Mercurial > hg
annotate mercurial/bundle2.py @ 32223:d7f93ebbbbdf
bundle: add optional 'tagsfnodecache' data to on disk bundle (issue5543)
This should help performance when unbundling.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 05 May 2017 17:31:15 +0200 |
parents | 6068712cbf03 |
children | 655f1e2cfa5a |
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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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 |
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149 |
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150 import errno |
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151 import re |
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152 import string |
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153 import struct |
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154 import sys |
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155 |
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156 from .i18n import _ |
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157 from . import ( |
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158 changegroup, |
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159 error, |
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160 obsolete, |
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161 pushkey, |
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162 pycompat, |
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163 tags, |
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164 url, |
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165 util, |
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166 ) |
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167 |
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168 urlerr = util.urlerr |
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169 urlreq = util.urlreq |
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170 |
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171 _pack = struct.pack |
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172 _unpack = struct.unpack |
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173 |
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174 _fstreamparamsize = '>i' |
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175 _fpartheadersize = '>i' |
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176 _fparttypesize = '>B' |
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177 _fpartid = '>I' |
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178 _fpayloadsize = '>i' |
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179 _fpartparamcount = '>BB' |
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180 |
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181 preferedchunksize = 4096 |
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182 |
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183 _parttypeforbidden = re.compile('[^a-zA-Z0-9_:-]') |
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184 |
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185 def outdebug(ui, message): |
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186 """debug regarding output stream (bundling)""" |
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187 if ui.configbool('devel', 'bundle2.debug', False): |
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188 ui.debug('bundle2-output: %s\n' % message) |
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189 |
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190 def indebug(ui, message): |
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191 """debug on input stream (unbundling)""" |
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192 if ui.configbool('devel', 'bundle2.debug', False): |
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193 ui.debug('bundle2-input: %s\n' % message) |
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194 |
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195 def validateparttype(parttype): |
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196 """raise ValueError if a parttype contains invalid character""" |
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197 if _parttypeforbidden.search(parttype): |
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198 raise ValueError(parttype) |
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199 |
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200 def _makefpartparamsizes(nbparams): |
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201 """return a struct format to read part parameter sizes |
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202 |
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203 The number parameters is variable so we need to build that format |
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204 dynamically. |
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205 """ |
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206 return '>'+('BB'*nbparams) |
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207 |
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208 parthandlermapping = {} |
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209 |
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210 def parthandler(parttype, params=()): |
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211 """decorator that register a function as a bundle2 part handler |
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212 |
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213 eg:: |
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214 |
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215 @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
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216 def myparttypehandler(...): |
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217 '''process a part of type "my part".''' |
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218 ... |
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219 """ |
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220 validateparttype(parttype) |
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221 def _decorator(func): |
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222 lparttype = parttype.lower() # enforce lower case matching. |
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223 assert lparttype not in parthandlermapping |
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224 parthandlermapping[lparttype] = func |
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225 func.params = frozenset(params) |
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226 return func |
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227 return _decorator |
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228 |
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229 class unbundlerecords(object): |
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230 """keep record of what happens during and unbundle |
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231 |
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232 New records are added using `records.add('cat', obj)`. Where 'cat' is a |
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233 category of record and obj is an arbitrary object. |
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234 |
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235 `records['cat']` will return all entries of this category 'cat'. |
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236 |
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237 Iterating on the object itself will yield `('category', obj)` tuples |
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238 for all entries. |
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239 |
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240 All iterations happens in chronological order. |
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241 """ |
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242 |
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243 def __init__(self): |
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244 self._categories = {} |
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245 self._sequences = [] |
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246 self._replies = {} |
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247 |
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248 def add(self, category, entry, inreplyto=None): |
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249 """add a new record of a given category. |
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250 |
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251 The entry can then be retrieved in the list returned by |
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252 self['category'].""" |
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253 self._categories.setdefault(category, []).append(entry) |
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254 self._sequences.append((category, entry)) |
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255 if inreplyto is not None: |
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256 self.getreplies(inreplyto).add(category, entry) |
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257 |
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258 def getreplies(self, partid): |
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259 """get the records that are replies to a specific part""" |
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260 return self._replies.setdefault(partid, unbundlerecords()) |
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261 |
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262 def __getitem__(self, cat): |
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263 return tuple(self._categories.get(cat, ())) |
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264 |
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265 def __iter__(self): |
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266 return iter(self._sequences) |
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267 |
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268 def __len__(self): |
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269 return len(self._sequences) |
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270 |
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271 def __nonzero__(self): |
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272 return bool(self._sequences) |
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273 |
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274 __bool__ = __nonzero__ |
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275 |
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276 class bundleoperation(object): |
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277 """an object that represents a single bundling process |
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278 |
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279 Its purpose is to carry unbundle-related objects and states. |
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280 |
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281 A new object should be created at the beginning of each bundle processing. |
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282 The object is to be returned by the processing function. |
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283 |
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284 The object has very little content now it will ultimately contain: |
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285 * an access to the repo the bundle is applied to, |
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286 * a ui object, |
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287 * a way to retrieve a transaction to add changes to the repo, |
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288 * a way to record the result of processing each part, |
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289 * a way to construct a bundle response when applicable. |
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290 """ |
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291 |
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292 def __init__(self, repo, transactiongetter, captureoutput=True): |
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293 self.repo = repo |
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294 self.ui = repo.ui |
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295 self.records = unbundlerecords() |
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296 self.gettransaction = transactiongetter |
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297 self.reply = None |
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298 self.captureoutput = captureoutput |
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299 |
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300 class TransactionUnavailable(RuntimeError): |
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301 pass |
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302 |
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303 def _notransaction(): |
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304 """default method to get a transaction while processing a bundle |
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305 |
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306 Raise an exception to highlight the fact that no transaction was expected |
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307 to be created""" |
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308 raise TransactionUnavailable() |
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309 |
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310 def applybundle(repo, unbundler, tr, source=None, url=None, op=None): |
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311 # transform me into unbundler.apply() as soon as the freeze is lifted |
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312 tr.hookargs['bundle2'] = '1' |
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313 if source is not None and 'source' not in tr.hookargs: |
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314 tr.hookargs['source'] = source |
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315 if url is not None and 'url' not in tr.hookargs: |
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316 tr.hookargs['url'] = url |
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317 return processbundle(repo, unbundler, lambda: tr, op=op) |
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318 |
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319 def processbundle(repo, unbundler, transactiongetter=None, op=None): |
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320 """This function process a bundle, apply effect to/from a repo |
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321 |
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322 It iterates over each part then searches for and uses the proper handling |
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323 code to process the part. Parts are processed in order. |
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324 |
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325 Unknown Mandatory part will abort the process. |
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326 |
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327 It is temporarily possible to provide a prebuilt bundleoperation to the |
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328 function. This is used to ensure output is properly propagated in case of |
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329 an error during the unbundling. This output capturing part will likely be |
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330 reworked and this ability will probably go away in the process. |
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331 """ |
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332 if op is None: |
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333 if transactiongetter is None: |
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334 transactiongetter = _notransaction |
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335 op = bundleoperation(repo, transactiongetter) |
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336 # todo: |
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337 # - replace this is a init function soon. |
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338 # - exception catching |
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339 unbundler.params |
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340 if repo.ui.debugflag: |
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341 msg = ['bundle2-input-bundle:'] |
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342 if unbundler.params: |
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343 msg.append(' %i params') |
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344 if op.gettransaction is None: |
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345 msg.append(' no-transaction') |
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346 else: |
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347 msg.append(' with-transaction') |
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348 msg.append('\n') |
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349 repo.ui.debug(''.join(msg)) |
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350 iterparts = enumerate(unbundler.iterparts()) |
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351 part = None |
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352 nbpart = 0 |
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353 try: |
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354 for nbpart, part in iterparts: |
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355 _processpart(op, part) |
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356 except Exception as exc: |
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357 # Any exceptions seeking to the end of the bundle at this point are |
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358 # almost certainly related to the underlying stream being bad. |
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359 # And, chances are that the exception we're handling is related to |
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360 # getting in that bad state. So, we swallow the seeking error and |
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361 # re-raise the original error. |
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362 seekerror = False |
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363 try: |
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364 for nbpart, part in iterparts: |
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365 # consume the bundle content |
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366 part.seek(0, 2) |
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367 except Exception: |
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368 seekerror = True |
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369 |
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370 # Small hack to let caller code distinguish exceptions from bundle2 |
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371 # processing from processing the old format. This is mostly |
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372 # needed to handle different return codes to unbundle according to the |
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373 # type of bundle. We should probably clean up or drop this return code |
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374 # craziness in a future version. |
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375 exc.duringunbundle2 = True |
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376 salvaged = [] |
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377 replycaps = None |
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378 if op.reply is not None: |
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379 salvaged = op.reply.salvageoutput() |
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380 replycaps = op.reply.capabilities |
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381 exc._replycaps = replycaps |
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382 exc._bundle2salvagedoutput = salvaged |
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383 |
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384 # Re-raising from a variable loses the original stack. So only use |
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385 # that form if we need to. |
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386 if seekerror: |
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387 raise exc |
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388 else: |
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389 raise |
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390 finally: |
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391 repo.ui.debug('bundle2-input-bundle: %i parts total\n' % nbpart) |
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392 |
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393 return op |
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394 |
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395 def _processpart(op, part): |
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396 """process a single part from a bundle |
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397 |
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398 The part is guaranteed to have been fully consumed when the function exits |
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399 (even if an exception is raised).""" |
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400 status = 'unknown' # used by debug output |
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401 hardabort = False |
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402 try: |
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403 try: |
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404 handler = parthandlermapping.get(part.type) |
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405 if handler is None: |
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406 status = 'unsupported-type' |
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407 raise error.BundleUnknownFeatureError(parttype=part.type) |
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408 indebug(op.ui, 'found a handler for part %r' % part.type) |
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409 unknownparams = part.mandatorykeys - handler.params |
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410 if unknownparams: |
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411 unknownparams = list(unknownparams) |
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412 unknownparams.sort() |
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413 status = 'unsupported-params (%s)' % unknownparams |
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414 raise error.BundleUnknownFeatureError(parttype=part.type, |
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415 params=unknownparams) |
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416 status = 'supported' |
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417 except error.BundleUnknownFeatureError as exc: |
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418 if part.mandatory: # mandatory parts |
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419 raise |
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420 indebug(op.ui, 'ignoring unsupported advisory part %s' % exc) |
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421 return # skip to part processing |
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422 finally: |
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423 if op.ui.debugflag: |
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424 msg = ['bundle2-input-part: "%s"' % part.type] |
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425 if not part.mandatory: |
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426 msg.append(' (advisory)') |
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427 nbmp = len(part.mandatorykeys) |
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428 nbap = len(part.params) - nbmp |
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429 if nbmp or nbap: |
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430 msg.append(' (params:') |
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431 if nbmp: |
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432 msg.append(' %i mandatory' % nbmp) |
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433 if nbap: |
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434 msg.append(' %i advisory' % nbmp) |
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435 msg.append(')') |
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436 msg.append(' %s\n' % status) |
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437 op.ui.debug(''.join(msg)) |
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438 |
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439 # handler is called outside the above try block so that we don't |
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440 # risk catching KeyErrors from anything other than the |
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441 # parthandlermapping lookup (any KeyError raised by handler() |
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442 # itself represents a defect of a different variety). |
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443 output = None |
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444 if op.captureoutput and op.reply is not None: |
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445 op.ui.pushbuffer(error=True, subproc=True) |
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446 output = '' |
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447 try: |
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448 handler(op, part) |
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449 finally: |
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450 if output is not None: |
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451 output = op.ui.popbuffer() |
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452 if output: |
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453 outpart = op.reply.newpart('output', data=output, |
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454 mandatory=False) |
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455 outpart.addparam('in-reply-to', str(part.id), mandatory=False) |
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456 # If exiting or interrupted, do not attempt to seek the stream in the |
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457 # finally block below. This makes abort faster. |
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458 except (SystemExit, KeyboardInterrupt): |
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459 hardabort = True |
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460 raise |
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461 finally: |
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462 # consume the part content to not corrupt the stream. |
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463 if not hardabort: |
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464 part.seek(0, 2) |
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465 |
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466 |
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467 def decodecaps(blob): |
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468 """decode a bundle2 caps bytes blob into a dictionary |
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469 |
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470 The blob is a list of capabilities (one per line) |
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471 Capabilities may have values using a line of the form:: |
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472 |
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473 capability=value1,value2,value3 |
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474 |
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475 The values are always a list.""" |
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476 caps = {} |
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477 for line in blob.splitlines(): |
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478 if not line: |
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479 continue |
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480 if '=' not in line: |
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481 key, vals = line, () |
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482 else: |
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483 key, vals = line.split('=', 1) |
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484 vals = vals.split(',') |
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485 key = urlreq.unquote(key) |
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486 vals = [urlreq.unquote(v) for v in vals] |
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487 caps[key] = vals |
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488 return caps |
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489 |
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490 def encodecaps(caps): |
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491 """encode a bundle2 caps dictionary into a bytes blob""" |
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492 chunks = [] |
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493 for ca in sorted(caps): |
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494 vals = caps[ca] |
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495 ca = urlreq.quote(ca) |
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496 vals = [urlreq.quote(v) for v in vals] |
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497 if vals: |
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498 ca = "%s=%s" % (ca, ','.join(vals)) |
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499 chunks.append(ca) |
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500 return '\n'.join(chunks) |
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501 |
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502 bundletypes = { |
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503 "": ("", 'UN'), # only when using unbundle on ssh and old http servers |
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504 # since the unification ssh accepts a header but there |
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505 # is no capability signaling it. |
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506 "HG20": (), # special-cased below |
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507 "HG10UN": ("HG10UN", 'UN'), |
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508 "HG10BZ": ("HG10", 'BZ'), |
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509 "HG10GZ": ("HG10GZ", 'GZ'), |
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510 } |
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511 |
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512 # hgweb uses this list to communicate its preferred type |
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513 bundlepriority = ['HG10GZ', 'HG10BZ', 'HG10UN'] |
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514 |
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515 class bundle20(object): |
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516 """represent an outgoing bundle2 container |
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517 |
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518 Use the `addparam` method to add stream level parameter. and `newpart` to |
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519 populate it. Then call `getchunks` to retrieve all the binary chunks of |
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520 data that compose the bundle2 container.""" |
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521 |
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522 _magicstring = 'HG20' |
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523 |
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524 def __init__(self, ui, capabilities=()): |
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525 self.ui = ui |
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526 self._params = [] |
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527 self._parts = [] |
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528 self.capabilities = dict(capabilities) |
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529 self._compengine = util.compengines.forbundletype('UN') |
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530 self._compopts = None |
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531 |
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532 def setcompression(self, alg, compopts=None): |
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533 """setup core part compression to <alg>""" |
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534 if alg in (None, 'UN'): |
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535 return |
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536 assert not any(n.lower() == 'compression' for n, v in self._params) |
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537 self.addparam('Compression', alg) |
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538 self._compengine = util.compengines.forbundletype(alg) |
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539 self._compopts = compopts |
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540 |
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541 @property |
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542 def nbparts(self): |
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543 """total number of parts added to the bundler""" |
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544 return len(self._parts) |
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545 |
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546 # methods used to defines the bundle2 content |
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547 def addparam(self, name, value=None): |
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548 """add a stream level parameter""" |
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549 if not name: |
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550 raise ValueError('empty parameter name') |
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551 if name[0] not in string.letters: |
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552 raise ValueError('non letter first character: %r' % name) |
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553 self._params.append((name, value)) |
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554 |
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555 def addpart(self, part): |
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556 """add a new part to the bundle2 container |
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557 |
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558 Parts contains the actual applicative payload.""" |
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559 assert part.id is None |
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560 part.id = len(self._parts) # very cheap counter |
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561 self._parts.append(part) |
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562 |
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563 def newpart(self, typeid, *args, **kwargs): |
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564 """create a new part and add it to the containers |
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565 |
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566 As the part is directly added to the containers. For now, this means |
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567 that any failure to properly initialize the part after calling |
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568 ``newpart`` should result in a failure of the whole bundling process. |
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569 |
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570 You can still fall back to manually create and add if you need better |
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571 control.""" |
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572 part = bundlepart(typeid, *args, **kwargs) |
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573 self.addpart(part) |
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574 return part |
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575 |
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576 # methods used to generate the bundle2 stream |
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577 def getchunks(self): |
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578 if self.ui.debugflag: |
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579 msg = ['bundle2-output-bundle: "%s",' % self._magicstring] |
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580 if self._params: |
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581 msg.append(' (%i params)' % len(self._params)) |
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582 msg.append(' %i parts total\n' % len(self._parts)) |
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583 self.ui.debug(''.join(msg)) |
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584 outdebug(self.ui, 'start emission of %s stream' % self._magicstring) |
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585 yield self._magicstring |
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586 param = self._paramchunk() |
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587 outdebug(self.ui, 'bundle parameter: %s' % param) |
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588 yield _pack(_fstreamparamsize, len(param)) |
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589 if param: |
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590 yield param |
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591 for chunk in self._compengine.compressstream(self._getcorechunk(), |
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592 self._compopts): |
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593 yield chunk |
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594 |
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595 def _paramchunk(self): |
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596 """return a encoded version of all stream parameters""" |
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597 blocks = [] |
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598 for par, value in self._params: |
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599 par = urlreq.quote(par) |
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600 if value is not None: |
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601 value = urlreq.quote(value) |
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602 par = '%s=%s' % (par, value) |
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603 blocks.append(par) |
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604 return ' '.join(blocks) |
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605 |
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606 def _getcorechunk(self): |
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607 """yield chunk for the core part of the bundle |
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608 |
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609 (all but headers and parameters)""" |
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610 outdebug(self.ui, 'start of parts') |
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611 for part in self._parts: |
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612 outdebug(self.ui, 'bundle part: "%s"' % part.type) |
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613 for chunk in part.getchunks(ui=self.ui): |
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614 yield chunk |
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615 outdebug(self.ui, 'end of bundle') |
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616 yield _pack(_fpartheadersize, 0) |
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|
617 |
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|
618 |
24794
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|
619 def salvageoutput(self): |
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620 """return a list with a copy of all output parts in the bundle |
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621 |
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|
622 This is meant to be used during error handling to make sure we preserve |
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|
623 server output""" |
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|
624 salvaged = [] |
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|
625 for part in self._parts: |
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|
626 if part.type.startswith('output'): |
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|
627 salvaged.append(part.copy()) |
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|
628 return salvaged |
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|
629 |
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|
630 |
21013
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diff
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|
631 class unpackermixin(object): |
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632 """A mixin to extract bytes and struct data from a stream""" |
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633 |
21013
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|
634 def __init__(self, fp): |
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635 self._fp = fp |
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636 |
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637 def _unpack(self, format): |
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638 """unpack this struct format from the stream |
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|
639 |
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|
640 This method is meant for internal usage by the bundle2 protocol only. |
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641 They directly manipulate the low level stream including bundle2 level |
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|
642 instruction. |
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643 |
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|
644 Do not use it to implement higher-level logic or methods.""" |
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645 data = self._readexact(struct.calcsize(format)) |
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646 return _unpack(format, data) |
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647 |
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648 def _readexact(self, size): |
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649 """read exactly <size> bytes from the stream |
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650 |
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651 This method is meant for internal usage by the bundle2 protocol only. |
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652 They directly manipulate the low level stream including bundle2 level |
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653 instruction. |
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654 |
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|
655 Do not use it to implement higher-level logic or methods.""" |
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656 return changegroup.readexactly(self._fp, size) |
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657 |
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658 def getunbundler(ui, fp, magicstring=None): |
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659 """return a valid unbundler object for a given magicstring""" |
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660 if magicstring is None: |
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661 magicstring = changegroup.readexactly(fp, 4) |
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662 magic, version = magicstring[0:2], magicstring[2:4] |
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663 if magic != 'HG': |
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664 raise error.Abort(_('not a Mercurial bundle')) |
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665 unbundlerclass = formatmap.get(version) |
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666 if unbundlerclass is None: |
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667 raise error.Abort(_('unknown bundle version %s') % version) |
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668 unbundler = unbundlerclass(ui, fp) |
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669 indebug(ui, 'start processing of %s stream' % magicstring) |
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670 return unbundler |
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671 |
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672 class unbundle20(unpackermixin): |
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673 """interpret a bundle2 stream |
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674 |
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675 This class is fed with a binary stream and yields parts through its |
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676 `iterparts` methods.""" |
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677 |
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678 _magicstring = 'HG20' |
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679 |
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680 def __init__(self, ui, fp): |
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681 """If header is specified, we do not read it out of the stream.""" |
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682 self.ui = ui |
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683 self._compengine = util.compengines.forbundletype('UN') |
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684 self._compressed = None |
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685 super(unbundle20, self).__init__(fp) |
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686 |
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687 @util.propertycache |
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688 def params(self): |
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689 """dictionary of stream level parameters""" |
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690 indebug(self.ui, 'reading bundle2 stream parameters') |
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691 params = {} |
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692 paramssize = self._unpack(_fstreamparamsize)[0] |
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693 if paramssize < 0: |
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694 raise error.BundleValueError('negative bundle param size: %i' |
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695 % paramssize) |
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696 if paramssize: |
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697 params = self._readexact(paramssize) |
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698 params = self._processallparams(params) |
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699 return params |
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700 |
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701 def _processallparams(self, paramsblock): |
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702 """""" |
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703 params = util.sortdict() |
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704 for p in paramsblock.split(' '): |
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705 p = p.split('=', 1) |
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706 p = [urlreq.unquote(i) for i in p] |
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707 if len(p) < 2: |
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708 p.append(None) |
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709 self._processparam(*p) |
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710 params[p[0]] = p[1] |
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711 return params |
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712 |
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713 |
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714 def _processparam(self, name, value): |
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715 """process a parameter, applying its effect if needed |
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716 |
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717 Parameter starting with a lower case letter are advisory and will be |
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718 ignored when unknown. Those starting with an upper case letter are |
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719 mandatory and will this function will raise a KeyError when unknown. |
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720 |
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721 Note: no option are currently supported. Any input will be either |
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722 ignored or failing. |
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723 """ |
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724 if not name: |
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725 raise ValueError('empty parameter name') |
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726 if name[0] not in string.letters: |
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|
727 raise ValueError('non letter first character: %r' % name) |
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|
728 try: |
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|
729 handler = b2streamparamsmap[name.lower()] |
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730 except KeyError: |
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|
731 if name[0].islower(): |
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732 indebug(self.ui, "ignoring unknown parameter %r" % name) |
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733 else: |
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|
734 raise error.BundleUnknownFeatureError(params=(name,)) |
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735 else: |
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|
736 handler(self, name, value) |
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737 |
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738 def _forwardchunks(self): |
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739 """utility to transfer a bundle2 as binary |
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740 |
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741 This is made necessary by the fact the 'getbundle' command over 'ssh' |
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742 have no way to know then the reply end, relying on the bundle to be |
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743 interpreted to know its end. This is terrible and we are sorry, but we |
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744 needed to move forward to get general delta enabled. |
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745 """ |
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746 yield self._magicstring |
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747 assert 'params' not in vars(self) |
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748 paramssize = self._unpack(_fstreamparamsize)[0] |
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749 if paramssize < 0: |
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|
750 raise error.BundleValueError('negative bundle param size: %i' |
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751 % paramssize) |
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752 yield _pack(_fstreamparamsize, paramssize) |
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753 if paramssize: |
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754 params = self._readexact(paramssize) |
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755 self._processallparams(params) |
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756 yield params |
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757 assert self._compengine.bundletype == 'UN' |
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758 # From there, payload might need to be decompressed |
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759 self._fp = self._compengine.decompressorreader(self._fp) |
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760 emptycount = 0 |
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761 while emptycount < 2: |
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762 # so we can brainlessly loop |
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763 assert _fpartheadersize == _fpayloadsize |
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764 size = self._unpack(_fpartheadersize)[0] |
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765 yield _pack(_fpartheadersize, size) |
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766 if size: |
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767 emptycount = 0 |
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768 else: |
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769 emptycount += 1 |
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770 continue |
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771 if size == flaginterrupt: |
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772 continue |
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773 elif size < 0: |
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774 raise error.BundleValueError('negative chunk size: %i') |
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|
775 yield self._readexact(size) |
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|
776 |
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|
777 |
21129
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778 def iterparts(self): |
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779 """yield all parts contained in the stream""" |
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780 # make sure param have been loaded |
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781 self.params |
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782 # From there, payload need to be decompressed |
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783 self._fp = self._compengine.decompressorreader(self._fp) |
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784 indebug(self.ui, 'start extraction of bundle2 parts') |
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785 headerblock = self._readpartheader() |
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786 while headerblock is not None: |
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787 part = unbundlepart(self.ui, headerblock, self._fp) |
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788 yield part |
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diff
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|
789 part.seek(0, 2) |
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790 headerblock = self._readpartheader() |
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791 indebug(self.ui, 'end of bundle2 stream') |
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792 |
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793 def _readpartheader(self): |
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794 """reads a part header size and return the bytes blob |
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795 |
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796 returns None if empty""" |
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797 headersize = self._unpack(_fpartheadersize)[0] |
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798 if headersize < 0: |
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799 raise error.BundleValueError('negative part header size: %i' |
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|
800 % headersize) |
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801 indebug(self.ui, 'part header size: %i' % headersize) |
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802 if headersize: |
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803 return self._readexact(headersize) |
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804 return None |
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805 |
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|
806 def compressed(self): |
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|
807 self.params # load params |
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808 return self._compressed |
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809 |
31863
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810 def close(self): |
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811 """close underlying file""" |
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812 if util.safehasattr(self._fp, 'close'): |
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813 return self._fp.close() |
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|
814 |
24686
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|
815 formatmap = {'20': unbundle20} |
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|
816 |
26395
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817 b2streamparamsmap = {} |
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818 |
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819 def b2streamparamhandler(name): |
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820 """register a handler for a stream level parameter""" |
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|
821 def decorator(func): |
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822 assert name not in formatmap |
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823 b2streamparamsmap[name] = func |
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824 return func |
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825 return decorator |
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826 |
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827 @b2streamparamhandler('compression') |
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828 def processcompression(unbundler, param, value): |
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829 """read compression parameter and install payload decompression""" |
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830 if value not in util.compengines.supportedbundletypes: |
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|
831 raise error.BundleUnknownFeatureError(params=(param,), |
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|
832 values=(value,)) |
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833 unbundler._compengine = util.compengines.forbundletype(value) |
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834 if value is not None: |
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|
835 unbundler._compressed = True |
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|
836 |
21005
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|
837 class bundlepart(object): |
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838 """A bundle2 part contains application level payload |
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839 |
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840 The part `type` is used to route the part to the application level |
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|
841 handler. |
21604
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|
842 |
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843 The part payload is contained in ``part.data``. It could be raw bytes or a |
21605
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|
844 generator of byte chunks. |
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845 |
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846 You can add parameters to the part using the ``addparam`` method. |
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847 Parameters can be either mandatory (default) or advisory. Remote side |
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848 should be able to safely ignore the advisory ones. |
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849 |
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850 Both data and parameters cannot be modified after the generation has begun. |
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851 """ |
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|
852 |
20877
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|
853 def __init__(self, parttype, mandatoryparams=(), advisoryparams=(), |
23590
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|
854 data='', mandatory=True): |
23868
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diff
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|
855 validateparttype(parttype) |
20995
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|
856 self.id = None |
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857 self.type = parttype |
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|
858 self._data = data |
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859 self._mandatoryparams = list(mandatoryparams) |
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860 self._advisoryparams = list(advisoryparams) |
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|
861 # checking for duplicated entries |
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862 self._seenparams = set() |
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|
863 for pname, __ in self._mandatoryparams + self._advisoryparams: |
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|
864 if pname in self._seenparams: |
31647 | 865 raise error.ProgrammingError('duplicated params: %s' % pname) |
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|
866 self._seenparams.add(pname) |
21601
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21600
diff
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|
867 # status of the part's generation: |
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868 # - None: not started, |
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869 # - False: currently generated, |
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870 # - True: generation done. |
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871 self._generated = None |
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872 self.mandatory = mandatory |
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873 |
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874 def __repr__(self): |
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875 cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
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876 return ('<%s object at %x; id: %s; type: %s; mandatory: %s>' |
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|
877 % (cls, id(self), self.id, self.type, self.mandatory)) |
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|
878 |
24793
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|
879 def copy(self): |
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880 """return a copy of the part |
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881 |
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882 The new part have the very same content but no partid assigned yet. |
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883 Parts with generated data cannot be copied.""" |
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884 assert not util.safehasattr(self.data, 'next') |
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885 return self.__class__(self.type, self._mandatoryparams, |
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|
886 self._advisoryparams, self._data, self.mandatory) |
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|
887 |
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|
888 # methods used to defines the part content |
27879
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|
889 @property |
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|
890 def data(self): |
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|
891 return self._data |
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|
892 |
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|
893 @data.setter |
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|
894 def data(self, data): |
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|
895 if self._generated is not None: |
21618
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|
896 raise error.ReadOnlyPartError('part is being generated') |
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|
897 self._data = data |
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|
898 |
21605
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|
899 @property |
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900 def mandatoryparams(self): |
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901 # make it an immutable tuple to force people through ``addparam`` |
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|
902 return tuple(self._mandatoryparams) |
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903 |
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|
904 @property |
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|
905 def advisoryparams(self): |
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|
906 # make it an immutable tuple to force people through ``addparam`` |
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|
907 return tuple(self._advisoryparams) |
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|
908 |
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|
909 def addparam(self, name, value='', mandatory=True): |
31861
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diff
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|
910 """add a parameter to the part |
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|
911 |
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|
912 If 'mandatory' is set to True, the remote handler must claim support |
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diff
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|
913 for this parameter or the unbundling will be aborted. |
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|
914 |
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|
915 The 'name' and 'value' cannot exceed 255 bytes each. |
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|
916 """ |
21605
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diff
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|
917 if self._generated is not None: |
21618
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diff
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|
918 raise error.ReadOnlyPartError('part is being generated') |
21607
054fa5176fa7
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diff
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|
919 if name in self._seenparams: |
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diff
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|
920 raise ValueError('duplicated params: %s' % name) |
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diff
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|
921 self._seenparams.add(name) |
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|
922 params = self._advisoryparams |
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|
923 if mandatory: |
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|
924 params = self._mandatoryparams |
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|
925 params.append((name, value)) |
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|
926 |
21601
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diff
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|
927 # methods used to generates the bundle2 stream |
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diff
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|
928 def getchunks(self, ui): |
21601
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parents:
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diff
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|
929 if self._generated is not None: |
31647 | 930 raise error.ProgrammingError('part can only be consumed once') |
21601
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diff
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|
931 self._generated = False |
25323
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diff
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|
932 |
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|
933 if ui.debugflag: |
21a25fb81d2c
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diff
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|
934 msg = ['bundle2-output-part: "%s"' % self.type] |
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diff
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|
935 if not self.mandatory: |
21a25fb81d2c
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diff
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|
936 msg.append(' (advisory)') |
21a25fb81d2c
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diff
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|
937 nbmp = len(self.mandatoryparams) |
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diff
changeset
|
938 nbap = len(self.advisoryparams) |
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diff
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|
939 if nbmp or nbap: |
21a25fb81d2c
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diff
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|
940 msg.append(' (params:') |
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diff
changeset
|
941 if nbmp: |
21a25fb81d2c
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diff
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|
942 msg.append(' %i mandatory' % nbmp) |
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diff
changeset
|
943 if nbap: |
21a25fb81d2c
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diff
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|
944 msg.append(' %i advisory' % nbmp) |
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diff
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|
945 msg.append(')') |
21a25fb81d2c
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diff
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|
946 if not self.data: |
21a25fb81d2c
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diff
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|
947 msg.append(' empty payload') |
21a25fb81d2c
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diff
changeset
|
948 elif util.safehasattr(self.data, 'next'): |
21a25fb81d2c
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diff
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|
949 msg.append(' streamed payload') |
21a25fb81d2c
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diff
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|
950 else: |
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diff
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|
951 msg.append(' %i bytes payload' % len(self.data)) |
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diff
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|
952 msg.append('\n') |
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diff
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|
953 ui.debug(''.join(msg)) |
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diff
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|
954 |
20877
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diff
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|
955 #### header |
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|
956 if self.mandatory: |
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|
957 parttype = self.type.upper() |
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|
958 else: |
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diff
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|
959 parttype = self.type.lower() |
25321
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diff
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|
960 outdebug(ui, 'part %s: "%s"' % (self.id, parttype)) |
20877
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|
961 ## parttype |
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diff
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|
962 header = [_pack(_fparttypesize, len(parttype)), |
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Eric Sumner <ericsumner@fb.com>
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|
963 parttype, _pack(_fpartid, self.id), |
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|
964 ] |
20877
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|
965 ## parameters |
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|
966 # count |
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|
967 manpar = self.mandatoryparams |
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|
968 advpar = self.advisoryparams |
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|
969 header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
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|
970 # size |
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|
971 parsizes = [] |
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|
972 for key, value in manpar: |
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|
973 parsizes.append(len(key)) |
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|
974 parsizes.append(len(value)) |
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|
975 for key, value in advpar: |
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diff
changeset
|
976 parsizes.append(len(key)) |
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977 parsizes.append(len(value)) |
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978 paramsizes = _pack(_makefpartparamsizes(len(parsizes) / 2), *parsizes) |
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diff
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|
979 header.append(paramsizes) |
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|
980 # key, value |
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diff
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|
981 for key, value in manpar: |
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|
982 header.append(key) |
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|
983 header.append(value) |
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diff
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|
984 for key, value in advpar: |
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diff
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|
985 header.append(key) |
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diff
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|
986 header.append(value) |
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|
987 ## finalize header |
20856
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|
988 headerchunk = ''.join(header) |
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989 outdebug(ui, 'header chunk size: %i' % len(headerchunk)) |
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diff
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|
990 yield _pack(_fpartheadersize, len(headerchunk)) |
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diff
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|
991 yield headerchunk |
20877
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992 ## payload |
23067
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993 try: |
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|
994 for chunk in self._payloadchunks(): |
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|
995 outdebug(ui, 'payload chunk size: %i' % len(chunk)) |
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996 yield _pack(_fpayloadsize, len(chunk)) |
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|
997 yield chunk |
26144
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diff
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|
998 except GeneratorExit: |
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|
999 # GeneratorExit means that nobody is listening for our |
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1000 # results anyway, so just bail quickly rather than trying |
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1001 # to produce an error part. |
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Augie Fackler <augie@google.com>
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|
1002 ui.debug('bundle2-generatorexit\n') |
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|
1003 raise |
25660
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Gregory Szorc <gregory.szorc@gmail.com>
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1004 except BaseException as exc: |
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1005 # backup exception data for later |
25324
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1006 ui.debug('bundle2-input-stream-interrupt: encoding exception %s' |
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1007 % exc) |
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1008 tb = sys.exc_info()[2] |
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1009 msg = 'unexpected error: %s' % exc |
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1010 interpart = bundlepart('error:abort', [('message', msg)], |
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1011 mandatory=False) |
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1012 interpart.id = 0 |
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1013 yield _pack(_fpayloadsize, -1) |
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1014 for chunk in interpart.getchunks(ui=ui): |
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1015 yield chunk |
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1016 outdebug(ui, 'closing payload chunk') |
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1017 # abort current part payload |
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1018 yield _pack(_fpayloadsize, 0) |
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1019 pycompat.raisewithtb(exc, tb) |
21000
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1020 # end of payload |
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1021 outdebug(ui, 'closing payload chunk') |
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1022 yield _pack(_fpayloadsize, 0) |
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1023 self._generated = True |
21000
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1024 |
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1025 def _payloadchunks(self): |
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1026 """yield chunks of a the part payload |
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1027 |
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1028 Exists to handle the different methods to provide data to a part.""" |
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1029 # we only support fixed size data now. |
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1030 # This will be improved in the future. |
21001
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1031 if util.safehasattr(self.data, 'next'): |
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1032 buff = util.chunkbuffer(self.data) |
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1033 chunk = buff.read(preferedchunksize) |
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1034 while chunk: |
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1035 yield chunk |
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|
1036 chunk = buff.read(preferedchunksize) |
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1037 elif len(self.data): |
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1038 yield self.data |
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|
1039 |
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1040 |
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1041 flaginterrupt = -1 |
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1042 |
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|
1043 class interrupthandler(unpackermixin): |
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1044 """read one part and process it with restricted capability |
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1045 |
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1046 This allows to transmit exception raised on the producer size during part |
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1047 iteration while the consumer is reading a part. |
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1048 |
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1049 Part processed in this manner only have access to a ui object,""" |
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|
1050 |
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1051 def __init__(self, ui, fp): |
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1052 super(interrupthandler, self).__init__(fp) |
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1053 self.ui = ui |
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1054 |
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|
1055 def _readpartheader(self): |
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1056 """reads a part header size and return the bytes blob |
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|
1057 |
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1058 returns None if empty""" |
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|
1059 headersize = self._unpack(_fpartheadersize)[0] |
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1060 if headersize < 0: |
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1061 raise error.BundleValueError('negative part header size: %i' |
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|
1062 % headersize) |
25318
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|
1063 indebug(self.ui, 'part header size: %i\n' % headersize) |
23066
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1064 if headersize: |
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1065 return self._readexact(headersize) |
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1066 return None |
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|
1067 |
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|
1068 def __call__(self): |
25335
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1069 |
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1070 self.ui.debug('bundle2-input-stream-interrupt:' |
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|
1071 ' opening out of band context\n') |
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|
1072 indebug(self.ui, 'bundle2 stream interruption, looking for a part.') |
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1073 headerblock = self._readpartheader() |
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|
1074 if headerblock is None: |
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|
1075 indebug(self.ui, 'no part found during interruption.') |
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1076 return |
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|
1077 part = unbundlepart(self.ui, headerblock, self._fp) |
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1078 op = interruptoperation(self.ui) |
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|
1079 _processpart(op, part) |
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1080 self.ui.debug('bundle2-input-stream-interrupt:' |
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|
1081 ' closing out of band context\n') |
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1082 |
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|
1083 class interruptoperation(object): |
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|
1084 """A limited operation to be use by part handler during interruption |
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|
1085 |
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|
1086 It only have access to an ui object. |
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1087 """ |
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1088 |
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1089 def __init__(self, ui): |
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1090 self.ui = ui |
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1091 self.reply = None |
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1092 self.captureoutput = False |
23066
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1093 |
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1094 @property |
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1095 def repo(self): |
31647 | 1096 raise error.ProgrammingError('no repo access from stream interruption') |
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1097 |
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1098 def gettransaction(self): |
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1099 raise TransactionUnavailable('no repo access from stream interruption') |
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1100 |
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1101 class unbundlepart(unpackermixin): |
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1102 """a bundle part read from a bundle""" |
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1103 |
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1104 def __init__(self, ui, header, fp): |
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1105 super(unbundlepart, self).__init__(fp) |
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1106 self._seekable = (util.safehasattr(fp, 'seek') and |
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1107 util.safehasattr(fp, 'tell')) |
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1108 self.ui = ui |
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1109 # unbundle state attr |
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1110 self._headerdata = header |
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1111 self._headeroffset = 0 |
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1112 self._initialized = False |
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1113 self.consumed = False |
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1114 # part data |
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1115 self.id = None |
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1116 self.type = None |
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1117 self.mandatoryparams = None |
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1118 self.advisoryparams = None |
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1119 self.params = None |
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1120 self.mandatorykeys = () |
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1121 self._payloadstream = None |
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1122 self._readheader() |
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1123 self._mandatory = None |
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1124 self._chunkindex = [] #(payload, file) position tuples for chunk starts |
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1125 self._pos = 0 |
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1126 |
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1127 def _fromheader(self, size): |
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1128 """return the next <size> byte from the header""" |
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1129 offset = self._headeroffset |
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1130 data = self._headerdata[offset:(offset + size)] |
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1131 self._headeroffset = offset + size |
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1132 return data |
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1133 |
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1134 def _unpackheader(self, format): |
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1135 """read given format from header |
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1136 |
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1137 This automatically compute the size of the format to read.""" |
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1138 data = self._fromheader(struct.calcsize(format)) |
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1139 return _unpack(format, data) |
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1140 |
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1141 def _initparams(self, mandatoryparams, advisoryparams): |
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1142 """internal function to setup all logic related parameters""" |
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1143 # make it read only to prevent people touching it by mistake. |
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1144 self.mandatoryparams = tuple(mandatoryparams) |
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1145 self.advisoryparams = tuple(advisoryparams) |
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1146 # user friendly UI |
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1147 self.params = util.sortdict(self.mandatoryparams) |
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1148 self.params.update(self.advisoryparams) |
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1149 self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
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1150 |
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1151 def _payloadchunks(self, chunknum=0): |
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1152 '''seek to specified chunk and start yielding data''' |
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1153 if len(self._chunkindex) == 0: |
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1154 assert chunknum == 0, 'Must start with chunk 0' |
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1155 self._chunkindex.append((0, self._tellfp())) |
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1156 else: |
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1157 assert chunknum < len(self._chunkindex), \ |
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1158 'Unknown chunk %d' % chunknum |
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1159 self._seekfp(self._chunkindex[chunknum][1]) |
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1160 |
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1161 pos = self._chunkindex[chunknum][0] |
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1162 payloadsize = self._unpack(_fpayloadsize)[0] |
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1163 indebug(self.ui, 'payload chunk size: %i' % payloadsize) |
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1164 while payloadsize: |
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1165 if payloadsize == flaginterrupt: |
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1166 # interruption detection, the handler will now read a |
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1167 # single part and process it. |
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1168 interrupthandler(self.ui, self._fp)() |
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1169 elif payloadsize < 0: |
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1170 msg = 'negative payload chunk size: %i' % payloadsize |
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1171 raise error.BundleValueError(msg) |
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1172 else: |
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1173 result = self._readexact(payloadsize) |
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1174 chunknum += 1 |
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1175 pos += payloadsize |
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1176 if chunknum == len(self._chunkindex): |
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1177 self._chunkindex.append((pos, self._tellfp())) |
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1178 yield result |
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1179 payloadsize = self._unpack(_fpayloadsize)[0] |
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1180 indebug(self.ui, 'payload chunk size: %i' % payloadsize) |
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1181 |
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1182 def _findchunk(self, pos): |
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1183 '''for a given payload position, return a chunk number and offset''' |
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1184 for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
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1185 if ppos == pos: |
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1186 return chunk, 0 |
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1187 elif ppos > pos: |
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1188 return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
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1189 raise ValueError('Unknown chunk') |
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1190 |
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1191 def _readheader(self): |
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1192 """read the header and setup the object""" |
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1193 typesize = self._unpackheader(_fparttypesize)[0] |
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1194 self.type = self._fromheader(typesize) |
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1195 indebug(self.ui, 'part type: "%s"' % self.type) |
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1196 self.id = self._unpackheader(_fpartid)[0] |
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1197 indebug(self.ui, 'part id: "%s"' % self.id) |
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1198 # extract mandatory bit from type |
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1199 self.mandatory = (self.type != self.type.lower()) |
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1200 self.type = self.type.lower() |
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1201 ## reading parameters |
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1202 # param count |
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1203 mancount, advcount = self._unpackheader(_fpartparamcount) |
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1204 indebug(self.ui, 'part parameters: %i' % (mancount + advcount)) |
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1205 # param size |
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1206 fparamsizes = _makefpartparamsizes(mancount + advcount) |
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1207 paramsizes = self._unpackheader(fparamsizes) |
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1208 # make it a list of couple again |
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1209 paramsizes = zip(paramsizes[::2], paramsizes[1::2]) |
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1210 # split mandatory from advisory |
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1211 mansizes = paramsizes[:mancount] |
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1212 advsizes = paramsizes[mancount:] |
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1213 # retrieve param value |
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1214 manparams = [] |
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1215 for key, value in mansizes: |
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1216 manparams.append((self._fromheader(key), self._fromheader(value))) |
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1217 advparams = [] |
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1218 for key, value in advsizes: |
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1219 advparams.append((self._fromheader(key), self._fromheader(value))) |
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3cb96ca90c17
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1220 self._initparams(manparams, advparams) |
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1221 ## part payload |
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1222 self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
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1223 # we read the data, tell it |
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1224 self._initialized = True |
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1225 |
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1226 def read(self, size=None): |
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1227 """read payload data""" |
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1228 if not self._initialized: |
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1229 self._readheader() |
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1230 if size is None: |
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1231 data = self._payloadstream.read() |
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1232 else: |
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1233 data = self._payloadstream.read(size) |
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1234 self._pos += len(data) |
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1235 if size is None or len(data) < size: |
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1236 if not self.consumed and self._pos: |
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1237 self.ui.debug('bundle2-input-part: total payload size %i\n' |
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1238 % self._pos) |
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1239 self.consumed = True |
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1240 return data |
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|
1241 |
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1242 def tell(self): |
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1243 return self._pos |
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1244 |
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1245 def seek(self, offset, whence=0): |
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1246 if whence == 0: |
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1247 newpos = offset |
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1248 elif whence == 1: |
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1249 newpos = self._pos + offset |
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1250 elif whence == 2: |
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1251 if not self.consumed: |
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1252 self.read() |
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1253 newpos = self._chunkindex[-1][0] - offset |
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1254 else: |
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1255 raise ValueError('Unknown whence value: %r' % (whence,)) |
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1256 |
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1257 if newpos > self._chunkindex[-1][0] and not self.consumed: |
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1258 self.read() |
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1259 if not 0 <= newpos <= self._chunkindex[-1][0]: |
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1260 raise ValueError('Offset out of range') |
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1261 |
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1262 if self._pos != newpos: |
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1263 chunk, internaloffset = self._findchunk(newpos) |
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1264 self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
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1265 adjust = self.read(internaloffset) |
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|
1266 if len(adjust) != internaloffset: |
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|
1267 raise error.Abort(_('Seek failed\n')) |
24037
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1268 self._pos = newpos |
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1269 |
31889
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1270 def _seekfp(self, offset, whence=0): |
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1271 """move the underlying file pointer |
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1272 |
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1273 This method is meant for internal usage by the bundle2 protocol only. |
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1274 They directly manipulate the low level stream including bundle2 level |
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1275 instruction. |
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1276 |
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1277 Do not use it to implement higher-level logic or methods.""" |
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1278 if self._seekable: |
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1279 return self._fp.seek(offset, whence) |
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1280 else: |
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1281 raise NotImplementedError(_('File pointer is not seekable')) |
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1282 |
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1283 def _tellfp(self): |
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1284 """return the file offset, or None if file is not seekable |
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1285 |
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1286 This method is meant for internal usage by the bundle2 protocol only. |
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1287 They directly manipulate the low level stream including bundle2 level |
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1288 instruction. |
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1289 |
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|
1290 Do not use it to implement higher-level logic or methods.""" |
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1291 if self._seekable: |
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1292 try: |
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1293 return self._fp.tell() |
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1294 except IOError as e: |
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1295 if e.errno == errno.ESPIPE: |
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1296 self._seekable = False |
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1297 else: |
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1298 raise |
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1299 return None |
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1300 |
25317
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1301 # These are only the static capabilities. |
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1302 # Check the 'getrepocaps' function for the rest. |
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1303 capabilities = {'HG20': (), |
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1304 'error': ('abort', 'unsupportedcontent', 'pushraced', |
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1305 'pushkey'), |
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1306 'listkeys': (), |
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1307 'pushkey': (), |
23029
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1308 'digests': tuple(sorted(util.DIGESTS.keys())), |
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1309 'remote-changegroup': ('http', 'https'), |
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1310 'hgtagsfnodes': (), |
22341
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1311 } |
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1312 |
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1313 def getrepocaps(repo, allowpushback=False): |
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1314 """return the bundle2 capabilities for a given repo |
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1315 |
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1316 Exists to allow extensions (like evolution) to mutate the capabilities. |
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1317 """ |
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1318 caps = capabilities.copy() |
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1319 caps['changegroup'] = tuple(sorted( |
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1320 changegroup.supportedincomingversions(repo))) |
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b1d694d3975e
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Durham Goode <durham@fb.com>
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1321 if obsolete.isenabled(repo, obsolete.exchangeopt): |
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1322 supportedformat = tuple('V%i' % v for v in obsolete.formats) |
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1323 caps['obsmarkers'] = supportedformat |
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1324 if allowpushback: |
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1325 caps['pushback'] = () |
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1326 return caps |
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1327 |
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1328 def bundle2caps(remote): |
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1329 """return the bundle capabilities of a peer as dict""" |
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1330 raw = remote.capable('bundle2') |
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1331 if not raw and raw != '': |
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1332 return {} |
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|
1333 capsblob = urlreq.unquote(remote.capable('bundle2')) |
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1334 return decodecaps(capsblob) |
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1335 |
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1336 def obsmarkersversion(caps): |
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1337 """extract the list of supported obsmarkers versions from a bundle2caps dict |
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1338 """ |
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1339 obscaps = caps.get('obsmarkers', ()) |
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1340 return [int(c[1:]) for c in obscaps if c.startswith('V')] |
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1341 |
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1342 def writenewbundle(ui, repo, source, filename, bundletype, outgoing, opts, |
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1343 vfs=None, compression=None, compopts=None): |
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1344 if bundletype.startswith('HG10'): |
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1345 cg = changegroup.getchangegroup(repo, source, outgoing, version='01') |
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1346 return writebundle(ui, cg, filename, bundletype, vfs=vfs, |
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1347 compression=compression, compopts=compopts) |
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1348 elif not bundletype.startswith('HG20'): |
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1349 raise error.ProgrammingError('unknown bundle type: %s' % bundletype) |
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1350 |
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1351 bundle = bundle20(ui) |
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1352 bundle.setcompression(compression, compopts) |
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1353 _addpartsfromopts(ui, repo, bundle, source, outgoing, opts) |
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1354 chunkiter = bundle.getchunks() |
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1355 |
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1356 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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1357 |
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1358 def _addpartsfromopts(ui, repo, bundler, source, outgoing, opts): |
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1359 # We should eventually reconcile this logic with the one behind |
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1360 # 'exchange.getbundle2partsgenerator'. |
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1361 # |
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1362 # The type of input from 'getbundle' and 'writenewbundle' are a bit |
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1363 # different right now. So we keep them separated for now for the sake of |
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1364 # simplicity. |
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1365 |
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1366 # we always want a changegroup in such bundle |
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1367 cgversion = opts.get('cg.version') |
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1368 if cgversion is None: |
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1369 cgversion = changegroup.safeversion(repo) |
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1370 cg = changegroup.getchangegroup(repo, source, outgoing, |
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1371 version=cgversion) |
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1372 part = bundler.newpart('changegroup', data=cg.getchunks()) |
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1373 part.addparam('version', cg.version) |
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1374 if 'clcount' in cg.extras: |
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1375 part.addparam('nbchanges', str(cg.extras['clcount']), |
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1376 mandatory=False) |
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1377 |
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1378 addparttagsfnodescache(repo, bundler, outgoing) |
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1379 |
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1380 def addparttagsfnodescache(repo, bundler, outgoing): |
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1381 # we include the tags fnode cache for the bundle changeset |
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1382 # (as an optional parts) |
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1383 cache = tags.hgtagsfnodescache(repo.unfiltered()) |
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1384 chunks = [] |
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1385 |
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1386 # .hgtags fnodes are only relevant for head changesets. While we could |
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1387 # transfer values for all known nodes, there will likely be little to |
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1388 # no benefit. |
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1389 # |
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1390 # We don't bother using a generator to produce output data because |
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1391 # a) we only have 40 bytes per head and even esoteric numbers of heads |
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1392 # consume little memory (1M heads is 40MB) b) we don't want to send the |
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1393 # part if we don't have entries and knowing if we have entries requires |
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1394 # cache lookups. |
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1395 for node in outgoing.missingheads: |
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1396 # Don't compute missing, as this may slow down serving. |
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1397 fnode = cache.getfnode(node, computemissing=False) |
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1398 if fnode is not None: |
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1399 chunks.extend([node, fnode]) |
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|
1400 |
6068712cbf03
bundle2: move tagsfnodecache generation in a generic function
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|
1401 if chunks: |
6068712cbf03
bundle2: move tagsfnodecache generation in a generic function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32221
diff
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|
1402 bundler.newpart('hgtagsfnodes', data=''.join(chunks)) |
6068712cbf03
bundle2: move tagsfnodecache generation in a generic function
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|
1403 |
30757
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1404 def writebundle(ui, cg, filename, bundletype, vfs=None, compression=None, |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1405 compopts=None): |
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diff
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|
1406 """Write a bundle file and return its filename. |
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|
1407 |
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diff
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|
1408 Existing files will not be overwritten. |
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diff
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|
1409 If no filename is specified, a temporary file is created. |
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diff
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|
1410 bz2 compression can be turned off. |
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diff
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|
1411 The bundle file will be deleted in case of errors. |
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diff
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|
1412 """ |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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|
1413 |
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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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|
1414 if bundletype == "HG20": |
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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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|
1415 bundle = bundle20(ui) |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
1416 bundle.setcompression(compression, compopts) |
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|
1417 part = bundle.newpart('changegroup', data=cg.getchunks()) |
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diff
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|
1418 part.addparam('version', cg.version) |
29593
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29591
diff
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|
1419 if 'clcount' in cg.extras: |
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
29591
diff
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|
1420 part.addparam('nbchanges', str(cg.extras['clcount']), |
953839de96ab
bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
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29591
diff
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|
1421 mandatory=False) |
28666
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|
1422 chunkiter = bundle.getchunks() |
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Martin von Zweigbergk <martinvonz@google.com>
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|
1423 else: |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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diff
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|
1424 # 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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|
1425 assert compression is None |
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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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|
1426 if cg.version != '01': |
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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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|
1427 raise error.Abort(_('old bundle types only supports v1 ' |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
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|
1428 'changegroups')) |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
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|
1429 header, comp = bundletypes[bundletype] |
30351
f81002f736d7
bundle2: use new compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30177
diff
changeset
|
1430 if comp not in util.compengines.supportedbundletypes: |
28666
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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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|
1431 raise error.Abort(_('unknown stream compression type: %s') |
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Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
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|
1432 % comp) |
30351
f81002f736d7
bundle2: use new compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30177
diff
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|
1433 compengine = util.compengines.forbundletype(comp) |
28666
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
changeset
|
1434 def chunkiter(): |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27953
diff
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|
1435 yield header |
30757
511a4bf52754
bundle2: allow compression options to be passed to compressor
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30439
diff
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|
1436 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
changeset
|
1437 yield chunk |
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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|
1438 chunkiter = chunkiter() |
ae53ecc47414
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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|
1439 |
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diff
changeset
|
1440 # parse the changegroup data, otherwise we will block |
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1441 # in case of sshrepo because we don't know the end of the stream |
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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
changeset
|
1442 return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
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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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|
1443 |
27734
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1444 @parthandler('changegroup', ('version', 'nbchanges', 'treemanifest')) |
20998
93a3c5b58635
bundle2: use reply part to return result of addchangegroup
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20997
diff
changeset
|
1445 def handlechangegroup(op, inpart): |
20950
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
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parents:
20949
diff
changeset
|
1446 """apply a changegroup part on the repo |
c7ceae0faf69
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1447 |
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1448 This is a very early implementation that will massive rework before being |
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
1449 inflicted to any end-user. |
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20949
diff
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|
1450 """ |
20952
b24ee5076b94
bundle2: make it possible have a global transaction for the unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20950
diff
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|
1451 # Make sure we trigger a transaction creation |
b24ee5076b94
bundle2: make it possible have a global transaction for the unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1452 # |
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bundle2: make it possible have a global transaction for the unbundling
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parents:
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diff
changeset
|
1453 # The addchangegroup function will get a transaction object by itself, but |
b24ee5076b94
bundle2: make it possible have a global transaction for the unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20950
diff
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|
1454 # we need to make sure we trigger the creation of a transaction object used |
b24ee5076b94
bundle2: make it possible have a global transaction for the unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
1455 # for the whole processing scope. |
b24ee5076b94
bundle2: make it possible have a global transaction for the unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20950
diff
changeset
|
1456 op.gettransaction() |
23170
02e8f9b60052
bundle2: support a "version" argument in `changegroup` part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23169
diff
changeset
|
1457 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
|
1458 # We should raise an appropriate exception here |
27751
a40e2f7fe49d
changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents:
27734
diff
changeset
|
1459 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:
22953
diff
changeset
|
1460 # the source and url passed here are overwritten by the one contained in |
4df9b5e62f70
bundle2: add a comment about addchangegroup source and url
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22953
diff
changeset
|
1461 # the transaction.hookargs argument. So 'bundle2' is a placeholder |
25518
ca656f3dffd7
bundle2: provide number of changesets information to 'addchangegroup'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25507
diff
changeset
|
1462 nbchangesets = None |
ca656f3dffd7
bundle2: provide number of changesets information to 'addchangegroup'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25507
diff
changeset
|
1463 if 'nbchanges' in inpart.params: |
ca656f3dffd7
bundle2: provide number of changesets information to 'addchangegroup'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25507
diff
changeset
|
1464 nbchangesets = int(inpart.params.get('nbchanges')) |
27734
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
1465 if ('treemanifest' in inpart.params and |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1466 'treemanifest' not in op.repo.requirements): |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1467 if len(op.repo.changelog) != 0: |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
26829
diff
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|
1468 raise error.Abort(_( |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
26829
diff
changeset
|
1469 "bundle contains tree manifests, but local repo is " |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
26829
diff
changeset
|
1470 "non-empty and does not use tree manifests")) |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
1471 op.repo.requirements.add('treemanifest') |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
1472 op.repo._applyopenerreqs() |
5c0fd878779c
treemanifests: set bundle2 part parameter indicating treemanifest
Martin von Zweigbergk <martinvonz@google.com>
parents:
26829
diff
changeset
|
1473 op.repo._writerequirements() |
26698
c94cdeeb586a
bundle2: use cg?unpacker.apply() instead of changegroup.addchangegroup()
Augie Fackler <augie@google.com>
parents:
26685
diff
changeset
|
1474 ret = cg.apply(op.repo, 'bundle2', 'bundle2', expectedtotal=nbchangesets) |
20950
c7ceae0faf69
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1475 op.records.add('changegroup', {'return': ret}) |
20998
93a3c5b58635
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20997
diff
changeset
|
1476 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
|
1477 # 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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20997
diff
changeset
|
1478 # 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:
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diff
changeset
|
1479 part = op.reply.newpart('reply:changegroup', mandatory=False) |
21606
e55888447958
bundle2: update part creators to ``addparam`` when relevant
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21605
diff
changeset
|
1480 part.addparam('in-reply-to', str(inpart.id), mandatory=False) |
e55888447958
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21605
diff
changeset
|
1481 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
|
1482 assert not inpart.read() |
20950
c7ceae0faf69
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
1483 |
23029
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1484 _remotechangegroupparams = tuple(['url', 'size', 'digests'] + |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1485 ['digest:%s' % k for k in util.DIGESTS.keys()]) |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
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24648
diff
changeset
|
1486 @parthandler('remote-changegroup', _remotechangegroupparams) |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
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|
1487 def handleremotechangegroup(op, inpart): |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1488 """apply a bundle10 on the repo, given an url and validation information |
149fc8a44184
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diff
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|
1489 |
149fc8a44184
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Mike Hommey <mh@glandium.org>
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23011
diff
changeset
|
1490 All the information about the remote bundle to import are given as |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1491 parameters. The parameters include: |
149fc8a44184
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Mike Hommey <mh@glandium.org>
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23011
diff
changeset
|
1492 - url: the url to the bundle10. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1493 - size: the bundle10 file size. It is used to validate what was |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1494 retrieved by the client matches the server knowledge about the bundle. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1495 - digests: a space separated list of the digest types provided as |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1496 parameters. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1497 - digest:<digest-type>: the hexadecimal representation of the digest with |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1498 that name. Like the size, it is used to validate what was retrieved by |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1499 the client matches what the server knows about the bundle. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1500 |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1501 When multiple digest types are given, all of them are checked. |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1502 """ |
149fc8a44184
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1503 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1504 raw_url = inpart.params['url'] |
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Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1505 except KeyError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1506 raise error.Abort(_('remote-changegroup: missing "%s" param') % 'url') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1507 parsed_url = util.url(raw_url) |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1508 if parsed_url.scheme not in capabilities['remote-changegroup']: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1509 raise error.Abort(_('remote-changegroup does not support %s urls') % |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1510 parsed_url.scheme) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1511 |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1512 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1513 size = int(inpart.params['size']) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1514 except ValueError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1515 raise error.Abort(_('remote-changegroup: invalid value for param "%s"') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1516 % 'size') |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1517 except KeyError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1518 raise error.Abort(_('remote-changegroup: missing "%s" param') % 'size') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1519 |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1520 digests = {} |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1521 for typ in inpart.params.get('digests', '').split(): |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1522 param = 'digest:%s' % typ |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1523 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1524 value = inpart.params[param] |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1525 except KeyError: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1526 raise error.Abort(_('remote-changegroup: missing "%s" param') % |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1527 param) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1528 digests[typ] = value |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1529 |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1530 real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1531 |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1532 # Make sure we trigger a transaction creation |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1533 # |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1534 # The addchangegroup function will get a transaction object by itself, but |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1535 # we need to make sure we trigger the creation of a transaction object used |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1536 # for the whole processing scope. |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1537 op.gettransaction() |
25919
8221fefaea08
bundle2: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
1538 from . import exchange |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1539 cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1540 if not isinstance(cg, changegroup.cg1unpacker): |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1541 raise error.Abort(_('%s: not a bundle version 1.0') % |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1542 util.hidepassword(raw_url)) |
26698
c94cdeeb586a
bundle2: use cg?unpacker.apply() instead of changegroup.addchangegroup()
Augie Fackler <augie@google.com>
parents:
26685
diff
changeset
|
1543 ret = cg.apply(op.repo, 'bundle2', 'bundle2') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1544 op.records.add('changegroup', {'return': ret}) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1545 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
|
1546 # This is definitely not the final form of this |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1547 # 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
|
1548 part = op.reply.newpart('reply:changegroup') |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1549 part.addparam('in-reply-to', str(inpart.id), mandatory=False) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1550 part.addparam('return', '%i' % ret, mandatory=False) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1551 try: |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1552 real_part.validate() |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1553 except error.Abort as e: |
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26565
diff
changeset
|
1554 raise error.Abort(_('bundle at %s is corrupted:\n%s') % |
23029
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1555 (util.hidepassword(raw_url), str(e))) |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1556 assert not inpart.read() |
149fc8a44184
bundle2: client side support for a part to import external bundles
Mike Hommey <mh@glandium.org>
parents:
23011
diff
changeset
|
1557 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1558 @parthandler('reply:changegroup', ('return', 'in-reply-to')) |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
1559 def handlereplychangegroup(op, inpart): |
21611
71b7b3f79a3c
bundle2: use the new ``part.params`` dictionary
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21610
diff
changeset
|
1560 ret = int(inpart.params['return']) |
71b7b3f79a3c
bundle2: use the new ``part.params`` dictionary
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21610
diff
changeset
|
1561 replyto = int(inpart.params['in-reply-to']) |
71b7b3f79a3c
bundle2: use the new ``part.params`` dictionary
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21610
diff
changeset
|
1562 op.records.add('changegroup', {'return': ret}, replyto) |
20950
c7ceae0faf69
bundle2: first crude version of bundling changeset with bundle2
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20949
diff
changeset
|
1563 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1564 @parthandler('check:heads') |
22548
8a1ae133770a
bundle2: rename functions that have the same name
Mike Hommey <mh@glandium.org>
parents:
22390
diff
changeset
|
1565 def handlecheckheads(op, inpart): |
21060
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1566 """check that head of the repo did not change |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1567 |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1568 This is used to detect a push race when using unbundle. |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1569 This replaces the "heads" argument of unbundle.""" |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1570 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1571 heads = [] |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1572 while len(h) == 20: |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1573 heads.append(h) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1574 h = inpart.read(20) |
0bea9db7543b
bundle2: add a "check:heads" handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21024
diff
changeset
|
1575 assert not h |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
1576 # Trigger a transaction so that we are guaranteed to have the lock now. |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
1577 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
|
1578 op.gettransaction() |
29294
077d0535f51f
bundle2: don't assume ordering of heads checked after push
Mads Kiilerich <madski@unity3d.com>
parents:
28883
diff
changeset
|
1579 if sorted(heads) != sorted(op.repo.heads()): |
21185
5b3717e1a3ea
bundle2: add an error message to push race error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21184
diff
changeset
|
1580 raise error.PushRaced('repository changed while pushing - ' |
5b3717e1a3ea
bundle2: add an error message to push race error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21184
diff
changeset
|
1581 'please try again') |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
1582 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1583 @parthandler('output') |
21131
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
changeset
|
1584 def handleoutput(op, inpart): |
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
changeset
|
1585 """forward output captured on the server to the client""" |
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
changeset
|
1586 for line in inpart.read().splitlines(): |
29851
ccd436f7db6d
bundle2: localize handleoutput remote prompts
Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
parents:
29847
diff
changeset
|
1587 op.ui.status(_('remote: %s\n') % line) |
21131
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
changeset
|
1588 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1589 @parthandler('replycaps') |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
1590 def handlereplycaps(op, inpart): |
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
1591 """Notify that a reply bundle should be created |
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
1592 |
21138
f469879d27ec
bundle2: extract capabilities decoding
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21137
diff
changeset
|
1593 The payload contains the capabilities information for the reply""" |
f469879d27ec
bundle2: extract capabilities decoding
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21137
diff
changeset
|
1594 caps = decodecaps(inpart.read()) |
21130
1ff06386217f
bundle2: introduce `replycaps` part for on-demand reply
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21129
diff
changeset
|
1595 if op.reply is None: |
21135
98fbf3adfd83
bundle2: add capabilities support in `replycaps` part
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21134
diff
changeset
|
1596 op.reply = bundle20(op.ui, caps) |
21131
b7435117d951
bundle2: capture remote stdout while unbundling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21130
diff
changeset
|
1597 |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
1598 class AbortFromPart(error.Abort): |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
1599 """Sub-class of Abort that denotes an error from a bundle2 part.""" |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
1600 |
24686
e0e28e910fa3
bundle2: rename format, parts and config to final names
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1601 @parthandler('error:abort', ('message', 'hint')) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
1602 def handleerrorabort(op, inpart): |
21177
952af771bc17
bundle2: gracefully handle abort during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21176
diff
changeset
|
1603 """Used to transmit abort error over the wire""" |
26829
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
1604 raise AbortFromPart(inpart.params['message'], |
58f1645f72c3
bundle2: attribute remote failures to remote (issue4788)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26802
diff
changeset
|
1605 hint=inpart.params.get('hint')) |
21183
4345274adc4b
bundle2: gracefully handle UnknownPartError during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21179
diff
changeset
|
1606 |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1607 @parthandler('error:pushkey', ('namespace', 'key', 'new', 'old', 'ret', |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1608 'in-reply-to')) |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1609 def handleerrorpushkey(op, inpart): |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1610 """Used to transmit failure of a mandatory pushkey over the wire""" |
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parents:
25492
diff
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|
1611 kwargs = {} |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1612 for name in ('namespace', 'key', 'new', 'old', 'ret'): |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
changeset
|
1613 value = inpart.params.get(name) |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
1614 if value is not None: |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
1615 kwargs[name] = value |
d8e7b0781ad7
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parents:
25492
diff
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|
1616 raise error.PushkeyFailed(inpart.params['in-reply-to'], **kwargs) |
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25492
diff
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|
1617 |
24686
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
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|
1618 @parthandler('error:unsupportedcontent', ('parttype', 'params')) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
1619 def handleerrorunsupportedcontent(op, inpart): |
21619
292331e906d7
bundle2: rename b2x:error:unknownpart to b2x:error:unsupportedcontent
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21618
diff
changeset
|
1620 """Used to transmit unknown content error over the wire""" |
21622
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
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|
1621 kwargs = {} |
21627
3e8bcc90f07c
bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21626
diff
changeset
|
1622 parttype = inpart.params.get('parttype') |
3e8bcc90f07c
bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21626
diff
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|
1623 if parttype is not None: |
3e8bcc90f07c
bundle2: support None parttype in BundleValueError
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21626
diff
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|
1624 kwargs['parttype'] = parttype |
21622
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
changeset
|
1625 params = inpart.params.get('params') |
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
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|
1626 if params is not None: |
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
changeset
|
1627 kwargs['params'] = params.split('\0') |
457492741007
bundle2: support transmission of params error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21620
diff
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|
1628 |
26393
cff70549a959
bundle2: rename error exception class for unsupported feature
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26269
diff
changeset
|
1629 raise error.BundleUnknownFeatureError(**kwargs) |
21186
9f3652e851f8
bundle2: gracefully handle PushRaced error during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21185
diff
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|
1630 |
24686
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parents:
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diff
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|
1631 @parthandler('error:pushraced', ('message',)) |
24741
bb67e52362d6
bundle2: fix names for error part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24733
diff
changeset
|
1632 def handleerrorpushraced(op, inpart): |
21186
9f3652e851f8
bundle2: gracefully handle PushRaced error during unbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21185
diff
changeset
|
1633 """Used to transmit push race error over the wire""" |
21611
71b7b3f79a3c
bundle2: use the new ``part.params`` dictionary
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21610
diff
changeset
|
1634 raise error.ResponseError(_('push failed:'), inpart.params['message']) |
21655
35095f332846
bundle: introduce a listkey handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21644
diff
changeset
|
1635 |
24686
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diff
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|
1636 @parthandler('listkeys', ('namespace',)) |
21655
35095f332846
bundle: introduce a listkey handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21644
diff
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|
1637 def handlelistkeys(op, inpart): |
35095f332846
bundle: introduce a listkey handler
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parents:
21644
diff
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|
1638 """retrieve pushkey namespace content stored in a bundle2""" |
35095f332846
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parents:
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diff
changeset
|
1639 namespace = inpart.params['namespace'] |
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parents:
21644
diff
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|
1640 r = pushkey.decodekeys(inpart.read()) |
35095f332846
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parents:
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diff
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|
1641 op.records.add('listkeys', (namespace, r)) |
21660
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parents:
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diff
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|
1642 |
24686
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|
1643 @parthandler('pushkey', ('namespace', 'key', 'old', 'new')) |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
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parents:
21655
diff
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|
1644 def handlepushkey(op, inpart): |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1645 """process a pushkey request""" |
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parents:
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diff
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|
1646 dec = pushkey.decode |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1647 namespace = dec(inpart.params['namespace']) |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1648 key = dec(inpart.params['key']) |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1649 old = dec(inpart.params['old']) |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1650 new = dec(inpart.params['new']) |
26565
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
1651 # Grab the transaction to ensure that we have the lock before performing the |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
1652 # pushkey. |
ee1bcb9aa6e4
bundle2: add op.gettransaction() to handlers that need the lock
Durham Goode <durham@fb.com>
parents:
26542
diff
changeset
|
1653 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
|
1654 op.gettransaction() |
21660
e87d2a12d41b
bundle2: add ``pushkey`` support
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parents:
21655
diff
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|
1655 ret = op.repo.pushkey(namespace, key, old, new) |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1656 record = {'namespace': namespace, |
e87d2a12d41b
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parents:
21655
diff
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|
1657 'key': key, |
e87d2a12d41b
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parents:
21655
diff
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|
1658 'old': old, |
e87d2a12d41b
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parents:
21655
diff
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|
1659 'new': new} |
e87d2a12d41b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
1660 op.records.add('pushkey', record) |
e87d2a12d41b
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parents:
21655
diff
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|
1661 if op.reply is not None: |
24686
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1662 rpart = op.reply.newpart('reply:pushkey') |
21660
e87d2a12d41b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
1663 rpart.addparam('in-reply-to', str(inpart.id), mandatory=False) |
e87d2a12d41b
bundle2: add ``pushkey`` support
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parents:
21655
diff
changeset
|
1664 rpart.addparam('return', '%i' % ret, mandatory=False) |
25481
6de96cb31176
bundle2: abort when a mandatory pushkey part fails
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25401
diff
changeset
|
1665 if inpart.mandatory and not ret: |
25484
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
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|
1666 kwargs = {} |
a5192774e925
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parents:
25481
diff
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|
1667 for key in ('namespace', 'key', 'new', 'old', 'ret'): |
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
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parents:
25481
diff
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|
1668 if key in inpart.params: |
a5192774e925
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
changeset
|
1669 kwargs[key] = inpart.params[key] |
a5192774e925
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25481
diff
changeset
|
1670 raise error.PushkeyFailed(partid=str(inpart.id), **kwargs) |
21660
e87d2a12d41b
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
1671 |
24686
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24648
diff
changeset
|
1672 @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
|
1673 def handlepushkeyreply(op, inpart): |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
1674 """retrieve the result of a pushkey request""" |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1675 ret = int(inpart.params['return']) |
e87d2a12d41b
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parents:
21655
diff
changeset
|
1676 partid = int(inpart.params['in-reply-to']) |
e87d2a12d41b
bundle2: add ``pushkey`` support
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21655
diff
changeset
|
1677 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
|
1678 |
24686
e0e28e910fa3
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1679 @parthandler('obsmarkers') |
22336
60786c8a2f70
bundle2: add an obsmarkers part handler
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21900
diff
changeset
|
1680 def handleobsmarker(op, inpart): |
60786c8a2f70
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parents:
21900
diff
changeset
|
1681 """add a stream of obsmarkers to the repo""" |
60786c8a2f70
bundle2: add an obsmarkers part handler
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parents:
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diff
changeset
|
1682 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
|
1683 markerdata = inpart.read() |
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
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parents:
24686
diff
changeset
|
1684 if op.ui.config('experimental', 'obsmarkers-exchange-debug', False): |
c00e4338fa4b
obsolete: experimental flag to get debug about obsmarkers exchange
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parents:
24686
diff
changeset
|
1685 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
|
1686 % 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
|
1687 # The mergemarkers call will crash if marker creation is not enabled. |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
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parents:
26587
diff
changeset
|
1688 # we want to avoid this if the part is advisory. |
ea390d889d3a
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
1689 if not inpart.mandatory and op.repo.obsstore.readonly: |
ea390d889d3a
bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26587
diff
changeset
|
1690 op.repo.ui.debug('ignoring obsolescence markers, feature not enabled') |
ea390d889d3a
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parents:
26587
diff
changeset
|
1691 return |
24733
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24686
diff
changeset
|
1692 new = op.repo.obsstore.mergemarkers(tr, markerdata) |
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
|
1693 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
|
1694 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
|
1695 op.records.add('obsmarkers', {'new': new}) |
22340
394a17de6a2d
obsmarker: produce a reply part for markers received through bundle2
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parents:
22338
diff
changeset
|
1696 if op.reply is not None: |
24686
e0e28e910fa3
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24648
diff
changeset
|
1697 rpart = op.reply.newpart('reply:obsmarkers') |
22340
394a17de6a2d
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parents:
22338
diff
changeset
|
1698 rpart.addparam('in-reply-to', str(inpart.id), 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
|
1699 rpart.addparam('new', '%i' % new, mandatory=False) |
394a17de6a2d
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parents:
22338
diff
changeset
|
1700 |
394a17de6a2d
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parents:
22338
diff
changeset
|
1701 |
24686
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
1702 @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
|
1703 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
|
1704 """retrieve the result of a pushkey request""" |
394a17de6a2d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
1705 ret = int(inpart.params['new']) |
394a17de6a2d
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22338
diff
changeset
|
1706 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
|
1707 op.records.add('obsmarkers', {'new': ret}, partid) |
25401
d29201352af7
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
1708 |
d29201352af7
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
|
1709 @parthandler('hgtagsfnodes') |
d29201352af7
bundle2: part handler for processing .hgtags fnodes mappings
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25336
diff
changeset
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1710 def handlehgtagsfnodes(op, inpart): |
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1711 """Applies .hgtags fnodes cache entries to the local repo. |
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1712 |
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1713 Payload is pairs of 20 byte changeset nodes and filenodes. |
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1714 """ |
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1715 # Grab the transaction so we ensure that we have the lock at this point. |
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1716 if op.ui.configbool('experimental', 'bundle2lazylocking'): |
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1717 op.gettransaction() |
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1718 cache = tags.hgtagsfnodescache(op.repo.unfiltered()) |
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1719 |
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1720 count = 0 |
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1721 while True: |
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1722 node = inpart.read(20) |
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1723 fnode = inpart.read(20) |
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1724 if len(node) < 20 or len(fnode) < 20: |
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1725 op.ui.debug('ignoring incomplete received .hgtags fnodes data\n') |
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1726 break |
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1727 cache.setfnode(node, fnode) |
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1728 count += 1 |
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1729 |
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1730 cache.write() |
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1731 op.ui.debug('applied %i hgtags fnodes cache entries\n' % count) |