Mercurial > hg
annotate hgext/convert/common.py @ 21771:0f3353776038
mq: define norepo in command decorator
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 04 May 2014 22:04:14 -0700 |
parents | 5f2cc464e502 |
children | 650b5b6e75ed |
rev | line source |
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1 # common.py - common code for the convert extension |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 import base64, errno, subprocess, os, datetime, re |
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9 import cPickle as pickle |
8656 | 10 from mercurial import util |
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11 from mercurial.i18n import _ |
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12 |
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13 propertycache = util.propertycache |
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14 |
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15 def encodeargs(args): |
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16 def encodearg(s): |
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17 lines = base64.encodestring(s) |
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18 lines = [l.splitlines()[0] for l in lines] |
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19 return ''.join(lines) |
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20 |
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21 s = pickle.dumps(args) |
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22 return encodearg(s) |
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23 |
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24 def decodeargs(s): |
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25 s = base64.decodestring(s) |
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26 return pickle.loads(s) |
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27 |
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28 class MissingTool(Exception): |
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29 pass |
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30 |
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31 def checktool(exe, name=None, abort=True): |
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32 name = name or exe |
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33 if not util.findexe(exe): |
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34 exc = abort and util.Abort or MissingTool |
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35 raise exc(_('cannot find required "%s" tool') % name) |
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36 |
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37 class NoRepo(Exception): |
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38 pass |
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39 |
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40 SKIPREV = 'SKIP' |
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41 |
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42 class commit(object): |
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43 def __init__(self, author, date, desc, parents, branch=None, rev=None, |
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44 extra={}, sortkey=None): |
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45 self.author = author or 'unknown' |
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46 self.date = date or '0 0' |
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47 self.desc = desc |
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48 self.parents = parents |
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49 self.branch = branch |
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50 self.rev = rev |
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51 self.extra = extra |
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52 self.sortkey = sortkey |
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53 |
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54 class converter_source(object): |
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55 """Conversion source interface""" |
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56 |
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57 def __init__(self, ui, path=None, rev=None): |
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58 """Initialize conversion source (or raise NoRepo("message") |
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59 exception if path is not a valid repository)""" |
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60 self.ui = ui |
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61 self.path = path |
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62 self.rev = rev |
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63 |
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64 self.encoding = 'utf-8' |
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65 |
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66 def checkhexformat(self, revstr, mapname='splicemap'): |
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67 """ fails if revstr is not a 40 byte hex. mercurial and git both uses |
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68 such format for their revision numbering |
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69 """ |
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70 if not re.match(r'[0-9a-fA-F]{40,40}$', revstr): |
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71 raise util.Abort(_('%s entry %s is not a valid revision' |
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72 ' identifier') % (mapname, revstr)) |
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73 |
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74 def before(self): |
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75 pass |
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76 |
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77 def after(self): |
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78 pass |
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79 |
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80 def setrevmap(self, revmap): |
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81 """set the map of already-converted revisions""" |
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82 pass |
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83 |
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84 def getheads(self): |
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85 """Return a list of this repository's heads""" |
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86 raise NotImplementedError |
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87 |
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88 def getfile(self, name, rev): |
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89 """Return a pair (data, mode) where data is the file content |
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90 as a string and mode one of '', 'x' or 'l'. rev is the |
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91 identifier returned by a previous call to getchanges(). Raise |
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92 IOError to indicate that name was deleted in rev. |
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93 """ |
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94 raise NotImplementedError |
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95 |
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96 def getchanges(self, version): |
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97 """Returns a tuple of (files, copies). |
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98 |
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99 files is a sorted list of (filename, id) tuples for all files |
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100 changed between version and its first parent returned by |
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101 getcommit(). id is the source revision id of the file. |
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102 |
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103 copies is a dictionary of dest: source |
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104 """ |
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105 raise NotImplementedError |
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106 |
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107 def getcommit(self, version): |
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108 """Return the commit object for version""" |
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109 raise NotImplementedError |
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110 |
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111 def gettags(self): |
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112 """Return the tags as a dictionary of name: revision |
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113 |
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114 Tag names must be UTF-8 strings. |
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115 """ |
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116 raise NotImplementedError |
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117 |
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118 def recode(self, s, encoding=None): |
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119 if not encoding: |
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120 encoding = self.encoding or 'utf-8' |
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121 |
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122 if isinstance(s, unicode): |
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123 return s.encode("utf-8") |
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124 try: |
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125 return s.decode(encoding).encode("utf-8") |
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126 except UnicodeError: |
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127 try: |
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128 return s.decode("latin-1").encode("utf-8") |
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129 except UnicodeError: |
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130 return s.decode(encoding, "replace").encode("utf-8") |
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131 |
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132 def getchangedfiles(self, rev, i): |
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133 """Return the files changed by rev compared to parent[i]. |
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134 |
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135 i is an index selecting one of the parents of rev. The return |
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136 value should be the list of files that are different in rev and |
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137 this parent. |
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138 |
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139 If rev has no parents, i is None. |
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140 |
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141 This function is only needed to support --filemap |
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142 """ |
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143 raise NotImplementedError |
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144 |
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145 def converted(self, rev, sinkrev): |
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146 '''Notify the source that a revision has been converted.''' |
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147 pass |
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148 |
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149 def hasnativeorder(self): |
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150 """Return true if this source has a meaningful, native revision |
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151 order. For instance, Mercurial revisions are store sequentially |
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152 while there is no such global ordering with Darcs. |
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153 """ |
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154 return False |
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155 |
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156 def hasnativeclose(self): |
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157 """Return true if this source has ability to close branch. |
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158 """ |
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159 return False |
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160 |
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161 def lookuprev(self, rev): |
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162 """If rev is a meaningful revision reference in source, return |
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163 the referenced identifier in the same format used by getcommit(). |
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164 return None otherwise. |
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165 """ |
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166 return None |
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167 |
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168 def getbookmarks(self): |
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169 """Return the bookmarks as a dictionary of name: revision |
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170 |
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171 Bookmark names are to be UTF-8 strings. |
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172 """ |
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173 return {} |
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174 |
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175 def checkrevformat(self, revstr, mapname='splicemap'): |
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176 """revstr is a string that describes a revision in the given |
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177 source control system. Return true if revstr has correct |
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178 format. |
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179 """ |
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180 return True |
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181 |
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182 class converter_sink(object): |
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183 """Conversion sink (target) interface""" |
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184 |
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185 def __init__(self, ui, path): |
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186 """Initialize conversion sink (or raise NoRepo("message") |
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187 exception if path is not a valid repository) |
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188 |
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189 created is a list of paths to remove if a fatal error occurs |
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190 later""" |
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191 self.ui = ui |
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192 self.path = path |
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193 self.created = [] |
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194 |
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195 def revmapfile(self): |
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196 """Path to a file that will contain lines |
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197 source_rev_id sink_rev_id |
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198 mapping equivalent revision identifiers for each system.""" |
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199 raise NotImplementedError |
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200 |
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201 def authorfile(self): |
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202 """Path to a file that will contain lines |
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203 srcauthor=dstauthor |
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204 mapping equivalent authors identifiers for each system.""" |
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205 return None |
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206 |
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207 def putcommit(self, files, copies, parents, commit, source, revmap): |
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208 """Create a revision with all changed files listed in 'files' |
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209 and having listed parents. 'commit' is a commit object |
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210 containing at a minimum the author, date, and message for this |
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211 changeset. 'files' is a list of (path, version) tuples, |
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212 'copies' is a dictionary mapping destinations to sources, |
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213 'source' is the source repository, and 'revmap' is a mapfile |
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214 of source revisions to converted revisions. Only getfile() and |
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215 lookuprev() should be called on 'source'. |
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216 |
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217 Note that the sink repository is not told to update itself to |
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218 a particular revision (or even what that revision would be) |
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219 before it receives the file data. |
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220 """ |
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221 raise NotImplementedError |
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222 |
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223 def puttags(self, tags): |
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224 """Put tags into sink. |
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225 |
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226 tags: {tagname: sink_rev_id, ...} where tagname is an UTF-8 string. |
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227 Return a pair (tag_revision, tag_parent_revision), or (None, None) |
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228 if nothing was changed. |
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229 """ |
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230 raise NotImplementedError |
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231 |
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232 def setbranch(self, branch, pbranches): |
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233 """Set the current branch name. Called before the first putcommit |
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234 on the branch. |
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235 branch: branch name for subsequent commits |
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236 pbranches: (converted parent revision, parent branch) tuples""" |
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237 pass |
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diff
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238 |
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diff
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239 def setfilemapmode(self, active): |
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240 """Tell the destination that we're using a filemap |
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diff
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241 |
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242 Some converter_sources (svn in particular) can claim that a file |
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diff
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243 was changed in a revision, even if there was no change. This method |
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244 tells the destination that we're using a filemap and that it should |
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diff
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245 filter empty revisions. |
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246 """ |
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247 pass |
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convert: abstract map files into a class
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248 |
5512
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249 def before(self): |
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250 pass |
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251 |
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252 def after(self): |
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253 pass |
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254 |
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7e525d2f9a75
convert: add bookmark support to common sink/source implementation
Edouard Gomez <ed.gomez@free.fr>
parents:
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diff
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|
255 def putbookmarks(self, bookmarks): |
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256 """Put bookmarks into sink. |
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257 |
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258 bookmarks: {bookmarkname: sink_rev_id, ...} |
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259 where bookmarkname is an UTF-8 string. |
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260 """ |
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261 pass |
5512
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262 |
21635
5f2cc464e502
convert: introduce hascommitfrommap sink method
Mads Kiilerich <madski@unity3d.com>
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21634
diff
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263 def hascommitfrommap(self, rev): |
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264 """Return False if a rev mentioned in a filemap is known to not be |
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convert: introduce hascommitfrommap sink method
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265 present.""" |
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266 raise NotImplementedError |
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diff
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267 |
21634
23b24d6a70c8
convert: rename sink hascommit to hascommitforsplicemap
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268 def hascommitforsplicemap(self, rev): |
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269 """This method is for the special needs for splicemap handling and not |
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convert: rename sink hascommit to hascommitforsplicemap
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270 for general use. Returns True if the sink contains rev, aborts on some |
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convert: rename sink hascommit to hascommitforsplicemap
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271 special cases.""" |
16687
e34106fa0dc3
cleanup: "raise SomeException()" -> "raise SomeException"
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parents:
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diff
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272 raise NotImplementedError |
16106
d75aa756149b
convert: use splicemap entries when sorting revisions (issue1748)
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parents:
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273 |
5512
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274 class commandline(object): |
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275 def __init__(self, ui, command): |
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276 self.ui = ui |
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277 self.command = command |
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278 |
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279 def prerun(self): |
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280 pass |
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281 |
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282 def postrun(self): |
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283 pass |
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284 |
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285 def _cmdline(self, cmd, *args, **kwargs): |
5512
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286 cmdline = [self.command, cmd] + list(args) |
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287 for k, v in kwargs.iteritems(): |
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288 if len(k) == 1: |
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289 cmdline.append('-' + k) |
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290 else: |
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291 cmdline.append('--' + k.replace('_', '-')) |
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292 try: |
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293 if len(k) == 1: |
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294 cmdline.append('' + v) |
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295 else: |
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296 cmdline[-1] += '=' + v |
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297 except TypeError: |
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298 pass |
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diff
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299 cmdline = [util.shellquote(arg) for arg in cmdline] |
7611
dafcc96c1285
convert: display child command output if --debug (fix 878466138b57)
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parents:
7610
diff
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|
300 if not self.ui.debugflag: |
17391
fc24c10424d2
util: replace util.nulldev with os.devnull
Ross Lagerwall <rosslagerwall@gmail.com>
parents:
16688
diff
changeset
|
301 cmdline += ['2>', os.devnull] |
5529
5499dbb445de
convert: fix util.popen regression in darcs converter
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parents:
5513
diff
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|
302 cmdline = ' '.join(cmdline) |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
5760
diff
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|
303 return cmdline |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
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304 |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
Maxim Dounin <mdounin@mdounin.ru>
parents:
5760
diff
changeset
|
305 def _run(self, cmd, *args, **kwargs): |
17413
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306 def popen(cmdline): |
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convert: use subprocess for all commandline calls
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307 p = subprocess.Popen(cmdline, shell=True, bufsize=-1, |
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convert: use subprocess for all commandline calls
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diff
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|
308 close_fds=util.closefds, |
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convert: use subprocess for all commandline calls
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309 stdout=subprocess.PIPE) |
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convert: use subprocess for all commandline calls
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310 return p |
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diff
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311 return self._dorun(popen, cmd, *args, **kwargs) |
13759
49b818fd26d8
convert: add support to common commandline to access stdin of the process
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parents:
13744
diff
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|
312 |
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convert: add support to common commandline to access stdin of the process
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13744
diff
changeset
|
313 def _run2(self, cmd, *args, **kwargs): |
17413
97f1f22c2dba
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314 return self._dorun(util.popen2, cmd, *args, **kwargs) |
13759
49b818fd26d8
convert: add support to common commandline to access stdin of the process
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diff
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|
315 |
17413
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convert: use subprocess for all commandline calls
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diff
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|
316 def _dorun(self, openfunc, cmd, *args, **kwargs): |
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317 cmdline = self._cmdline(cmd, *args, **kwargs) |
9467
4c041f1ee1b4
do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents:
9431
diff
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|
318 self.ui.debug('running: %s\n' % (cmdline,)) |
5512
8cd26ccc68f8
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319 self.prerun() |
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320 try: |
13759
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convert: add support to common commandline to access stdin of the process
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13744
diff
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|
321 return openfunc(cmdline) |
5512
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diff
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|
322 finally: |
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|
323 self.postrun() |
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diff
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|
324 |
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|
325 def run(self, cmd, *args, **kwargs): |
17413
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diff
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|
326 p = self._run(cmd, *args, **kwargs) |
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diff
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|
327 output = p.communicate()[0] |
5512
8cd26ccc68f8
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|
328 self.ui.debug(output) |
17413
97f1f22c2dba
convert: use subprocess for all commandline calls
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17412
diff
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|
329 return output, p.returncode |
5512
8cd26ccc68f8
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diff
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|
330 |
6035
df659eb23360
convert: added GNU Arch source converter
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents:
6001
diff
changeset
|
331 def runlines(self, cmd, *args, **kwargs): |
17413
97f1f22c2dba
convert: use subprocess for all commandline calls
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parents:
17412
diff
changeset
|
332 p = self._run(cmd, *args, **kwargs) |
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parents:
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diff
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|
333 output = p.stdout.readlines() |
97f1f22c2dba
convert: use subprocess for all commandline calls
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diff
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|
334 p.wait() |
6049
348132c112cf
convert: improve gnu arch source performance and other fixes
Aleix Conchillo Flaque <aleix@member.fsf.org>
parents:
6035
diff
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|
335 self.ui.debug(''.join(output)) |
17413
97f1f22c2dba
convert: use subprocess for all commandline calls
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diff
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|
336 return output, p.returncode |
6035
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parents:
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diff
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|
337 |
5512
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changeset
|
338 def checkexit(self, status, output=''): |
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|
339 if status: |
8cd26ccc68f8
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diff
changeset
|
340 if output: |
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changeset
|
341 self.ui.warn(_('%s error:\n') % self.command) |
8cd26ccc68f8
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|
342 self.ui.warn(output) |
14234
600e64004eb5
rename explain_exit to explainexit
Adrian Buehlmann <adrian@cadifra.com>
parents:
13759
diff
changeset
|
343 msg = util.explainexit(status)[0] |
8970
eac360045ba4
convert: do not ask for translation of "%s %s"
Martin Geisler <mg@lazybytes.net>
parents:
8887
diff
changeset
|
344 raise util.Abort('%s %s' % (self.command, msg)) |
5512
8cd26ccc68f8
convert: abstract darcs's commandline handling
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diff
changeset
|
345 |
8cd26ccc68f8
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|
346 def run0(self, cmd, *args, **kwargs): |
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|
347 output, status = self.run(cmd, *args, **kwargs) |
8cd26ccc68f8
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diff
changeset
|
348 self.checkexit(status, output) |
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|
349 return output |
8cd26ccc68f8
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diff
changeset
|
350 |
6035
df659eb23360
convert: added GNU Arch source converter
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parents:
6001
diff
changeset
|
351 def runlines0(self, cmd, *args, **kwargs): |
df659eb23360
convert: added GNU Arch source converter
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6001
diff
changeset
|
352 output, status = self.runlines(cmd, *args, **kwargs) |
6049
348132c112cf
convert: improve gnu arch source performance and other fixes
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353 self.checkexit(status, ''.join(output)) |
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354 return output |
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355 |
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356 @propertycache |
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357 def argmax(self): |
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358 # POSIX requires at least 4096 bytes for ARG_MAX |
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359 argmax = 4096 |
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360 try: |
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361 argmax = os.sysconf("SC_ARG_MAX") |
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362 except (AttributeError, ValueError): |
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363 pass |
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364 |
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365 # Windows shells impose their own limits on command line length, |
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366 # down to 2047 bytes for cmd.exe under Windows NT/2k and 2500 bytes |
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367 # for older 4nt.exe. See http://support.microsoft.com/kb/830473 for |
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368 # details about cmd.exe limitations. |
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369 |
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370 # Since ARG_MAX is for command line _and_ environment, lower our limit |
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371 # (and make happy Windows shells while doing this). |
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372 return argmax // 2 - 1 |
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373 |
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374 def _limit_arglist(self, arglist, cmd, *args, **kwargs): |
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375 cmdlen = len(self._cmdline(cmd, *args, **kwargs)) |
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376 limit = self.argmax - cmdlen |
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377 bytes = 0 |
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378 fl = [] |
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379 for fn in arglist: |
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380 b = len(fn) + 3 |
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381 if bytes + b < limit or len(fl) == 0: |
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382 fl.append(fn) |
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383 bytes += b |
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384 else: |
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385 yield fl |
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386 fl = [fn] |
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387 bytes = b |
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388 if fl: |
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389 yield fl |
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390 |
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391 def xargs(self, arglist, cmd, *args, **kwargs): |
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parents:
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diff
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392 for l in self._limit_arglist(arglist, cmd, *args, **kwargs): |
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393 self.run0(cmd, *(list(args) + l), **kwargs) |
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394 |
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395 class mapfile(dict): |
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396 def __init__(self, ui, path): |
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397 super(mapfile, self).__init__() |
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398 self.ui = ui |
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399 self.path = path |
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400 self.fp = None |
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401 self.order = [] |
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402 self._read() |
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403 |
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404 def _read(self): |
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Stefan Rusek <stefan@rusek.org>
parents:
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diff
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405 if not self.path: |
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406 return |
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407 try: |
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408 fp = open(self.path, 'r') |
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409 except IOError, err: |
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410 if err.errno != errno.ENOENT: |
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411 raise |
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diff
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412 return |
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convert: better mapfile parsing errors (issue1581/1)
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parents:
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diff
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413 for i, line in enumerate(fp): |
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Patrick Mezard <patrick@mezard.eu>
parents:
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diff
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414 line = line.splitlines()[0].rstrip() |
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convert: ignore blank lines in mapfiles (issue3286)
Patrick Mezard <patrick@mezard.eu>
parents:
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415 if not line: |
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convert: ignore blank lines in mapfiles (issue3286)
Patrick Mezard <patrick@mezard.eu>
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416 # Ignore blank lines |
9479c28a22bf
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417 continue |
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parents:
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diff
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418 try: |
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diff
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419 key, value = line.rsplit(' ', 1) |
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parents:
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420 except ValueError: |
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parents:
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421 raise util.Abort( |
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422 _('syntax error in %s(%d): key/value pair expected') |
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many, many trivial check-code fixups
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423 % (self.path, i + 1)) |
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424 if key not in self: |
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diff
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425 self.order.append(key) |
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426 super(mapfile, self).__setitem__(key, value) |
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427 fp.close() |
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Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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428 |
5510
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429 def __setitem__(self, key, value): |
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430 if self.fp is None: |
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431 try: |
11d7908a3ea8
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432 self.fp = open(self.path, 'a') |
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433 except IOError, err: |
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434 raise util.Abort(_('could not open map file %r: %s') % |
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435 (self.path, err.strerror)) |
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436 self.fp.write('%s %s\n' % (key, value)) |
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437 self.fp.flush() |
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438 super(mapfile, self).__setitem__(key, value) |
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439 |
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440 def close(self): |
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441 if self.fp: |
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442 self.fp.close() |
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443 self.fp = None |
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444 |
17974
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convert: add config option to use the local time zone
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445 def makedatetimestamp(t): |
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446 """Like util.makedate() but for time t instead of current time""" |
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447 delta = (datetime.datetime.utcfromtimestamp(t) - |
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448 datetime.datetime.fromtimestamp(t)) |
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449 tz = delta.days * 86400 + delta.seconds |
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diff
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450 return t, tz |