Mercurial > hg
annotate hgext/convert/monotone.py @ 49810:a9faacdc5943
typing: add type hints to mercurial/win32.py
These are the low level functions that are imported by the mercurial.windows
module, which is in turn imported by mercurial.utils as the platform module.
Pretty straightforward, but pytype inferred very little of it, likely because of
the heavy ctypes usage. It also seems to trigger a pytype bug in procutil, now
that it has an idea of the underlying function type, so disable that warning to
maintain a working test.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Thu, 15 Dec 2022 18:02:55 -0500 |
parents | 176f1a0d15dc |
children | e63ab79b2fa1 |
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1 # monotone.py - monotone support for the convert extension |
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2 # |
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3 # Copyright 2008, 2009 Mikkel Fahnoe Jorgensen <mikkel@dvide.com> and |
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4 # others |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
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8 |
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9 import os |
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10 import re |
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11 |
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12 from mercurial.i18n import _ |
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13 from mercurial.pycompat import open |
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14 from mercurial import ( |
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15 error, |
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16 pycompat, |
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17 ) |
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18 from mercurial.utils import dateutil |
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19 |
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20 from . import common |
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21 |
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22 |
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23 class monotone_source(common.converter_source, common.commandline): |
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24 def __init__(self, ui, repotype, path=None, revs=None): |
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25 common.converter_source.__init__(self, ui, repotype, path, revs) |
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26 if revs and len(revs) > 1: |
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27 raise error.Abort( |
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28 _( |
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29 b'monotone source does not support specifying ' |
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30 b'multiple revs' |
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31 ) |
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32 ) |
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33 common.commandline.__init__(self, ui, b'mtn') |
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34 |
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35 self.ui = ui |
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36 self.path = path |
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37 self.automatestdio = False |
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38 self.revs = revs |
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39 |
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40 norepo = common.NoRepo( |
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41 _(b"%s does not look like a monotone repository") % path |
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42 ) |
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43 if not os.path.exists(os.path.join(path, b'_MTN')): |
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44 # Could be a monotone repository (SQLite db file) |
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45 try: |
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46 f = open(path, b'rb') |
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47 header = f.read(16) |
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48 f.close() |
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49 except IOError: |
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50 header = b'' |
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51 if header != b'SQLite format 3\x00': |
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52 raise norepo |
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53 |
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54 # regular expressions for parsing monotone output |
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55 space = br'\s*' |
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56 name = br'\s+"((?:\\"|[^"])*)"\s*' |
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57 value = name |
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58 revision = br'\s+\[(\w+)\]\s*' |
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59 lines = br'(?:.|\n)+' |
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60 |
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61 self.dir_re = re.compile(space + b"dir" + name) |
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62 self.file_re = re.compile( |
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63 space + b"file" + name + b"content" + revision |
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64 ) |
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65 self.add_file_re = re.compile( |
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66 space + b"add_file" + name + b"content" + revision |
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67 ) |
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68 self.patch_re = re.compile( |
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69 space + b"patch" + name + b"from" + revision + b"to" + revision |
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70 ) |
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71 self.rename_re = re.compile(space + b"rename" + name + b"to" + name) |
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72 self.delete_re = re.compile(space + b"delete" + name) |
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73 self.tag_re = re.compile(space + b"tag" + name + b"revision" + revision) |
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74 self.cert_re = re.compile( |
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75 lines + space + b"name" + name + b"value" + value |
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76 ) |
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77 |
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78 attr = space + b"file" + lines + space + b"attr" + space |
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79 self.attr_execute_re = re.compile( |
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80 attr + b'"mtn:execute"' + space + b'"true"' |
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81 ) |
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82 |
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83 # cached data |
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84 self.manifest_rev = None |
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85 self.manifest = None |
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86 self.files = None |
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87 self.dirs = None |
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88 |
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89 common.checktool(b'mtn', abort=False) |
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90 |
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91 def mtnrun(self, *args, **kwargs): |
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92 if self.automatestdio: |
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93 return self.mtnrunstdio(*args, **kwargs) |
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94 else: |
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95 return self.mtnrunsingle(*args, **kwargs) |
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96 |
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97 def mtnrunsingle(self, *args, **kwargs): |
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98 kwargs['d'] = self.path |
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99 return self.run0(b'automate', *args, **kwargs) |
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100 |
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101 def mtnrunstdio(self, *args, **kwargs): |
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102 # Prepare the command in automate stdio format |
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103 kwargs = pycompat.byteskwargs(kwargs) |
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104 command = [] |
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105 for k, v in kwargs.items(): |
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106 command.append(b"%d:%s" % (len(k), k)) |
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107 if v: |
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108 command.append(b"%d:%s" % (len(v), v)) |
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109 if command: |
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110 command.insert(0, b'o') |
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111 command.append(b'e') |
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112 |
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113 command.append(b'l') |
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114 for arg in args: |
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115 command.append(b"%d:%s" % (len(arg), arg)) |
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116 command.append(b'e') |
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117 command = b''.join(command) |
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118 |
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119 self.ui.debug(b"mtn: sending '%s'\n" % command) |
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120 self.mtnwritefp.write(command) |
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121 self.mtnwritefp.flush() |
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122 |
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123 return self.mtnstdioreadcommandoutput(command) |
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124 |
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125 def mtnstdioreadpacket(self): |
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126 read = None |
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127 commandnbr = b'' |
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128 while read != b':': |
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129 read = self.mtnreadfp.read(1) |
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130 if not read: |
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131 raise error.Abort(_(b'bad mtn packet - no end of commandnbr')) |
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132 commandnbr += read |
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133 commandnbr = commandnbr[:-1] |
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134 |
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135 stream = self.mtnreadfp.read(1) |
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136 if stream not in b'mewptl': |
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137 raise error.Abort( |
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138 _(b'bad mtn packet - bad stream type %s') % stream |
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139 ) |
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140 |
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141 read = self.mtnreadfp.read(1) |
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142 if read != b':': |
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143 raise error.Abort(_(b'bad mtn packet - no divider before size')) |
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144 |
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145 read = None |
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146 lengthstr = b'' |
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147 while read != b':': |
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148 read = self.mtnreadfp.read(1) |
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149 if not read: |
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150 raise error.Abort(_(b'bad mtn packet - no end of packet size')) |
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151 lengthstr += read |
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152 try: |
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153 length = int(lengthstr[:-1]) |
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154 except TypeError: |
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155 raise error.Abort( |
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156 _(b'bad mtn packet - bad packet size %s') % lengthstr |
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157 ) |
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158 |
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159 read = self.mtnreadfp.read(length) |
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160 if len(read) != length: |
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161 raise error.Abort( |
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162 _( |
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163 b"bad mtn packet - unable to read full packet " |
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164 b"read %s of %s" |
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165 ) |
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166 % (len(read), length) |
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167 ) |
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168 |
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169 return (commandnbr, stream, length, read) |
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170 |
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171 def mtnstdioreadcommandoutput(self, command): |
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172 retval = [] |
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173 while True: |
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174 commandnbr, stream, length, output = self.mtnstdioreadpacket() |
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175 self.ui.debug( |
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176 b'mtn: read packet %s:%s:%d\n' % (commandnbr, stream, length) |
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177 ) |
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178 |
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179 if stream == b'l': |
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180 # End of command |
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181 if output != b'0': |
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182 raise error.Abort( |
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183 _(b"mtn command '%s' returned %s") % (command, output) |
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184 ) |
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185 break |
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186 elif stream in b'ew': |
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187 # Error, warning output |
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188 self.ui.warn(_(b'%s error:\n') % self.command) |
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189 self.ui.warn(output) |
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190 elif stream == b'p': |
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191 # Progress messages |
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192 self.ui.debug(b'mtn: ' + output) |
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193 elif stream == b'm': |
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194 # Main stream - command output |
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195 retval.append(output) |
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196 |
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197 return b''.join(retval) |
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198 |
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199 def mtnloadmanifest(self, rev): |
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200 if self.manifest_rev == rev: |
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201 return |
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202 self.manifest = self.mtnrun(b"get_manifest_of", rev).split(b"\n\n") |
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203 self.manifest_rev = rev |
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204 self.files = {} |
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205 self.dirs = {} |
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206 |
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207 for e in self.manifest: |
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208 m = self.file_re.match(e) |
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209 if m: |
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210 attr = b"" |
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211 name = m.group(1) |
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212 node = m.group(2) |
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213 if self.attr_execute_re.match(e): |
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214 attr += b"x" |
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215 self.files[name] = (node, attr) |
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216 m = self.dir_re.match(e) |
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217 if m: |
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218 self.dirs[m.group(1)] = True |
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219 |
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220 def mtnisfile(self, name, rev): |
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221 # a non-file could be a directory or a deleted or renamed file |
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222 self.mtnloadmanifest(rev) |
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223 return name in self.files |
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224 |
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225 def mtnisdir(self, name, rev): |
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226 self.mtnloadmanifest(rev) |
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227 return name in self.dirs |
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228 |
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229 def mtngetcerts(self, rev): |
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230 certs = { |
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231 b"author": b"<missing>", |
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232 b"date": b"<missing>", |
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233 b"changelog": b"<missing>", |
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234 b"branch": b"<missing>", |
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235 } |
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236 certlist = self.mtnrun(b"certs", rev) |
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237 # mtn < 0.45: |
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238 # key "test@selenic.com" |
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239 # mtn >= 0.45: |
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240 # key [ff58a7ffb771907c4ff68995eada1c4da068d328] |
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241 certlist = re.split(br'\n\n {6}key ["\[]', certlist) |
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242 for e in certlist: |
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243 m = self.cert_re.match(e) |
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244 if m: |
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245 name, value = m.groups() |
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246 value = value.replace(br'\"', b'"') |
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247 value = value.replace(br'\\', b'\\') |
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248 certs[name] = value |
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249 # Monotone may have subsecond dates: 2005-02-05T09:39:12.364306 |
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250 # and all times are stored in UTC |
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251 certs[b"date"] = certs[b"date"].split(b'.')[0] + b" UTC" |
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252 return certs |
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253 |
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254 # implement the converter_source interface: |
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255 |
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256 def getheads(self): |
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257 if not self.revs: |
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258 return self.mtnrun(b"leaves").splitlines() |
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259 else: |
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260 return self.revs |
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261 |
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262 def getchanges(self, rev, full): |
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263 if full: |
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264 raise error.Abort( |
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265 _(b"convert from monotone does not support --full") |
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266 ) |
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267 revision = self.mtnrun(b"get_revision", rev).split(b"\n\n") |
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268 files = {} |
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269 ignoremove = {} |
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270 renameddirs = [] |
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271 copies = {} |
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272 for e in revision: |
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273 m = self.add_file_re.match(e) |
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274 if m: |
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275 files[m.group(1)] = rev |
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276 ignoremove[m.group(1)] = rev |
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277 m = self.patch_re.match(e) |
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278 if m: |
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279 files[m.group(1)] = rev |
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280 # Delete/rename is handled later when the convert engine |
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281 # discovers an IOError exception from getfile, |
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282 # but only if we add the "from" file to the list of changes. |
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283 m = self.delete_re.match(e) |
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284 if m: |
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285 files[m.group(1)] = rev |
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286 m = self.rename_re.match(e) |
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287 if m: |
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288 toname = m.group(2) |
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289 fromname = m.group(1) |
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290 if self.mtnisfile(toname, rev): |
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291 ignoremove[toname] = 1 |
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292 copies[toname] = fromname |
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293 files[toname] = rev |
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294 files[fromname] = rev |
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295 elif self.mtnisdir(toname, rev): |
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296 renameddirs.append((fromname, toname)) |
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297 |
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298 # Directory renames can be handled only once we have recorded |
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299 # all new files |
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300 for fromdir, todir in renameddirs: |
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301 renamed = {} |
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302 for tofile in self.files: |
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303 if tofile in ignoremove: |
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304 continue |
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305 if tofile.startswith(todir + b'/'): |
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306 renamed[tofile] = fromdir + tofile[len(todir) :] |
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307 # Avoid chained moves like: |
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308 # d1(/a) => d3/d1(/a) |
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309 # d2 => d3 |
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310 ignoremove[tofile] = 1 |
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311 for tofile, fromfile in renamed.items(): |
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312 self.ui.debug( |
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313 b"copying file in renamed directory from '%s' to '%s'" |
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314 % (fromfile, tofile), |
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315 b'\n', |
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316 ) |
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317 files[tofile] = rev |
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318 copies[tofile] = fromfile |
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319 for fromfile in renamed.values(): |
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320 files[fromfile] = rev |
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321 |
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322 return (files.items(), copies, set()) |
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323 |
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324 def getfile(self, name, rev): |
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325 if not self.mtnisfile(name, rev): |
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326 return None, None |
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327 try: |
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328 data = self.mtnrun(b"get_file_of", name, r=rev) |
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329 except Exception: |
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330 return None, None |
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331 self.mtnloadmanifest(rev) |
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332 node, attr = self.files.get(name, (None, b"")) |
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333 return data, attr |
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334 |
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335 def getcommit(self, rev): |
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336 extra = {} |
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337 certs = self.mtngetcerts(rev) |
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338 if certs.get(b'suspend') == certs[b"branch"]: |
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339 extra[b'close'] = b'1' |
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340 dateformat = b"%Y-%m-%dT%H:%M:%S" |
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341 return common.commit( |
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342 author=certs[b"author"], |
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343 date=dateutil.datestr(dateutil.strdate(certs[b"date"], dateformat)), |
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344 desc=certs[b"changelog"], |
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345 rev=rev, |
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346 parents=self.mtnrun(b"parents", rev).splitlines(), |
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347 branch=certs[b"branch"], |
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348 extra=extra, |
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349 ) |
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350 |
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351 def gettags(self): |
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352 tags = {} |
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353 for e in self.mtnrun(b"tags").split(b"\n\n"): |
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354 m = self.tag_re.match(e) |
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355 if m: |
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356 tags[m.group(1)] = m.group(2) |
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357 return tags |
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358 |
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359 def getchangedfiles(self, rev, i): |
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360 # This function is only needed to support --filemap |
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361 # ... and we don't support that |
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362 raise NotImplementedError |
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363 |
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364 def before(self): |
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365 # Check if we have a new enough version to use automate stdio |
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366 try: |
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367 versionstr = self.mtnrunsingle(b"interface_version") |
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368 version = float(versionstr) |
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369 except Exception: |
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370 raise error.Abort( |
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371 _(b"unable to determine mtn automate interface version") |
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372 ) |
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373 |
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374 if version >= 12.0: |
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375 self.automatestdio = True |
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376 self.ui.debug( |
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377 b"mtn automate version %f - using automate stdio\n" % version |
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378 ) |
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379 |
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380 # launch the long-running automate stdio process |
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381 self.mtnwritefp, self.mtnreadfp = self._run2( |
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382 b'automate', b'stdio', b'-d', self.path |
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383 ) |
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384 # read the headers |
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385 read = self.mtnreadfp.readline() |
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386 if read != b'format-version: 2\n': |
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387 raise error.Abort( |
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388 _(b'mtn automate stdio header unexpected: %s') % read |
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389 ) |
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390 while read != b'\n': |
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391 read = self.mtnreadfp.readline() |
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392 if not read: |
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393 raise error.Abort( |
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394 _( |
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395 b"failed to reach end of mtn automate " |
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396 b"stdio headers" |
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397 ) |
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398 ) |
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399 else: |
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400 self.ui.debug( |
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401 b"mtn automate version %s - not using automate stdio " |
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402 b"(automate >= 12.0 - mtn >= 0.46 is needed)\n" % version |
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403 ) |
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404 |
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405 def after(self): |
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406 if self.automatestdio: |
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407 self.mtnwritefp.close() |
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408 self.mtnwritefp = None |
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409 self.mtnreadfp.close() |
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410 self.mtnreadfp = None |