
31862
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
724 """read exactly <size> bytes from the stream |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
725 |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
changeset
|
726 This method is meant for internal usage by the bundle2 protocol only. |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
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|
727 They directly manipulate the low level stream including bundle2 level |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
changeset
|
728 instruction. |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
changeset
|
729 |
9bd9e9cb3f69
bundle2: clarify the docstring of unpackermixin methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31861
diff
changeset
|
730 Do not use it to implement higher-level logic or methods.""" |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
731 return changegroup.readexactly(self._fp, size) |
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
732 |
25640
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
733 def getunbundler(ui, fp, magicstring=None): |
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
734 """return a valid unbundler object for a given magicstring""" |
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
735 if magicstring is None: |
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
736 magicstring = changegroup.readexactly(fp, 4) |
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
737 magic, version = magicstring[0:2], magicstring[2:4] |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
738 if magic != 'HG': |
33127
0aae80d14fed
bundle2: add some debugging information to the not-a-bundle error
Siddharth Agarwal <sid0@fb.com>
parents:
33044
diff
changeset
|
739 ui.debug( |
0aae80d14fed
bundle2: add some debugging information to the not-a-bundle error
Siddharth Agarwal <sid0@fb.com>
parents:
33044
diff
changeset
|
740 "error: invalid magic: %r (version %r), should be 'HG'\n" |
0aae80d14fed
bundle2: add some debugging information to the not-a-bundle error
Siddharth Agarwal <sid0@fb.com>
parents:
33044
diff
changeset
|
741 % (magic, version)) |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
742 raise error.Abort(_('not a Mercurial bundle')) |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
743 unbundlerclass = formatmap.get(version) |
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
744 if unbundlerclass is None: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
745 raise error.Abort(_('unknown bundle version %s') % version) |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
746 unbundler = unbundlerclass(ui, fp) |
25640
39f0064a3079
bundle2.getunbundler: rename "header" to "magicstring"
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25518
diff
changeset
|
747 indebug(ui, 'start processing of %s stream' % magicstring) |
24642
54e5c239c2d9
unbundle20: move header parsing into the 'getunbundler' function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24641
diff
changeset
|
748 return unbundler |
24641
60fecc5b14a4
unbundle20: retrieve unbundler instances through a factory function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24640
diff
changeset
|
749 |
21013
a813caca89b3
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parents:
21005
diff
changeset
|
750 class unbundle20(unpackermixin): |
a813caca89b3
bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
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|
751 """interpret a bundle2 stream |
a813caca89b3
bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
changeset
|
752 |
21129
07bcbf326c8d
bundle2: use an official iterparts method to unbundle parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21066
diff
changeset
|
753 This class is fed with a binary stream and yields parts through its |
07bcbf326c8d
bundle2: use an official iterparts method to unbundle parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21066
diff
changeset
|
754 `iterparts` methods.""" |
21013
a813caca89b3
bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
changeset
|
755 |
26542
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
756 _magicstring = 'HG20' |
b87e4638dabf
bundle2: add a way to just forward the bundle2 stream to another user
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26541
diff
changeset
|
757 |
24642
54e5c239c2d9
unbundle20: move header parsing into the 'getunbundler' function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24641
diff
changeset
|
758 def __init__(self, ui, fp): |
21066
5ecfe76d0d96
bundle2: make header reading optional
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21062
diff
changeset
|
759 """If header is specified, we do not read it out of the stream.""" |
21013
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bundle2: extract stream/unpack logic in an unpackermixin
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
changeset
|
760 self.ui = ui |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
761 self._compengine = util.compengines.forbundletype('UN') |
26802
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
changeset
|
762 self._compressed = None |
21013
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21005
diff
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|
763 super(unbundle20, self).__init__(fp) |
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
764 |
20802
520df53ad26a
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parents:
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diff
changeset
|
765 @util.propertycache |
520df53ad26a
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parents:
20801
diff
changeset
|
766 def params(self): |
21024
7731a2281cf0
spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents:
21020
diff
changeset
|
767 """dictionary of stream level parameters""" |
25320
697d8953b04d
bundle2: handle new line in 'indebug' function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25319
diff
changeset
|
768 indebug(self.ui, 'reading bundle2 stream parameters') |
20805
c5aaeca0cfbf
bundle2: support for unbundling simple parameter
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20804
diff
changeset
|
769 params = {} |
c5aaeca0cfbf
bundle2: support for unbundling simple parameter
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20804
diff
changeset
|
770 paramssize = self._unpack(_fstreamparamsize)[0] |
23011
006a81d07e57
bundle2: detect and disallow a negative chunk size
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23010
diff
changeset
|
771 if paramssize < 0: |
006a81d07e57
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parents:
23010
diff
changeset
|
772 raise error.BundleValueError('negative bundle param size: %i' |
006a81d07e57
bundle2: detect and disallow a negative chunk size
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23010
diff
changeset
|
773 % paramssize) |
20805
c5aaeca0cfbf
bundle2: support for unbundling simple parameter
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20804
diff
changeset
|
774 if paramssize: |
26541
d40029b4296e
bundle2: split parameter retrieval and processing
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26404
diff
changeset
|
775 params = self._readexact(paramssize) |
d40029b4296e
bundle2: split parameter retrieval and processing
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parents:
26404
diff
changeset
|
776 params = self._processallparams(params) |
20805
c5aaeca0cfbf
bundle2: support for unbundling simple parameter
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20804
diff
changeset
|
777 return params |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
778 |
26541
d40029b4296e
bundle2: split parameter retrieval and processing
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26404
diff
changeset
|
779 def _processallparams(self, paramsblock): |
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780 """""" |
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781 params = util.sortdict() |
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782 for p in paramsblock.split(' '): |
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783 p = p.split('=', 1) |
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784 p = [urlreq.unquote(i) for i in p] |
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785 if len(p) < 2: |
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786 p.append(None) |
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787 self._processparam(*p) |
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788 params[p[0]] = p[1] |
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789 return params |
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|
790 |
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|
791 |
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792 def _processparam(self, name, value): |
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diff
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|
793 """process a parameter, applying its effect if needed |
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794 |
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diff
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|
795 Parameter starting with a lower case letter are advisory and will be |
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diff
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|
796 ignored when unknown. Those starting with an upper case letter are |
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|
797 mandatory and will this function will raise a KeyError when unknown. |
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|
798 |
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diff
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|
799 Note: no option are currently supported. Any input will be either |
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800 ignored or failing. |
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801 """ |
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diff
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|
802 if not name: |
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parents:
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diff
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|
803 raise ValueError(r'empty parameter name') |
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Augie Fackler <augie@google.com>
parents:
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diff
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|
804 if name[0:1] not in pycompat.bytestr(string.ascii_letters): |
a48b3db0baba
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parents:
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diff
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|
805 raise ValueError(r'non letter first character: %s' % name) |
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|
806 try: |
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807 handler = b2streamparamsmap[name.lower()] |
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|
808 except KeyError: |
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809 if name[0:1].islower(): |
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parents:
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|
810 indebug(self.ui, "ignoring unknown parameter %s" % name) |
26395
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|
811 else: |
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diff
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|
812 raise error.BundleUnknownFeatureError(params=(name,)) |
20844
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813 else: |
26395
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|
814 handler(self, name, value) |
20844
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|
815 |
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816 def _forwardchunks(self): |
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817 """utility to transfer a bundle2 as binary |
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|
818 |
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|
819 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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820 have no way to know then the reply end, relying on the bundle to be |
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|
821 interpreted to know its end. This is terrible and we are sorry, but we |
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|
822 needed to move forward to get general delta enabled. |
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823 """ |
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824 yield self._magicstring |
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825 assert 'params' not in vars(self) |
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826 paramssize = self._unpack(_fstreamparamsize)[0] |
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827 if paramssize < 0: |
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|
828 raise error.BundleValueError('negative bundle param size: %i' |
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|
829 % paramssize) |
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|
830 yield _pack(_fstreamparamsize, paramssize) |
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|
831 if paramssize: |
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832 params = self._readexact(paramssize) |
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833 self._processallparams(params) |
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|
834 yield params |
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|
835 assert self._compengine.bundletype == 'UN' |
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|
836 # From there, payload might need to be decompressed |
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|
837 self._fp = self._compengine.decompressorreader(self._fp) |
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838 emptycount = 0 |
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|
839 while emptycount < 2: |
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840 # so we can brainlessly loop |
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841 assert _fpartheadersize == _fpayloadsize |
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|
842 size = self._unpack(_fpartheadersize)[0] |
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|
843 yield _pack(_fpartheadersize, size) |
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|
844 if size: |
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|
845 emptycount = 0 |
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846 else: |
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847 emptycount += 1 |
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|
848 continue |
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|
849 if size == flaginterrupt: |
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850 continue |
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851 elif size < 0: |
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|
852 raise error.BundleValueError('negative chunk size: %i') |
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|
853 yield self._readexact(size) |
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|
854 |
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|
855 |
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|
856 def iterparts(self, seekable=False): |
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|
857 """yield all parts contained in the stream""" |
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|
858 cls = seekableunbundlepart if seekable else unbundlepart |
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|
859 # make sure param have been loaded |
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|
860 self.params |
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861 # From there, payload need to be decompressed |
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862 self._fp = self._compengine.decompressorreader(self._fp) |
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|
863 indebug(self.ui, 'start extraction of bundle2 parts') |
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864 headerblock = self._readpartheader() |
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|
865 while headerblock is not None: |
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866 part = cls(self.ui, headerblock, self._fp) |
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|
867 yield part |
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|
868 # Ensure part is fully consumed so we can start reading the next |
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|
869 # part. |
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|
870 part.consume() |
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|
871 |
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|
872 headerblock = self._readpartheader() |
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|
873 indebug(self.ui, 'end of bundle2 stream') |
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|
874 |
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875 def _readpartheader(self): |
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876 """reads a part header size and return the bytes blob |
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|
877 |
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|
878 returns None if empty""" |
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20856
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|
879 headersize = self._unpack(_fpartheadersize)[0] |
23011
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|
880 if headersize < 0: |
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diff
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|
881 raise error.BundleValueError('negative part header size: %i' |
006a81d07e57
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diff
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|
882 % headersize) |
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|
883 indebug(self.ui, 'part header size: %i' % headersize) |
21014
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diff
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|
884 if headersize: |
a6246bba7b9e
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parents:
21013
diff
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|
885 return self._readexact(headersize) |
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bundle2: add an unbundle part responsible from unbundling part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21013
diff
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|
886 return None |
20864
9a75d2559cff
bundle2: support unbundling empty part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20856
diff
changeset
|
887 |
24071
184a2f6f40da
bundle2.unbundle20: add compressed() method
Eric Sumner <ericsumner@fb.com>
parents:
24070
diff
changeset
|
888 def compressed(self): |
26802
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
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parents:
26795
diff
changeset
|
889 self.params # load params |
42f705f2c02d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
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|
890 return self._compressed |
20802
520df53ad26a
bundle2: a very first version of bundle2 unbundler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20801
diff
changeset
|
891 |
31863
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
892 def close(self): |
cd7aaf344d83
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parents:
31862
diff
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|
893 """close underlying file""" |
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
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|
894 if util.safehasattr(self._fp, 'close'): |
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
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parents:
31862
diff
changeset
|
895 return self._fp.close() |
cd7aaf344d83
bundle2: move the 'close' method off the unpackermixin
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31862
diff
changeset
|
896 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
897 formatmap = {'20': unbundle20} |
24648
5cac3accdaa1
unbundle20: allow generic dispatch between unbundlers
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24642
diff
changeset
|
898 |
26395
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
899 b2streamparamsmap = {} |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
900 |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
901 def b2streamparamhandler(name): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
902 """register a handler for a stream level parameter""" |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
903 def decorator(func): |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
904 assert name not in formatmap |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
905 b2streamparamsmap[name] = func |
4e7b0bf9f0b1
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
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|
906 return func |
4e7b0bf9f0b1
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
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|
907 return decorator |
4e7b0bf9f0b1
unbundle20: allow registering handlers for stream level parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26393
diff
changeset
|
908 |
26404
795f02a24b87
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
909 @b2streamparamhandler('compression') |
795f02a24b87
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
910 def processcompression(unbundler, param, value): |
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
911 """read compression parameter and install payload decompression""" |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
912 if value not in util.compengines.supportedbundletypes: |
26404
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
913 raise error.BundleUnknownFeatureError(params=(param,), |
795f02a24b87
bundle2: allow compressed bundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
914 values=(value,)) |
30353
d045b4091197
bundle2: use compression engines API to obtain decompressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30351
diff
changeset
|
915 unbundler._compengine = util.compengines.forbundletype(value) |
26802
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
changeset
|
916 if value is not None: |
42f705f2c02d
bundle2: make unbundle.compressed return True when compressed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26795
diff
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|
917 unbundler._compressed = True |
26404
795f02a24b87
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26396
diff
changeset
|
918 |
21005
3d38ebb586fe
bundle2: rename part to bundlepart
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21004
diff
changeset
|
919 class bundlepart(object): |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
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|
920 """A bundle2 part contains application level payload |
8a6a86c9a5b5
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
921 |
8a6a86c9a5b5
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parents:
20844
diff
changeset
|
922 The part `type` is used to route the part to the application level |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
923 handler. |
21604
c399bf961cb9
bundle2: the ability to set ``data`` attribute of the part is now official
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parents:
21603
diff
changeset
|
924 |
c399bf961cb9
bundle2: the ability to set ``data`` attribute of the part is now official
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
925 The part payload is contained in ``part.data``. It could be raw bytes or a |
21605
f9dabfceb259
bundle2: introduce a ``addparam`` method on part
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parents:
21604
diff
changeset
|
926 generator of byte chunks. |
f9dabfceb259
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parents:
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diff
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|
927 |
f9dabfceb259
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parents:
21604
diff
changeset
|
928 You can add parameters to the part using the ``addparam`` method. |
f9dabfceb259
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parents:
21604
diff
changeset
|
929 Parameters can be either mandatory (default) or advisory. Remote side |
f9dabfceb259
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parents:
21604
diff
changeset
|
930 should be able to safely ignore the advisory ones. |
f9dabfceb259
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parents:
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diff
changeset
|
931 |
f9dabfceb259
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parents:
21604
diff
changeset
|
932 Both data and parameters cannot be modified after the generation has begun. |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
933 """ |
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
934 |
20877
9e9e3a4e9261
bundle2: part params
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20876
diff
changeset
|
935 def __init__(self, parttype, mandatoryparams=(), advisoryparams=(), |
23590
4440c7cc3728
bundle2.bundlepart: make mandatory part flag explicit in API
Eric Sumner <ericsumner@fb.com>
parents:
23586
diff
changeset
|
936 data='', mandatory=True): |
23868
405eacbecc52
bundle2: enforce parttype as alphanumerical
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23590
diff
changeset
|
937 validateparttype(parttype) |
20995
e995d104c87f
bundle2: add an integer id to part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20952
diff
changeset
|
938 self.id = None |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
939 self.type = parttype |
21604
c399bf961cb9
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
940 self._data = data |
21605
f9dabfceb259
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
941 self._mandatoryparams = list(mandatoryparams) |
f9dabfceb259
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
942 self._advisoryparams = list(advisoryparams) |
21607
054fa5176fa7
bundle2: forbid duplicate parameter keys
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21606
diff
changeset
|
943 # checking for duplicated entries |
054fa5176fa7
bundle2: forbid duplicate parameter keys
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21606
diff
changeset
|
944 self._seenparams = set() |
054fa5176fa7
bundle2: forbid duplicate parameter keys
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21606
diff
changeset
|
945 for pname, __ in self._mandatoryparams + self._advisoryparams: |
054fa5176fa7
bundle2: forbid duplicate parameter keys
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21606
diff
changeset
|
946 if pname in self._seenparams: |
31647 | 947 raise error.ProgrammingError('duplicated params: %s' % pname) |
21607
054fa5176fa7
bundle2: forbid duplicate parameter keys
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21606
diff
changeset
|
948 self._seenparams.add(pname) |
21601
7ff01befc7ec
bundle2: track life cycle of parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21600
diff
changeset
|
949 # status of the part's generation: |
7ff01befc7ec
bundle2: track life cycle of parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21600
diff
changeset
|
950 # - None: not started, |
7ff01befc7ec
bundle2: track life cycle of parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21600
diff
changeset
|
951 # - False: currently generated, |
7ff01befc7ec
bundle2: track life cycle of parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21600
diff
changeset
|
952 # - True: generation done. |
7ff01befc7ec
bundle2: track life cycle of parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21600
diff
changeset
|
953 self._generated = None |
23590
4440c7cc3728
bundle2.bundlepart: make mandatory part flag explicit in API
Eric Sumner <ericsumner@fb.com>
parents:
23586
diff
changeset
|
954 self.mandatory = mandatory |
20856
8a6a86c9a5b5
bundle2: support bundling of empty part (with a type)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20844
diff
changeset
|
955 |
30872
1f51b4658f21
bundle2: implement a basic __repr__ for bundle2 part
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30871
diff
changeset
|
956 def __repr__(self): |
1f51b4658f21
bundle2: implement a basic __repr__ for bundle2 part
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30871
diff
changeset
|
957 cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
1f51b4658f21
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30871
diff
changeset
|
958 return ('<%s object at %x; id: %s; type: %s; mandatory: %s>' |
1f51b4658f21
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30871
diff
changeset
|
959 % (cls, id(self), self.id, self.type, self.mandatory)) |
1f51b4658f21
bundle2: implement a basic __repr__ for bundle2 part
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30871
diff
changeset
|
960 |
24793
2ec894582ea2
bundle2: add a 'copy' method on parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
961 def copy(self): |
2ec894582ea2
bundle2: add a 'copy' method on parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
962 """return a copy of the part |
2ec894582ea2
bundle2: add a 'copy' method on parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
963 |
2ec894582ea2
bundle2: add a 'copy' method on parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
964 The new part have the very same content but no partid assigned yet. |
2ec894582ea2
bundle2: add a 'copy' method on parts
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
965 Parts with generated data cannot be copied.""" |
2ec894582ea2
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
966 assert not util.safehasattr(self.data, 'next') |
2ec894582ea2
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
967 return self.__class__(self.type, self._mandatoryparams, |
2ec894582ea2
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
968 self._advisoryparams, self._data, self.mandatory) |
2ec894582ea2
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24743
diff
changeset
|
969 |
21604
c399bf961cb9
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
970 # methods used to defines the part content |
27879
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
971 @property |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
972 def data(self): |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
973 return self._data |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
974 |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
975 @data.setter |
52a4ad62b006
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Augie Fackler <augie@google.com>
parents:
27751
diff
changeset
|
976 def data(self, data): |
21604
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21603
diff
changeset
|
977 if self._generated is not None: |
21618
7568f5c1c801
bundle2: move exception classes into the error module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21617
diff
changeset
|
978 raise error.ReadOnlyPartError('part is being generated') |
21604
c399bf961cb9
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
979 self._data = data |
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parents:
21603
diff
changeset
|
980 |
21605
f9dabfceb259
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21604
diff
changeset
|
981 @property |
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21604
diff
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|
982 def mandatoryparams(self): |
f9dabfceb259
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parents:
21604
diff
changeset
|
983 # make it an immutable tuple to force people through ``addparam`` |
f9dabfceb259
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diff
changeset
|
984 return tuple(self._mandatoryparams) |
f9dabfceb259
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diff
changeset
|
985 |
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diff
changeset
|
986 @property |
f9dabfceb259
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21604
diff
changeset
|
987 def advisoryparams(self): |
f9dabfceb259
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parents:
21604
diff
changeset
|
988 # make it an immutable tuple to force people through ``addparam`` |
f9dabfceb259
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parents:
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diff
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|
989 return tuple(self._advisoryparams) |
f9dabfceb259
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parents:
21604
diff
changeset
|
990 |
f9dabfceb259
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21604
diff
changeset
|
991 def addparam(self, name, value='', mandatory=True): |
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992 """add a parameter to the part |
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993 |
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994 If 'mandatory' is set to True, the remote handler must claim support |
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995 for this parameter or the unbundling will be aborted. |
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996 |
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997 The 'name' and 'value' cannot exceed 255 bytes each. |
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998 """ |
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999 if self._generated is not None: |
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1000 raise error.ReadOnlyPartError('part is being generated') |
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1001 if name in self._seenparams: |
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1002 raise ValueError('duplicated params: %s' % name) |
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1003 self._seenparams.add(name) |
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1004 params = self._advisoryparams |
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1005 if mandatory: |
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1006 params = self._mandatoryparams |
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1007 params.append((name, value)) |
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1008 |
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1009 # methods used to generates the bundle2 stream |
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1010 def getchunks(self, ui): |
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1011 if self._generated is not None: |
31647 | 1012 raise error.ProgrammingError('part can only be consumed once') |
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1013 self._generated = False |
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1014 |
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1015 if ui.debugflag: |
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1016 msg = ['bundle2-output-part: "%s"' % self.type] |
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1017 if not self.mandatory: |
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1018 msg.append(' (advisory)') |
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1019 nbmp = len(self.mandatoryparams) |
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1020 nbap = len(self.advisoryparams) |
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1021 if nbmp or nbap: |
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1022 msg.append(' (params:') |
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1023 if nbmp: |
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1024 msg.append(' %i mandatory' % nbmp) |
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1025 if nbap: |
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1026 msg.append(' %i advisory' % nbmp) |
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1027 msg.append(')') |
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1028 if not self.data: |
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1029 msg.append(' empty payload') |
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1030 elif (util.safehasattr(self.data, 'next') |
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1031 or util.safehasattr(self.data, '__next__')): |
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1032 msg.append(' streamed payload') |
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1033 else: |
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1034 msg.append(' %i bytes payload' % len(self.data)) |
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1035 msg.append('\n') |
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1036 ui.debug(''.join(msg)) |
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1037 |
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1038 #### header |
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1039 if self.mandatory: |
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1040 parttype = self.type.upper() |
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1041 else: |
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1042 parttype = self.type.lower() |
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1043 outdebug(ui, 'part %s: "%s"' % (pycompat.bytestr(self.id), parttype)) |
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1044 ## parttype |
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1045 header = [_pack(_fparttypesize, len(parttype)), |
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1046 parttype, _pack(_fpartid, self.id), |
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1047 ] |
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1048 ## parameters |
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1049 # count |
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1050 manpar = self.mandatoryparams |
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1051 advpar = self.advisoryparams |
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1052 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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1053 # size |
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1054 parsizes = [] |
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1055 for key, value in manpar: |
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1056 parsizes.append(len(key)) |
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1057 parsizes.append(len(value)) |
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1058 for key, value in advpar: |
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1059 parsizes.append(len(key)) |
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1060 parsizes.append(len(value)) |
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1061 paramsizes = _pack(_makefpartparamsizes(len(parsizes) // 2), *parsizes) |
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1062 header.append(paramsizes) |
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1063 # key, value |
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1064 for key, value in manpar: |
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1065 header.append(key) |
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1066 header.append(value) |
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1067 for key, value in advpar: |
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1068 header.append(key) |
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1069 header.append(value) |
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1070 ## finalize header |
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1071 try: |
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1072 headerchunk = ''.join(header) |
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1073 except TypeError: |
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1074 raise TypeError(r'Found a non-bytes trying to ' |
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|
1075 r'build bundle part header: %r' % header) |
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1076 outdebug(ui, 'header chunk size: %i' % len(headerchunk)) |
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1077 yield _pack(_fpartheadersize, len(headerchunk)) |
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1078 yield headerchunk |
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1079 ## payload |
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1080 try: |
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|
1081 for chunk in self._payloadchunks(): |
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1082 outdebug(ui, 'payload chunk size: %i' % len(chunk)) |
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1083 yield _pack(_fpayloadsize, len(chunk)) |
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1084 yield chunk |
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1085 except GeneratorExit: |
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1086 # GeneratorExit means that nobody is listening for our |
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1087 # results anyway, so just bail quickly rather than trying |
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|
1088 # to produce an error part. |
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|
1089 ui.debug('bundle2-generatorexit\n') |
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|
1090 raise |
25660
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25641
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|
1091 except BaseException as exc: |
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|
1092 bexc = util.forcebytestr(exc) |
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|
1093 # backup exception data for later |
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|
1094 ui.debug('bundle2-input-stream-interrupt: encoding exception %s' |
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|
1095 % bexc) |
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|
1096 tb = sys.exc_info()[2] |
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|
1097 msg = 'unexpected error: %s' % bexc |
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|
1098 interpart = bundlepart('error:abort', [('message', msg)], |
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1099 mandatory=False) |
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1100 interpart.id = 0 |
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1101 yield _pack(_fpayloadsize, -1) |
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1102 for chunk in interpart.getchunks(ui=ui): |
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1103 yield chunk |
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1104 outdebug(ui, 'closing payload chunk') |
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1105 # abort current part payload |
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1106 yield _pack(_fpayloadsize, 0) |
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1107 pycompat.raisewithtb(exc, tb) |
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1108 # end of payload |
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1109 outdebug(ui, 'closing payload chunk') |
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1110 yield _pack(_fpayloadsize, 0) |
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1111 self._generated = True |
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1112 |
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1113 def _payloadchunks(self): |
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1114 """yield chunks of a the part payload |
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1115 |
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1116 Exists to handle the different methods to provide data to a part.""" |
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1117 # we only support fixed size data now. |
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1118 # This will be improved in the future. |
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1119 if (util.safehasattr(self.data, 'next') |
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1120 or util.safehasattr(self.data, '__next__')): |
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1121 buff = util.chunkbuffer(self.data) |
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1122 chunk = buff.read(preferedchunksize) |
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1123 while chunk: |
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1124 yield chunk |
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1125 chunk = buff.read(preferedchunksize) |
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1126 elif len(self.data): |
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1127 yield self.data |
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1128 |
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1129 |
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1130 flaginterrupt = -1 |
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1131 |
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1132 class interrupthandler(unpackermixin): |
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1133 """read one part and process it with restricted capability |
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1134 |
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1135 This allows to transmit exception raised on the producer size during part |
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1136 iteration while the consumer is reading a part. |
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1137 |
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1138 Part processed in this manner only have access to a ui object,""" |
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1139 |
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1140 def __init__(self, ui, fp): |
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1141 super(interrupthandler, self).__init__(fp) |
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1142 self.ui = ui |
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1143 |
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1144 def _readpartheader(self): |
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1145 """reads a part header size and return the bytes blob |
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1146 |
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1147 returns None if empty""" |
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1148 headersize = self._unpack(_fpartheadersize)[0] |
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1149 if headersize < 0: |
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1150 raise error.BundleValueError('negative part header size: %i' |
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1151 % headersize) |
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1152 indebug(self.ui, 'part header size: %i\n' % headersize) |
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1153 if headersize: |
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1154 return self._readexact(headersize) |
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1155 return None |
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1156 |
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1157 def __call__(self): |
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1158 |
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1159 self.ui.debug('bundle2-input-stream-interrupt:' |
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1160 ' opening out of band context\n') |
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1161 indebug(self.ui, 'bundle2 stream interruption, looking for a part.') |
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1162 headerblock = self._readpartheader() |
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1163 if headerblock is None: |
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1164 indebug(self.ui, 'no part found during interruption.') |
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1165 return |
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1166 part = unbundlepart(self.ui, headerblock, self._fp) |
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1167 op = interruptoperation(self.ui) |
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1168 hardabort = False |
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1169 try: |
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1170 _processpart(op, part) |
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1171 except (SystemExit, KeyboardInterrupt): |
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1172 hardabort = True |
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1173 raise |
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1174 finally: |
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1175 if not hardabort: |
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1176 part.consume() |
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1177 self.ui.debug('bundle2-input-stream-interrupt:' |
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1178 ' closing out of band context\n') |
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1179 |
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1180 class interruptoperation(object): |
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1181 """A limited operation to be use by part handler during interruption |
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1182 |
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1183 It only have access to an ui object. |
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1184 """ |
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1185 |
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1186 def __init__(self, ui): |
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1187 self.ui = ui |
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1188 self.reply = None |
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1189 self.captureoutput = False |
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1190 |
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1191 @property |
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1192 def repo(self): |
31647 | 1193 raise error.ProgrammingError('no repo access from stream interruption') |
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1194 |
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1195 def gettransaction(self): |
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1196 raise TransactionUnavailable('no repo access from stream interruption') |
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1197 |
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1198 def decodepayloadchunks(ui, fh): |
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1199 """Reads bundle2 part payload data into chunks. |
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1200 |
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1201 Part payload data consists of framed chunks. This function takes |
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1202 a file handle and emits those chunks. |
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1203 """ |
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1204 dolog = ui.configbool('devel', 'bundle2.debug') |
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1205 debug = ui.debug |
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1206 |
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1207 headerstruct = struct.Struct(_fpayloadsize) |
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1208 headersize = headerstruct.size |
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1209 unpack = headerstruct.unpack |
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1210 |
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1211 readexactly = changegroup.readexactly |
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1212 read = fh.read |
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1213 |
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1214 chunksize = unpack(readexactly(fh, headersize))[0] |
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1215 indebug(ui, 'payload chunk size: %i' % chunksize) |
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1216 |
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1217 # changegroup.readexactly() is inlined below for performance. |
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1218 while chunksize: |
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1219 if chunksize >= 0: |
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1220 s = read(chunksize) |
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1221 if len(s) < chunksize: |
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1222 raise error.Abort(_('stream ended unexpectedly ' |
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1223 ' (got %d bytes, expected %d)') % |
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1224 (len(s), chunksize)) |
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1225 |
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1226 yield s |
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1227 elif chunksize == flaginterrupt: |
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1228 # Interrupt "signal" detected. The regular stream is interrupted |
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1229 # and a bundle2 part follows. Consume it. |
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1230 interrupthandler(ui, fh)() |
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1231 else: |
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1232 raise error.BundleValueError( |
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1233 'negative payload chunk size: %s' % chunksize) |
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1234 |
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1235 s = read(headersize) |
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1236 if len(s) < headersize: |
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1237 raise error.Abort(_('stream ended unexpectedly ' |
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1238 ' (got %d bytes, expected %d)') % |
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1239 (len(s), chunksize)) |
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1240 |
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1241 chunksize = unpack(s)[0] |
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1242 |
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1243 # indebug() inlined for performance. |
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1244 if dolog: |
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1245 debug('bundle2-input: payload chunk size: %i\n' % chunksize) |
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1246 |
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1247 class unbundlepart(unpackermixin): |
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1248 """a bundle part read from a bundle""" |
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1249 |
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1250 def __init__(self, ui, header, fp): |
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1251 super(unbundlepart, self).__init__(fp) |
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1252 self._seekable = (util.safehasattr(fp, 'seek') and |
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1253 util.safehasattr(fp, 'tell')) |
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1254 self.ui = ui |
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1255 # unbundle state attr |
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1256 self._headerdata = header |
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1257 self._headeroffset = 0 |
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1258 self._initialized = False |
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1259 self.consumed = False |
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1260 # part data |
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1261 self.id = None |
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1262 self.type = None |
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1263 self.mandatoryparams = None |
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1264 self.advisoryparams = None |
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1265 self.params = None |
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1266 self.mandatorykeys = () |
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1267 self._readheader() |
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1268 self._mandatory = None |
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1269 self._pos = 0 |
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1270 |
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1271 def _fromheader(self, size): |
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1272 """return the next <size> byte from the header""" |
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1273 offset = self._headeroffset |
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1274 data = self._headerdata[offset:(offset + size)] |
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1275 self._headeroffset = offset + size |
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1276 return data |
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1277 |
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1278 def _unpackheader(self, format): |
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1279 """read given format from header |
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1280 |
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1281 This automatically compute the size of the format to read.""" |
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1282 data = self._fromheader(struct.calcsize(format)) |
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1283 return _unpack(format, data) |
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1284 |
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1285 def _initparams(self, mandatoryparams, advisoryparams): |
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1286 """internal function to setup all logic related parameters""" |
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1287 # make it read only to prevent people touching it by mistake. |
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1288 self.mandatoryparams = tuple(mandatoryparams) |
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1289 self.advisoryparams = tuple(advisoryparams) |
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1290 # user friendly UI |
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1291 self.params = util.sortdict(self.mandatoryparams) |
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1292 self.params.update(self.advisoryparams) |
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1293 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1294 |
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1295 def _readheader(self): |
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1296 """read the header and setup the object""" |
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1297 typesize = self._unpackheader(_fparttypesize)[0] |
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1298 self.type = self._fromheader(typesize) |
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1299 indebug(self.ui, 'part type: "%s"' % self.type) |
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1300 self.id = self._unpackheader(_fpartid)[0] |
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1301 indebug(self.ui, 'part id: "%s"' % pycompat.bytestr(self.id)) |
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1302 # extract mandatory bit from type |
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1303 self.mandatory = (self.type != self.type.lower()) |
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1304 self.type = self.type.lower() |
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1305 ## reading parameters |
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1306 # param count |
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1307 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1308 indebug(self.ui, 'part parameters: %i' % (mancount + advcount)) |
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1309 # param size |
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1310 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1311 paramsizes = self._unpackheader(fparamsizes) |
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1312 # make it a list of couple again |
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1313 paramsizes = list(zip(paramsizes[::2], paramsizes[1::2])) |
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1314 # split mandatory from advisory |
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1315 mansizes = paramsizes[:mancount] |
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1316 advsizes = paramsizes[mancount:] |
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1317 # retrieve param value |
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1318 manparams = [] |
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1319 for key, value in mansizes: |
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1320 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1321 advparams = [] |
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1322 for key, value in advsizes: |
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1323 advparams.append((self._fromheader(key), self._fromheader(value))) |
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1324 self._initparams(manparams, advparams) |
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1325 ## part payload |
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1326 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1327 # we read the data, tell it |
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1328 self._initialized = True |
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1329 |
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1330 def _payloadchunks(self): |
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1331 """Generator of decoded chunks in the payload.""" |
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1332 return decodepayloadchunks(self.ui, self._fp) |
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1333 |
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1334 def consume(self): |
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1335 """Read the part payload until completion. |
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1336 |
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1337 By consuming the part data, the underlying stream read offset will |
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1338 be advanced to the next part (or end of stream). |
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1339 """ |
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1340 if self.consumed: |
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1341 return |
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1342 |
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1343 chunk = self.read(32768) |
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1344 while chunk: |
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1345 self._pos += len(chunk) |
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1346 chunk = self.read(32768) |
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1347 |
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1348 def read(self, size=None): |
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1349 """read payload data""" |
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1350 if not self._initialized: |
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1351 self._readheader() |
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1352 if size is None: |
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1353 data = self._payloadstream.read() |
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1354 else: |
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1355 data = self._payloadstream.read(size) |
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1356 self._pos += len(data) |
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1357 if size is None or len(data) < size: |
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1358 if not self.consumed and self._pos: |
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1359 self.ui.debug('bundle2-input-part: total payload size %i\n' |
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1360 % self._pos) |
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1361 self.consumed = True |
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1362 return data |
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1363 |
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1364 class seekableunbundlepart(unbundlepart): |
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1365 """A bundle2 part in a bundle that is seekable. |
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1366 |
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1367 Regular ``unbundlepart`` instances can only be read once. This class |
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1368 extends ``unbundlepart`` to enable bi-directional seeking within the |
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1369 part. |
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1370 |
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1371 Bundle2 part data consists of framed chunks. Offsets when seeking |
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1372 refer to the decoded data, not the offsets in the underlying bundle2 |
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1373 stream. |
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1374 |
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1375 To facilitate quickly seeking within the decoded data, instances of this |
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1376 class maintain a mapping between offsets in the underlying stream and |
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1377 the decoded payload. This mapping will consume memory in proportion |
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1378 to the number of chunks within the payload (which almost certainly |
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1379 increases in proportion with the size of the part). |
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1380 """ |
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1381 def __init__(self, ui, header, fp): |
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1382 # (payload, file) offsets for chunk starts. |
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1383 self._chunkindex = [] |
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1384 |
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1385 super(seekableunbundlepart, self).__init__(ui, header, fp) |
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1386 |
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1387 def _payloadchunks(self, chunknum=0): |
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1388 '''seek to specified chunk and start yielding data''' |
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1389 if len(self._chunkindex) == 0: |
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1390 assert chunknum == 0, 'Must start with chunk 0' |
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1391 self._chunkindex.append((0, self._tellfp())) |
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1392 else: |
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1393 assert chunknum < len(self._chunkindex), \ |
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1394 'Unknown chunk %d' % chunknum |
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1395 self._seekfp(self._chunkindex[chunknum][1]) |
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1396 |
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1397 pos = self._chunkindex[chunknum][0] |
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1398 |
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1399 for chunk in decodepayloadchunks(self.ui, self._fp): |
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1400 chunknum += 1 |
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1401 pos += len(chunk) |
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1402 if chunknum == len(self._chunkindex): |
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1403 self._chunkindex.append((pos, self._tellfp())) |
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1404 |
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1405 yield chunk |
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1406 |
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1407 def _findchunk(self, pos): |
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1408 '''for a given payload position, return a chunk number and offset''' |
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1409 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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1410 if ppos == pos: |
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1411 return chunk, 0 |
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1412 elif ppos > pos: |
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1413 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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1414 raise ValueError('Unknown chunk') |
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1415 |
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1416 def tell(self): |
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1417 return self._pos |
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1418 |
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1419 def seek(self, offset, whence=os.SEEK_SET): |
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1420 if whence == os.SEEK_SET: |
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1421 newpos = offset |
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1422 elif whence == os.SEEK_CUR: |
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1423 newpos = self._pos + offset |
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1424 elif whence == os.SEEK_END: |
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1425 if not self.consumed: |
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1426 # Can't use self.consume() here because it advances self._pos. |
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1427 chunk = self.read(32768) |
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1428 while chunk: |
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1429 chunk = self.read(32768) |
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1430 newpos = self._chunkindex[-1][0] - offset |
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1431 else: |
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1432 raise ValueError('Unknown whence value: %r' % (whence,)) |
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1433 |
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1434 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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1435 # Can't use self.consume() here because it advances self._pos. |
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changeset
|
1436 chunk = self.read(32768) |
699b2a759319
bundle2: avoid unbound read when seeking
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35119
diff
changeset
|
1437 while chunk: |
699b2a759319
bundle2: avoid unbound read when seeking
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35119
diff
changeset
|
1438 chunk = self.read(32668) |
699b2a759319
bundle2: avoid unbound read when seeking
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35119
diff
changeset
|
1439 |
24037
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1440 if not 0 <= newpos <= self._chunkindex[-1][0]: |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1441 raise ValueError('Offset out of range') |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1442 |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1443 if self._pos != newpos: |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1444 chunk, internaloffset = self._findchunk(newpos) |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1445 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1446 adjust = self.read(internaloffset) |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1447 if len(adjust) != internaloffset: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1448 raise error.Abort(_('Seek failed\n')) |
24037
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1449 self._pos = newpos |
f0b498cfc5c8
bundle2.unbundlepart: implement seek()
Eric Sumner <ericsumner@fb.com>
parents:
24036
diff
changeset
|
1450 |
31889
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1451 def _seekfp(self, offset, whence=0): |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1452 """move the underlying file pointer |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1453 |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1454 This method is meant for internal usage by the bundle2 protocol only. |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1455 They directly manipulate the low level stream including bundle2 level |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1456 instruction. |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1457 |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1458 Do not use it to implement higher-level logic or methods.""" |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1459 if self._seekable: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1460 return self._fp.seek(offset, whence) |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1461 else: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1462 raise NotImplementedError(_('File pointer is not seekable')) |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1463 |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1464 def _tellfp(self): |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1465 """return the file offset, or None if file is not seekable |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1466 |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1467 This method is meant for internal usage by the bundle2 protocol only. |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1468 They directly manipulate the low level stream including bundle2 level |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1469 instruction. |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1470 |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1471 Do not use it to implement higher-level logic or methods.""" |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1472 if self._seekable: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1473 try: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1474 return self._fp.tell() |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1475 except IOError as e: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1476 if e.errno == errno.ESPIPE: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1477 self._seekable = False |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1478 else: |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1479 raise |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1480 return None |
a02e773008f5
bundle2: move 'seek' and 'tell' methods off the unpackermixin class
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31863
diff
changeset
|
1481 |
25317
5a5b7046d00e
bundle2: add an informative comment to the capability dict
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25315
diff
changeset
|
1482 # These are only the static capabilities. |
5a5b7046d00e
bundle2: add an informative comment to the capability dict
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25315
diff
changeset
|
1483 # Check the 'getrepocaps' function for the rest. |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1484 capabilities = {'HG20': (), |
35259
ad5f2b923b0d
push: include a 'check:bookmarks' part when possible
Boris Feld <boris.feld@octobus.net>
parents:
35258
diff
changeset
|
1485 'bookmarks': (), |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1486 'error': ('abort', 'unsupportedcontent', 'pushraced', |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1487 'pushkey'), |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1488 'listkeys': (), |
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1489 'pushkey': (), |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1490 'digests': tuple(sorted(util.DIGESTS.keys())), |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1491 'remote-changegroup': ('http', 'https'), |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
1492 'hgtagsfnodes': (), |
34322
10e162bb9bf5
pull: use 'phase-heads' to retrieve phase information
Boris Feld <boris.feld@octobus.net>
parents:
34321
diff
changeset
|
1493 'phases': ('heads',), |
35763
7eedbd5d4880
streamclone: add support for bundle2 based stream clone
Boris Feld <boris.feld@octobus.net>
parents:
35758
diff
changeset
|
1494 'stream': ('v2',), |
22341
2d16b39601b5
obsmarker: move bundle2caps from the localrepo class to the bundle2 module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22340
diff
changeset
|
1495 } |
2d16b39601b5
obsmarker: move bundle2caps from the localrepo class to the bundle2 module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22340
diff
changeset
|
1496 |
35783
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1497 def getrepocaps(repo, allowpushback=False, role=None): |
22342
262c5cc126c1
bundle2: introduce a `getrepocaps` to retrieve the bundle2 caps of a repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22341
diff
changeset
|
1498 """return the bundle2 capabilities for a given repo |
262c5cc126c1
bundle2: introduce a `getrepocaps` to retrieve the bundle2 caps of a repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22341
diff
changeset
|
1499 |
22343
76677a2c1cfd
bundle2: advertise the obsmarker part in bundle2 capabilities
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
1500 Exists to allow extensions (like evolution) to mutate the capabilities. |
35783
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1501 |
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1502 The returned value is used for servers advertising their capabilities as |
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1503 well as clients advertising their capabilities to servers as part of |
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1504 bundle2 requests. The ``role`` argument specifies which is which. |
22342
262c5cc126c1
bundle2: introduce a `getrepocaps` to retrieve the bundle2 caps of a repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22341
diff
changeset
|
1505 """ |
35783
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1506 if role not in ('client', 'server'): |
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1507 raise error.ProgrammingError('role argument must be client or server') |
c97639ad6874
bundle2: specify what capabilities will be used for
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35763
diff
changeset
|
1508 |
22343
76677a2c1cfd
bundle2: advertise the obsmarker part in bundle2 capabilities
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
1509 caps = capabilities.copy() |
27953
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27879
diff
changeset
|
1510 caps['changegroup'] = tuple(sorted( |
88609cfa3745
changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27879
diff
changeset
|
1511 changegroup.supportedincomingversions(repo))) |
22953
b1d694d3975e
obsolete: add exchange option
Durham Goode <durham@fb.com>
parents:
22661
diff
changeset
|
1512 if obsolete.isenabled(repo, obsolete.exchangeopt): |
22343
76677a2c1cfd
bundle2: advertise the obsmarker part in bundle2 capabilities
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
1513 supportedformat = tuple('V%i' % v for v in obsolete.formats) |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1514 caps['obsmarkers'] = supportedformat |
23439
743736fc7c41
bundle2-push: provide transaction to reply unbundler
Eric Sumner <ericsumner@fb.com>
parents:
23438
diff
changeset
|
1515 if allowpushback: |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1516 caps['pushback'] = () |
33222
593ad8df9dd2
configitems: register the 'server.concurrent-push-mode' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33159
diff
changeset
|
1517 cpmode = repo.ui.config('server', 'concurrent-push-mode') |
32892
a7851519ea02
check-concurrency: expose the feature as 'concurrent-push-mode'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32709
diff
changeset
|
1518 if cpmode == 'check-related': |
32709
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32516
diff
changeset
|
1519 caps['checkheads'] = ('related',) |
34322
10e162bb9bf5
pull: use 'phase-heads' to retrieve phase information
Boris Feld <boris.feld@octobus.net>
parents:
34321
diff
changeset
|
1520 if 'phases' in repo.ui.configlist('devel', 'legacy.exchange'): |
10e162bb9bf5
pull: use 'phase-heads' to retrieve phase information
Boris Feld <boris.feld@octobus.net>
parents:
34321
diff
changeset
|
1521 caps.pop('phases') |
35790
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1522 |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1523 # Don't advertise stream clone support in server mode if not configured. |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1524 if role == 'server': |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1525 streamsupported = repo.ui.configbool('server', 'uncompressed', |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1526 untrusted=True) |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1527 featuresupported = repo.ui.configbool('experimental', 'bundle2.stream') |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1528 |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1529 if not streamsupported or not featuresupported: |
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1530 caps.pop('stream') |
35792
1d118f9f4f57
bundle2: always advertise client support for stream parts
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35790
diff
changeset
|
1531 # Else always advertise support on client, because payload support |
1d118f9f4f57
bundle2: always advertise client support for stream parts
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35790
diff
changeset
|
1532 # should always be advertised. |
35790
c1b9eb15a51c
bundle2: don't advertise stream bundle2 capability when feature disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35788
diff
changeset
|
1533 |
22343
76677a2c1cfd
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
1534 return caps |
22342
262c5cc126c1
bundle2: introduce a `getrepocaps` to retrieve the bundle2 caps of a repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22341
diff
changeset
|
1535 |
21644
17755dd8c509
bundle2: introduce a bundle2caps function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21628
diff
changeset
|
1536 def bundle2caps(remote): |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23067
diff
changeset
|
1537 """return the bundle capabilities of a peer as dict""" |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1538 raw = remote.capable('bundle2') |
21644
17755dd8c509
bundle2: introduce a bundle2caps function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21628
diff
changeset
|
1539 if not raw and raw != '': |
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1540 return {} |
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timeless <timeless@mozdev.org>
parents:
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diff
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|
1541 capsblob = urlreq.unquote(remote.capable('bundle2')) |
21644
17755dd8c509
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|
1542 return decodecaps(capsblob) |
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diff
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|
1543 |
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|
1544 def obsmarkersversion(caps): |
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1545 """extract the list of supported obsmarkers versions from a bundle2caps dict |
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1546 """ |
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|
1547 obscaps = caps.get('obsmarkers', ()) |
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1548 return [int(c[1:]) for c in obscaps if c.startswith('V')] |
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1549 |
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1550 def writenewbundle(ui, repo, source, filename, bundletype, outgoing, opts, |
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1551 vfs=None, compression=None, compopts=None): |
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1552 if bundletype.startswith('HG10'): |
34101
5ede882c249c
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parents:
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|
1553 cg = changegroup.makechangegroup(repo, outgoing, '01', source) |
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1554 return writebundle(ui, cg, filename, bundletype, vfs=vfs, |
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1555 compression=compression, compopts=compopts) |
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1556 elif not bundletype.startswith('HG20'): |
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1557 raise error.ProgrammingError('unknown bundle type: %s' % bundletype) |
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1558 |
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|
1559 caps = {} |
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1560 if 'obsolescence' in opts: |
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|
1561 caps['obsmarkers'] = ('V1',) |
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1562 bundle = bundle20(ui, caps) |
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1563 bundle.setcompression(compression, compopts) |
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1564 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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1565 chunkiter = bundle.getchunks() |
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1566 |
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1567 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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|
1568 |
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1569 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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1570 # We should eventually reconcile this logic with the one behind |
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1571 # 'exchange.getbundle2partsgenerator'. |
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1572 # |
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1573 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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1574 # different right now. So we keep them separated for now for the sake of |
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1575 # simplicity. |
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1576 |
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1577 # we always want a changegroup in such bundle |
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1578 cgversion = opts.get('cg.version') |
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1579 if cgversion is None: |
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1580 cgversion = changegroup.safeversion(repo) |
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1581 cg = changegroup.makechangegroup(repo, outgoing, cgversion, source) |
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1582 part = bundler.newpart('changegroup', data=cg.getchunks()) |
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1583 part.addparam('version', cg.version) |
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1584 if 'clcount' in cg.extras: |
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parents:
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diff
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|
1585 part.addparam('nbchanges', '%d' % cg.extras['clcount'], |
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1586 mandatory=False) |
33408
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|
1587 if opts.get('phases') and repo.revs('%ln and secret()', |
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1588 outgoing.missingheads): |
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|
1589 part.addparam('targetphase', '%d' % phases.secret, mandatory=False) |
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1590 |
32223
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|
1591 addparttagsfnodescache(repo, bundler, outgoing) |
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1592 |
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1593 if opts.get('obsolescence', False): |
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1594 obsmarkers = repo.obsstore.relevantmarkers(outgoing.missing) |
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1595 buildobsmarkerspart(bundler, obsmarkers) |
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|
1596 |
33031
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Martin von Zweigbergk <martinvonz@google.com>
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|
1597 if opts.get('phases', False): |
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|
1598 headsbyphase = phases.subsetphaseheads(repo, outgoing.missing) |
34319
5779d096a696
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|
1599 phasedata = phases.binaryencode(headsbyphase) |
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1600 bundler.newpart('phase-heads', data=phasedata) |
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1601 |
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1602 def addparttagsfnodescache(repo, bundler, outgoing): |
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1603 # we include the tags fnode cache for the bundle changeset |
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1604 # (as an optional parts) |
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1605 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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1606 chunks = [] |
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1607 |
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1608 # .hgtags fnodes are only relevant for head changesets. While we could |
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1609 # transfer values for all known nodes, there will likely be little to |
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1610 # no benefit. |
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1611 # |
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1612 # We don't bother using a generator to produce output data because |
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1613 # a) we only have 40 bytes per head and even esoteric numbers of heads |
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1614 # consume little memory (1M heads is 40MB) b) we don't want to send the |
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1615 # part if we don't have entries and knowing if we have entries requires |
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1616 # cache lookups. |
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1617 for node in outgoing.missingheads: |
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1618 # Don't compute missing, as this may slow down serving. |
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1619 fnode = cache.getfnode(node, computemissing=False) |
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1620 if fnode is not None: |
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1621 chunks.extend([node, fnode]) |
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1622 |
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1623 if chunks: |
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1624 bundler.newpart('hgtagsfnodes', data=''.join(chunks)) |
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1625 |
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1626 def buildobsmarkerspart(bundler, markers): |
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1627 """add an obsmarker part to the bundler with <markers> |
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1628 |
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1629 No part is created if markers is empty. |
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1630 Raises ValueError if the bundler doesn't support any known obsmarker format. |
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1631 """ |
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1632 if not markers: |
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1633 return None |
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1634 |
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1635 remoteversions = obsmarkersversion(bundler.capabilities) |
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1636 version = obsolete.commonversion(remoteversions) |
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1637 if version is None: |
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1638 raise ValueError('bundler does not support common obsmarker format') |
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1639 stream = obsolete.encodemarkers(markers, True, version=version) |
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32387
diff
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|
1640 return bundler.newpart('obsmarkers', data=stream) |
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|
1641 |
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|
1642 def writebundle(ui, cg, filename, bundletype, vfs=None, compression=None, |
511a4bf52754
bundle2: allow compression options to be passed to compressor
Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1643 compopts=None): |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1644 """Write a bundle file and return its filename. |
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|
1645 |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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diff
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|
1646 Existing files will not be overwritten. |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1647 If no filename is specified, a temporary file is created. |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1648 bz2 compression can be turned off. |
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parents:
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|
1649 The bundle file will be deleted in case of errors. |
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|
1650 """ |
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|
1651 |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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diff
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|
1652 if bundletype == "HG20": |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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parents:
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diff
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|
1653 bundle = bundle20(ui) |
30757
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bundle2: allow compression options to be passed to compressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1654 bundle.setcompression(compression, compopts) |
28666
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|
1655 part = bundle.newpart('changegroup', data=cg.getchunks()) |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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diff
changeset
|
1656 part.addparam('version', cg.version) |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29591
diff
changeset
|
1657 if 'clcount' in cg.extras: |
34221
8e0358024a36
bundles: turn nbchanges int into a bytestr using pycompat.bytestr
Augie Fackler <raf@durin42.com>
parents:
34152
diff
changeset
|
1658 part.addparam('nbchanges', '%d' % cg.extras['clcount'], |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1659 mandatory=False) |
28666
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1660 chunkiter = bundle.getchunks() |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1661 else: |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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parents:
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diff
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|
1662 # compression argument is only for the bundle2 case |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1663 assert compression is None |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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diff
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|
1664 if cg.version != '01': |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
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27953
diff
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|
1665 raise error.Abort(_('old bundle types only supports v1 ' |
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diff
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|
1666 'changegroups')) |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1667 header, comp = bundletypes[bundletype] |
30351
f81002f736d7
bundle2: use new compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30177
diff
changeset
|
1668 if comp not in util.compengines.supportedbundletypes: |
28666
ae53ecc47414
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diff
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|
1669 raise error.Abort(_('unknown stream compression type: %s') |
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|
1670 % comp) |
30351
f81002f736d7
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1671 compengine = util.compengines.forbundletype(comp) |
28666
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|
1672 def chunkiter(): |
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|
1673 yield header |
30757
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1674 for chunk in compengine.compressstream(cg.getchunks(), compopts): |
30357
5925bda42dbd
bundle2: use compressstream compression engine API
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30353
diff
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|
1675 yield chunk |
28666
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1676 chunkiter = chunkiter() |
ae53ecc47414
bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1677 |
ae53ecc47414
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|
1678 # parse the changegroup data, otherwise we will block |
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Martin von Zweigbergk <martinvonz@google.com>
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|
1679 # in case of sshrepo because we don't know the end of the stream |
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|
1680 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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|
1681 |
33037
d765ad56081f
bundle: make combinechangegroupresults() take a bundleoperation
Martin von Zweigbergk <martinvonz@google.com>
parents:
33036
diff
changeset
|
1682 def combinechangegroupresults(op): |
33036
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
33035
diff
changeset
|
1683 """logic to combine 0 or more addchangegroup results into one""" |
33037
d765ad56081f
bundle: make combinechangegroupresults() take a bundleoperation
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1684 results = [r.get('return', 0) |
d765ad56081f
bundle: make combinechangegroupresults() take a bundleoperation
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1685 for r in op.records['changegroup']] |
33036
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1686 changedheads = 0 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
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33035
diff
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|
1687 result = 1 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
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33035
diff
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|
1688 for ret in results: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1689 # If any changegroup result is 0, return 0 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1690 if ret == 0: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1691 result = 0 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1692 break |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
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33035
diff
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|
1693 if ret < -1: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
33035
diff
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|
1694 changedheads += ret + 1 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1695 elif ret > 1: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1696 changedheads += ret - 1 |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1697 if changedheads > 0: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1698 result = 1 + changedheads |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1699 elif changedheads < 0: |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1700 result = -1 + changedheads |
52c7060b707a
bundle: move combineresults() from changegroup to bundle2
Martin von Zweigbergk <martinvonz@google.com>
parents:
33035
diff
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|
1701 return result |
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bundle: move combineresults() from changegroup to bundle2
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parents:
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diff
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|
1702 |
33407
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Boris Feld <boris.feld@octobus.net>
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33252
diff
changeset
|
1703 @parthandler('changegroup', ('version', 'nbchanges', 'treemanifest', |
39d4e5a66f5a
bundle2: support the 'targetphase' parameter for the changegroup part
Boris Feld <boris.feld@octobus.net>
parents:
33252
diff
changeset
|
1704 'targetphase')) |
20998
93a3c5b58635
bundle2: use reply part to return result of addchangegroup
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
1705 def handlechangegroup(op, inpart): |
20950
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
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diff
changeset
|
1706 """apply a changegroup part on the repo |
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|
1707 |
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diff
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|
1708 This is a very early implementation that will massive rework before being |
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bundle2: first crude version of bundling changeset with bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1709 inflicted to any end-user. |
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1710 """ |
32930
af31d531dda0
changegroup: let callers pass in transaction to apply() (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
32892
diff
changeset
|
1711 tr = op.gettransaction() |
23170
02e8f9b60052
bundle2: support a "version" argument in `changegroup` part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23169
diff
changeset
|
1712 unpackerversion = inpart.params.get('version', '01') |
02e8f9b60052
bundle2: support a "version" argument in `changegroup` part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23169
diff
changeset
|
1713 # We should raise an appropriate exception here |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27734
diff
changeset
|
1714 cg = changegroup.getunbundler(unpackerversion, inpart, None) |
23001
4df9b5e62f70
bundle2: add a comment about addchangegroup source and url
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1715 # the source and url passed here are overwritten by the one contained in |
4df9b5e62f70
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1716 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
25518
ca656f3dffd7
bundle2: provide number of changesets information to 'addchangegroup'
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diff
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|
1717 nbchangesets = None |
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bundle2: provide number of changesets information to 'addchangegroup'
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
1718 if 'nbchanges' in inpart.params: |
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
1719 nbchangesets = int(inpart.params.get('nbchanges')) |
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|
1720 if ('treemanifest' in inpart.params and |
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|
1721 'treemanifest' not in op.repo.requirements): |
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|
1722 if len(op.repo.changelog) != 0: |
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|
1723 raise error.Abort(_( |
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|
1724 "bundle contains tree manifests, but local repo is " |
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|
1725 "non-empty and does not use tree manifests")) |
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|
1726 op.repo.requirements.add('treemanifest') |
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Martin von Zweigbergk <martinvonz@google.com>
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changeset
|
1727 op.repo._applyopenerreqs() |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1728 op.repo._writerequirements() |
33407
39d4e5a66f5a
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Boris Feld <boris.feld@octobus.net>
parents:
33252
diff
changeset
|
1729 extrakwargs = {} |
39d4e5a66f5a
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Boris Feld <boris.feld@octobus.net>
parents:
33252
diff
changeset
|
1730 targetphase = inpart.params.get('targetphase') |
39d4e5a66f5a
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Boris Feld <boris.feld@octobus.net>
parents:
33252
diff
changeset
|
1731 if targetphase is not None: |
36116
b587a889b97e
py3: use raw string for key in **kwargs
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35813
diff
changeset
|
1732 extrakwargs[r'targetphase'] = int(targetphase) |
33038
f0efd2bffe1e
bundle: extract _processchangegroup() method
Martin von Zweigbergk <martinvonz@google.com>
parents:
33037
diff
changeset
|
1733 ret = _processchangegroup(op, cg, tr, 'bundle2', 'bundle2', |
33407
39d4e5a66f5a
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diff
changeset
|
1734 expectedtotal=nbchangesets, **extrakwargs) |
20998
93a3c5b58635
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20997
diff
changeset
|
1735 if op.reply is not None: |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23067
diff
changeset
|
1736 # This is definitely not the final form of this |
20998
93a3c5b58635
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1737 # return. But one need to start somewhere. |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1738 part = op.reply.newpart('reply:changegroup', mandatory=False) |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
1739 part.addparam( |
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
1740 'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False) |
21606
e55888447958
bundle2: update part creators to ``addparam`` when relevant
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21605
diff
changeset
|
1741 part.addparam('return', '%i' % ret, mandatory=False) |
21019
3dc09f831a2e
bundle2: lazy unbundle of part payload
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21016
diff
changeset
|
1742 assert not inpart.read() |
20950
c7ceae0faf69
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Pierre-Yves David <pierre-yves.david@fb.com>
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|
1743 |
23029
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
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1744 _remotechangegroupparams = tuple(['url', 'size', 'digests'] + |
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1745 ['digest:%s' % k for k in util.DIGESTS.keys()]) |
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1746 @parthandler('remote-changegroup', _remotechangegroupparams) |
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1747 def handleremotechangegroup(op, inpart): |
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1748 """apply a bundle10 on the repo, given an url and validation information |
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1749 |
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1750 All the information about the remote bundle to import are given as |
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1751 parameters. The parameters include: |
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1752 - url: the url to the bundle10. |
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1753 - size: the bundle10 file size. It is used to validate what was |
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1754 retrieved by the client matches the server knowledge about the bundle. |
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1755 - digests: a space separated list of the digest types provided as |
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1756 parameters. |
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1757 - digest:<digest-type>: the hexadecimal representation of the digest with |
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1758 that name. Like the size, it is used to validate what was retrieved by |
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1759 the client matches what the server knows about the bundle. |
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1760 |
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1761 When multiple digest types are given, all of them are checked. |
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1762 """ |
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1763 try: |
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1764 raw_url = inpart.params['url'] |
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1765 except KeyError: |
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1766 raise error.Abort(_('remote-changegroup: missing "%s" param') % 'url') |
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1767 parsed_url = util.url(raw_url) |
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1768 if parsed_url.scheme not in capabilities['remote-changegroup']: |
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1769 raise error.Abort(_('remote-changegroup does not support %s urls') % |
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1770 parsed_url.scheme) |
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1771 |
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1772 try: |
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1773 size = int(inpart.params['size']) |
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1774 except ValueError: |
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1775 raise error.Abort(_('remote-changegroup: invalid value for param "%s"') |
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1776 % 'size') |
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1777 except KeyError: |
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1778 raise error.Abort(_('remote-changegroup: missing "%s" param') % 'size') |
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1779 |
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1780 digests = {} |
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1781 for typ in inpart.params.get('digests', '').split(): |
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1782 param = 'digest:%s' % typ |
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1783 try: |
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1784 value = inpart.params[param] |
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1785 except KeyError: |
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1786 raise error.Abort(_('remote-changegroup: missing "%s" param') % |
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1787 param) |
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1788 digests[typ] = value |
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1789 |
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1790 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
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1791 |
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1792 tr = op.gettransaction() |
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1793 from . import exchange |
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1794 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
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1795 if not isinstance(cg, changegroup.cg1unpacker): |
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1796 raise error.Abort(_('%s: not a bundle version 1.0') % |
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1797 util.hidepassword(raw_url)) |
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1798 ret = _processchangegroup(op, cg, tr, 'bundle2', 'bundle2') |
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1799 if op.reply is not None: |
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1800 # This is definitely not the final form of this |
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1801 # return. But one need to start somewhere. |
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1802 part = op.reply.newpart('reply:changegroup') |
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1803 part.addparam( |
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1804 'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False) |
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1805 part.addparam('return', '%i' % ret, mandatory=False) |
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1806 try: |
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1807 real_part.validate() |
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1808 except error.Abort as e: |
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1809 raise error.Abort(_('bundle at %s is corrupted:\n%s') % |
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1810 (util.hidepassword(raw_url), str(e))) |
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1811 assert not inpart.read() |
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1812 |
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1813 @parthandler('reply:changegroup', ('return', 'in-reply-to')) |
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1814 def handlereplychangegroup(op, inpart): |
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1815 ret = int(inpart.params['return']) |
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1816 replyto = int(inpart.params['in-reply-to']) |
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1817 op.records.add('changegroup', {'return': ret}, replyto) |
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1818 |
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1819 @parthandler('check:bookmarks') |
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1820 def handlecheckbookmarks(op, inpart): |
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1821 """check location of bookmarks |
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1822 |
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1823 This part is to be used to detect push race regarding bookmark, it |
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1824 contains binary encoded (bookmark, node) tuple. If the local state does |
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1825 not marks the one in the part, a PushRaced exception is raised |
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1826 """ |
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1827 bookdata = bookmarks.binarydecode(inpart) |
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1828 |
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1829 msgstandard = ('repository changed while pushing - please try again ' |
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1830 '(bookmark "%s" move from %s to %s)') |
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1831 msgmissing = ('repository changed while pushing - please try again ' |
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1832 '(bookmark "%s" is missing, expected %s)') |
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1833 msgexist = ('repository changed while pushing - please try again ' |
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1834 '(bookmark "%s" set on %s, expected missing)') |
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1835 for book, node in bookdata: |
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1836 currentnode = op.repo._bookmarks.get(book) |
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1837 if currentnode != node: |
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1838 if node is None: |
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1839 finalmsg = msgexist % (book, nodemod.short(currentnode)) |
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1840 elif currentnode is None: |
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1841 finalmsg = msgmissing % (book, nodemod.short(node)) |
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1842 else: |
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1843 finalmsg = msgstandard % (book, nodemod.short(node), |
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1844 nodemod.short(currentnode)) |
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1845 raise error.PushRaced(finalmsg) |
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1846 |
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1847 @parthandler('check:heads') |
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1848 def handlecheckheads(op, inpart): |
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1849 """check that head of the repo did not change |
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1850 |
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1851 This is used to detect a push race when using unbundle. |
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1852 This replaces the "heads" argument of unbundle.""" |
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1853 h = inpart.read(20) |
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1854 heads = [] |
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1855 while len(h) == 20: |
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1856 heads.append(h) |
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1857 h = inpart.read(20) |
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1858 assert not h |
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|
1859 # Trigger a transaction so that we are guaranteed to have the lock now. |
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1860 if op.ui.configbool('experimental', 'bundle2lazylocking'): |
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|
1861 op.gettransaction() |
29294
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Mads Kiilerich <madski@unity3d.com>
parents:
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|
1862 if sorted(heads) != sorted(op.repo.heads()): |
21185
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1863 raise error.PushRaced('repository changed while pushing - ' |
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1864 'please try again') |
21130
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|
1865 |
32709
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1866 @parthandler('check:updated-heads') |
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1867 def handlecheckupdatedheads(op, inpart): |
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1868 """check for race on the heads touched by a push |
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1869 |
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1870 This is similar to 'check:heads' but focus on the heads actually updated |
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1871 during the push. If other activities happen on unrelated heads, it is |
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1872 ignored. |
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1873 |
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1874 This allow server with high traffic to avoid push contention as long as |
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1875 unrelated parts of the graph are involved.""" |
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1876 h = inpart.read(20) |
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1877 heads = [] |
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1878 while len(h) == 20: |
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1879 heads.append(h) |
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1880 h = inpart.read(20) |
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1881 assert not h |
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1882 # trigger a transaction so that we are guaranteed to have the lock now. |
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1883 if op.ui.configbool('experimental', 'bundle2lazylocking'): |
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1884 op.gettransaction() |
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|
1885 |
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1886 currentheads = set() |
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|
1887 for ls in op.repo.branchmap().itervalues(): |
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|
1888 currentheads.update(ls) |
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|
1889 |
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1890 for h in heads: |
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1891 if h not in currentheads: |
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|
1892 raise error.PushRaced('repository changed while pushing - ' |
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|
1893 'please try again') |
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|
1894 |
34820
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|
1895 @parthandler('check:phases') |
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1896 def handlecheckphases(op, inpart): |
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|
1897 """check that phase boundaries of the repository did not change |
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|
1898 |
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|
1899 This is used to detect a push race. |
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|
1900 """ |
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|
1901 phasetonodes = phases.binarydecode(inpart) |
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|
1902 unfi = op.repo.unfiltered() |
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|
1903 cl = unfi.changelog |
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|
1904 phasecache = unfi._phasecache |
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1905 msg = ('repository changed while pushing - please try again ' |
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|
1906 '(%s is %s expected %s)') |
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|
1907 for expectedphase, nodes in enumerate(phasetonodes): |
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|
1908 for n in nodes: |
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|
1909 actualphase = phasecache.phase(unfi, cl.rev(n)) |
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|
1910 if actualphase != expectedphase: |
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|
1911 finalmsg = msg % (nodemod.short(n), |
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|
1912 phases.phasenames[actualphase], |
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|
1913 phases.phasenames[expectedphase]) |
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|
1914 raise error.PushRaced(finalmsg) |
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|
1915 |
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|
1916 @parthandler('output') |
21131
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|
1917 def handleoutput(op, inpart): |
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|
1918 """forward output captured on the server to the client""" |
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changeset
|
1919 for line in inpart.read().splitlines(): |
29851
ccd436f7db6d
bundle2: localize handleoutput remote prompts
Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
parents:
29847
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|
1920 op.ui.status(_('remote: %s\n') % line) |
21131
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changeset
|
1921 |
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|
1922 @parthandler('replycaps') |
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changeset
|
1923 def handlereplycaps(op, inpart): |
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|
1924 """Notify that a reply bundle should be created |
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|
1925 |
21138
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|
1926 The payload contains the capabilities information for the reply""" |
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|
1927 caps = decodecaps(inpart.read()) |
21130
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diff
changeset
|
1928 if op.reply is None: |
21135
98fbf3adfd83
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21134
diff
changeset
|
1929 op.reply = bundle20(op.ui, caps) |
21131
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changeset
|
1930 |
26829
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diff
changeset
|
1931 class AbortFromPart(error.Abort): |
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diff
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|
1932 """Sub-class of Abort that denotes an error from a bundle2 part.""" |
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|
1933 |
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|
1934 @parthandler('error:abort', ('message', 'hint')) |
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changeset
|
1935 def handleerrorabort(op, inpart): |
21177
952af771bc17
bundle2: gracefully handle abort during unbundle
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21176
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changeset
|
1936 """Used to transmit abort error over the wire""" |
26829
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|
1937 raise AbortFromPart(inpart.params['message'], |
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changeset
|
1938 hint=inpart.params.get('hint')) |
21183
4345274adc4b
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21179
diff
changeset
|
1939 |
25493
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diff
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|
1940 @parthandler('error:pushkey', ('namespace', 'key', 'new', 'old', 'ret', |
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diff
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|
1941 'in-reply-to')) |
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|
1942 def handleerrorpushkey(op, inpart): |
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changeset
|
1943 """Used to transmit failure of a mandatory pushkey over the wire""" |
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|
1944 kwargs = {} |
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|
1945 for name in ('namespace', 'key', 'new', 'old', 'ret'): |
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|
1946 value = inpart.params.get(name) |
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|
1947 if value is not None: |
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diff
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|
1948 kwargs[name] = value |
36427
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
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parents:
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diff
changeset
|
1949 raise error.PushkeyFailed(inpart.params['in-reply-to'], |
247b473f408e
bundle2: **strkwargs love on various kwargs constructions
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parents:
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changeset
|
1950 **pycompat.strkwargs(kwargs)) |
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|
1951 |
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|
1952 @parthandler('error:unsupportedcontent', ('parttype', 'params')) |
24741
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diff
changeset
|
1953 def handleerrorunsupportedcontent(op, inpart): |
21619
292331e906d7
bundle2: rename b2x:error:unknownpart to b2x:error:unsupportedcontent
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parents:
21618
diff
changeset
|
1954 """Used to transmit unknown content error over the wire""" |
21622
457492741007
bundle2: support transmission of params error over the wire
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21620
diff
changeset
|
1955 kwargs = {} |
21627
3e8bcc90f07c
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21626
diff
changeset
|
1956 parttype = inpart.params.get('parttype') |
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21626
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changeset
|
1957 if parttype is not None: |
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1958 kwargs['parttype'] = parttype |
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1959 params = inpart.params.get('params') |
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1960 if params is not None: |
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1961 kwargs['params'] = params.split('\0') |
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1962 |
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1963 raise error.BundleUnknownFeatureError(**pycompat.strkwargs(kwargs)) |
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1964 |
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1965 @parthandler('error:pushraced', ('message',)) |
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1966 def handleerrorpushraced(op, inpart): |
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1967 """Used to transmit push race error over the wire""" |
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1968 raise error.ResponseError(_('push failed:'), inpart.params['message']) |
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1969 |
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1970 @parthandler('listkeys', ('namespace',)) |
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1971 def handlelistkeys(op, inpart): |
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1972 """retrieve pushkey namespace content stored in a bundle2""" |
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1973 namespace = inpart.params['namespace'] |
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1974 r = pushkey.decodekeys(inpart.read()) |
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1975 op.records.add('listkeys', (namespace, r)) |
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1976 |
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1977 @parthandler('pushkey', ('namespace', 'key', 'old', 'new')) |
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1978 def handlepushkey(op, inpart): |
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1979 """process a pushkey request""" |
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1980 dec = pushkey.decode |
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1981 namespace = dec(inpart.params['namespace']) |
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1982 key = dec(inpart.params['key']) |
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1983 old = dec(inpart.params['old']) |
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1984 new = dec(inpart.params['new']) |
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1985 # Grab the transaction to ensure that we have the lock before performing the |
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1986 # pushkey. |
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1987 if op.ui.configbool('experimental', 'bundle2lazylocking'): |
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1988 op.gettransaction() |
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1989 ret = op.repo.pushkey(namespace, key, old, new) |
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1990 record = {'namespace': namespace, |
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1991 'key': key, |
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1992 'old': old, |
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1993 'new': new} |
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1994 op.records.add('pushkey', record) |
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1995 if op.reply is not None: |
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1996 rpart = op.reply.newpart('reply:pushkey') |
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1997 rpart.addparam( |
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1998 'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False) |
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1999 rpart.addparam('return', '%i' % ret, mandatory=False) |
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2000 if inpart.mandatory and not ret: |
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2001 kwargs = {} |
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2002 for key in ('namespace', 'key', 'new', 'old', 'ret'): |
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2003 if key in inpart.params: |
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2004 kwargs[key] = inpart.params[key] |
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bundle2: part id is an int, use %d to make it bytes
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2005 raise error.PushkeyFailed(partid='%d' % inpart.id, |
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2006 **pycompat.strkwargs(kwargs)) |
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2007 |
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2008 @parthandler('bookmarks') |
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2009 def handlebookmark(op, inpart): |
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2010 """transmit bookmark information |
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2011 |
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2012 The part contains binary encoded bookmark information. |
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2013 |
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2014 The exact behavior of this part can be controlled by the 'bookmarks' mode |
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2015 on the bundle operation. |
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2016 |
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2017 When mode is 'apply' (the default) the bookmark information is applied as |
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2018 is to the unbundling repository. Make sure a 'check:bookmarks' part is |
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2019 issued earlier to check for push races in such update. This behavior is |
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2020 suitable for pushing. |
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2021 |
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2022 When mode is 'records', the information is recorded into the 'bookmarks' |
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2023 records of the bundle operation. This behavior is suitable for pulling. |
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2024 """ |
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2025 changes = bookmarks.binarydecode(inpart) |
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2026 |
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2027 pushkeycompat = op.repo.ui.configbool('server', 'bookmarks-pushkey-compat') |
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2028 bookmarksmode = op.modes.get('bookmarks', 'apply') |
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2029 |
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2030 if bookmarksmode == 'apply': |
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2031 tr = op.gettransaction() |
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2032 bookstore = op.repo._bookmarks |
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2033 if pushkeycompat: |
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2034 allhooks = [] |
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2035 for book, node in changes: |
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2036 hookargs = tr.hookargs.copy() |
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2037 hookargs['pushkeycompat'] = '1' |
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|
2038 hookargs['namespace'] = 'bookmarks' |
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2039 hookargs['key'] = book |
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2040 hookargs['old'] = nodemod.hex(bookstore.get(book, '')) |
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2041 hookargs['new'] = nodemod.hex(node if node is not None else '') |
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2042 allhooks.append(hookargs) |
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2043 |
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2044 for hookargs in allhooks: |
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2045 op.repo.hook('prepushkey', throw=True, |
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2046 **pycompat.strkwargs(hookargs)) |
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2047 |
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2048 bookstore.applychanges(op.repo, op.gettransaction(), changes) |
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2049 |
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2050 if pushkeycompat: |
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2051 def runhook(): |
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2052 for hookargs in allhooks: |
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2053 op.repo.hook('pushkey', **pycompat.strkwargs(hookargs)) |
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2054 op.repo._afterlock(runhook) |
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2055 |
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2056 elif bookmarksmode == 'records': |
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2057 for book, node in changes: |
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2058 record = {'bookmark': book, 'node': node} |
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2059 op.records.add('bookmarks', record) |
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2060 else: |
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2061 raise error.ProgrammingError('unkown bookmark mode: %s' % bookmarksmode) |
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2062 |
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|
2063 @parthandler('phase-heads') |
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|
2064 def handlephases(op, inpart): |
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|
2065 """apply phases from bundle part to repo""" |
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12c42bcd4133
phases: move the binary decoding function in the phases module
Boris Feld <boris.feld@octobus.net>
parents:
34319
diff
changeset
|
2066 headsbyphase = phases.binarydecode(inpart) |
34321
4ef472b975ff
bundle2: only grab a transaction when 'phase-heads' affect the repository
Boris Feld <boris.feld@octobus.net>
parents:
34320
diff
changeset
|
2067 phases.updatephases(op.repo.unfiltered(), op.gettransaction, headsbyphase) |
33031
e8c8d81eb864
bundle: add config option to include phases
Martin von Zweigbergk <martinvonz@google.com>
parents:
33030
diff
changeset
|
2068 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
2069 @parthandler('reply:pushkey', ('return', 'in-reply-to')) |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2070 def handlepushkeyreply(op, inpart): |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2071 """retrieve the result of a pushkey request""" |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2072 ret = int(inpart.params['return']) |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2073 partid = int(inpart.params['in-reply-to']) |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
2074 op.records.add('pushkey', {'return': ret}, partid) |
22336
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2075 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
2076 @parthandler('obsmarkers') |
22336
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2077 def handleobsmarker(op, inpart): |
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2078 """add a stream of obsmarkers to the repo""" |
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
2079 tr = op.gettransaction() |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2080 markerdata = inpart.read() |
33499
0407a51b9d8c
codemod: register core configitems using a script
Jun Wu <quark@fb.com>
parents:
33461
diff
changeset
|
2081 if op.ui.config('experimental', 'obsmarkers-exchange-debug'): |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2082 op.ui.write(('obsmarker-exchange: %i bytes received\n') |
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2083 % len(markerdata)) |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2084 # The mergemarkers call will crash if marker creation is not enabled. |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2085 # we want to avoid this if the part is advisory. |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2086 if not inpart.mandatory and op.repo.obsstore.readonly: |
35466
7906354cbc68
debug: add newlines at the end of three locations that appear to need it
Kyle Lippincott <spectral@google.com>
parents:
35266
diff
changeset
|
2087 op.repo.ui.debug('ignoring obsolescence markers, feature not enabled\n') |
26685
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
2088 return |
24733
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
2089 new = op.repo.obsstore.mergemarkers(tr, markerdata) |
32326
99515353c72a
obsolete: invalidate "volatile" set cache after merging marker
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32024
diff
changeset
|
2090 op.repo.invalidatevolatilesets() |
22337
c380fe290290
obsmarker: write a message with the number of markers added through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22336
diff
changeset
|
2091 if new: |
c380fe290290
obsmarker: write a message with the number of markers added through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22336
diff
changeset
|
2092 op.repo.ui.status(_('%i new obsolescence markers\n') % new) |
22338
8fcd56095d3b
obssmarker: add a bundle2 record with the number of markers added
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22337
diff
changeset
|
2093 op.records.add('obsmarkers', {'new': new}) |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2094 if op.reply is not None: |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
2095 rpart = op.reply.newpart('reply:obsmarkers') |
33675
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
2096 rpart.addparam( |
24b7c75c6441
bundle2: use bytestr() instead of str() to convert part id to bytes
Augie Fackler <augie@google.com>
parents:
33674
diff
changeset
|
2097 'in-reply-to', pycompat.bytestr(inpart.id), mandatory=False) |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2098 rpart.addparam('new', '%i' % new, mandatory=False) |
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2099 |
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2100 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
2101 @parthandler('reply:obsmarkers', ('new', 'in-reply-to')) |
25506
86472038dfd2
bundle2: rename duplicate handlepushkeyreply to handleobsmarkerreply
Martin von Zweigbergk <martinvonz@google.com>
parents:
25493
diff
changeset
|
2102 def handleobsmarkerreply(op, inpart): |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2103 """retrieve the result of a pushkey request""" |
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2104 ret = int(inpart.params['new']) |
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2105 partid = int(inpart.params['in-reply-to']) |
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
2106 op.records.add('obsmarkers', {'new': ret}, partid) |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2107 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2108 @parthandler('hgtagsfnodes') |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2109 def handlehgtagsfnodes(op, inpart): |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2110 """Applies .hgtags fnodes cache entries to the local repo. |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2111 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2112 Payload is pairs of 20 byte changeset nodes and filenodes. |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2113 """ |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2114 # Grab the transaction so we ensure that we have the lock at this point. |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2115 if op.ui.configbool('experimental', 'bundle2lazylocking'): |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
2116 op.gettransaction() |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2117 cache = tags.hgtagsfnodescache(op.repo.unfiltered()) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2118 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2119 count = 0 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2120 while True: |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2121 node = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2122 fnode = inpart.read(20) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2123 if len(node) < 20 or len(fnode) < 20: |
25641
c0bdfe87b245
bundle2: reword debug message for invalid .hgtags data
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25640
diff
changeset
|
2124 op.ui.debug('ignoring incomplete received .hgtags fnodes data\n') |
25401
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2125 break |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2126 cache.setfnode(node, fnode) |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2127 count += 1 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2128 |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2129 cache.write() |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
2130 op.ui.debug('applied %i hgtags fnodes cache entries\n' % count) |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2131 |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2132 @parthandler('pushvars') |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2133 def bundle2getvars(op, part): |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2134 '''unbundle a bundle2 containing shellvars on the server''' |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2135 # An option to disable unbundling on server-side for security reasons |
33835
057d31ceace3
pushvars: add a coreconfigitem for push.pushvars.server
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33810
diff
changeset
|
2136 if op.ui.configbool('push', 'pushvars.server'): |
33693
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2137 hookargs = {} |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2138 for key, value in part.advisoryparams: |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2139 key = key.upper() |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2140 # We want pushed variables to have USERVAR_ prepended so we know |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2141 # they came from the --pushvar flag. |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2142 key = "USERVAR_" + key |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2143 hookargs[key] = value |
db3dc11356ed
pushvars: move fb extension pushvars to core
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33682
diff
changeset
|
2144 op.addhookargs(hookargs) |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2145 |
35788
b116a66bcc44
bundle2: move version of stream clone into part name
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35787
diff
changeset
|
2146 @parthandler('stream2', ('requirements', 'filecount', 'bytecount')) |
b116a66bcc44
bundle2: move version of stream clone into part name
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35787
diff
changeset
|
2147 def handlestreamv2bundle(op, part): |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2148 |
35813
768326377e4d
bundle2: fix the formatting of the stream part requirements
Boris Feld <boris.feld@octobus.net>
parents:
35811
diff
changeset
|
2149 requirements = urlreq.unquote(part.params['requirements']).split(',') |
35758
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2150 filecount = int(part.params['filecount']) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2151 bytecount = int(part.params['bytecount']) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2152 |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2153 repo = op.repo |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2154 if len(repo): |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2155 msg = _('cannot apply stream clone to non empty repository') |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2156 raise error.Abort(msg) |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2157 |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2158 repo.ui.debug('applying stream bundle\n') |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2159 streamclone.applybundlev2(repo, part, filecount, bytecount, |
b996ddf5963d
bundle2: add a 'stream' part handler for stream cloning
Boris Feld <boris.feld@octobus.net>
parents:
35655
diff
changeset
|
2160 requirements) |