Mercurial > hg
annotate hgext/convert/common.py @ 13411:d4de90a612f7
commit: abort if a subrepo is modified and ui.commitsubrepos=no
The default behaviour is to commit subrepositories with uncommitted changes. In
my experience this is usually undesirable:
- Changes to dependencies are often debugging leftovers
- Real changes should generally be applied on the source project directly,
tested then committed. This is not always possible, subversion subrepos may
include only a small part of the source project, without the tests.
Setting ui.commitsubrepos=no will now abort commits containing such modified
subrepositories like:
$ hg --config ui.commitsubrepos=no ci -m msg
abort: uncommitted changes in subrepo sub
I ruled out the hook solution because it does not easily take --include/exclude
options in account. Also, my main concern is whether this flag could cause
problems with extensions. If there are legitimate reasons for callers to
override this behaviour (I could not find any), they might either override at ui
level, or we could add an argument to localrepo.commit() later.
v2:
- Renamed ui.commitsubs to ui.commitsubrepos
- Mention the configuration entry in hg help subrepos
author | Patrick Mezard <pmezard@gmail.com> |
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date | Tue, 15 Feb 2011 22:25:48 +0100 |
parents | 33010ff1fd6f |
children | 7e525d2f9a75 |
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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 |
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7 |
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8 import base64, errno |
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9 import os |
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10 import cPickle as pickle |
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12 from mercurial.i18n import _ |
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13 |
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14 def encodeargs(args): |
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15 def encodearg(s): |
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16 lines = base64.encodestring(s) |
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17 lines = [l.splitlines()[0] for l in lines] |
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18 return ''.join(lines) |
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19 |
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20 s = pickle.dumps(args) |
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21 return encodearg(s) |
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22 |
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23 def decodeargs(s): |
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24 s = base64.decodestring(s) |
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25 return pickle.loads(s) |
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26 |
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27 class MissingTool(Exception): |
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28 pass |
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29 |
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30 def checktool(exe, name=None, abort=True): |
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31 name = name or exe |
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32 if not util.find_exe(exe): |
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33 exc = abort and util.Abort or MissingTool |
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34 raise exc(_('cannot find required "%s" tool') % name) |
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35 |
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36 class NoRepo(Exception): |
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37 pass |
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38 |
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39 SKIPREV = 'SKIP' |
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40 |
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41 class commit(object): |
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42 def __init__(self, author, date, desc, parents, branch=None, rev=None, |
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43 extra={}, sortkey=None): |
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44 self.author = author or 'unknown' |
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45 self.date = date or '0 0' |
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46 self.desc = desc |
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47 self.parents = parents |
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48 self.branch = branch |
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49 self.rev = rev |
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50 self.extra = extra |
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51 self.sortkey = sortkey |
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52 |
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53 class converter_source(object): |
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54 """Conversion source interface""" |
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55 |
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56 def __init__(self, ui, path=None, rev=None): |
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57 """Initialize conversion source (or raise NoRepo("message") |
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58 exception if path is not a valid repository)""" |
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59 self.ui = ui |
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60 self.path = path |
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61 self.rev = rev |
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62 |
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63 self.encoding = 'utf-8' |
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64 |
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65 def before(self): |
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66 pass |
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67 |
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68 def after(self): |
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69 pass |
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70 |
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71 def setrevmap(self, revmap): |
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72 """set the map of already-converted revisions""" |
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73 pass |
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74 |
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75 def getheads(self): |
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76 """Return a list of this repository's heads""" |
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77 raise NotImplementedError() |
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78 |
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79 def getfile(self, name, rev): |
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80 """Return a pair (data, mode) where data is the file content |
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81 as a string and mode one of '', 'x' or 'l'. rev is the |
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82 identifier returned by a previous call to getchanges(). Raise |
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83 IOError to indicate that name was deleted in rev. |
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84 """ |
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85 raise NotImplementedError() |
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86 |
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87 def getchanges(self, version): |
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88 """Returns a tuple of (files, copies). |
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89 |
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90 files is a sorted list of (filename, id) tuples for all files |
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91 changed between version and its first parent returned by |
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92 getcommit(). id is the source revision id of the file. |
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93 |
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94 copies is a dictionary of dest: source |
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95 """ |
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96 raise NotImplementedError() |
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97 |
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98 def getcommit(self, version): |
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99 """Return the commit object for version""" |
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100 raise NotImplementedError() |
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101 |
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102 def gettags(self): |
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103 """Return the tags as a dictionary of name: revision |
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104 |
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105 Tag names must be UTF-8 strings. |
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106 """ |
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107 raise NotImplementedError() |
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108 |
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109 def recode(self, s, encoding=None): |
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110 if not encoding: |
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111 encoding = self.encoding or 'utf-8' |
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112 |
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113 if isinstance(s, unicode): |
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114 return s.encode("utf-8") |
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115 try: |
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116 return s.decode(encoding).encode("utf-8") |
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117 except: |
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118 try: |
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119 return s.decode("latin-1").encode("utf-8") |
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120 except: |
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121 return s.decode(encoding, "replace").encode("utf-8") |
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122 |
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123 def getchangedfiles(self, rev, i): |
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124 """Return the files changed by rev compared to parent[i]. |
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125 |
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126 i is an index selecting one of the parents of rev. The return |
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127 value should be the list of files that are different in rev and |
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128 this parent. |
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129 |
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130 If rev has no parents, i is None. |
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131 |
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132 This function is only needed to support --filemap |
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133 """ |
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134 raise NotImplementedError() |
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135 |
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136 def converted(self, rev, sinkrev): |
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137 '''Notify the source that a revision has been converted.''' |
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138 pass |
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139 |
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140 def hasnativeorder(self): |
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141 """Return true if this source has a meaningful, native revision |
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142 order. For instance, Mercurial revisions are store sequentially |
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143 while there is no such global ordering with Darcs. |
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144 """ |
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145 return False |
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146 |
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147 def lookuprev(self, rev): |
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148 """If rev is a meaningful revision reference in source, return |
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149 the referenced identifier in the same format used by getcommit(). |
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150 return None otherwise. |
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151 """ |
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152 return None |
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153 |
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154 class converter_sink(object): |
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155 """Conversion sink (target) interface""" |
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156 |
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157 def __init__(self, ui, path): |
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158 """Initialize conversion sink (or raise NoRepo("message") |
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159 exception if path is not a valid repository) |
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160 |
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161 created is a list of paths to remove if a fatal error occurs |
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162 later""" |
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163 self.ui = ui |
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164 self.path = path |
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165 self.created = [] |
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166 |
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167 def getheads(self): |
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168 """Return a list of this repository's heads""" |
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169 raise NotImplementedError() |
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170 |
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171 def revmapfile(self): |
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172 """Path to a file that will contain lines |
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173 source_rev_id sink_rev_id |
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174 mapping equivalent revision identifiers for each system.""" |
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175 raise NotImplementedError() |
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176 |
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177 def authorfile(self): |
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178 """Path to a file that will contain lines |
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179 srcauthor=dstauthor |
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180 mapping equivalent authors identifiers for each system.""" |
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181 return None |
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182 |
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183 def putcommit(self, files, copies, parents, commit, source, revmap): |
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184 """Create a revision with all changed files listed in 'files' |
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185 and having listed parents. 'commit' is a commit object |
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186 containing at a minimum the author, date, and message for this |
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187 changeset. 'files' is a list of (path, version) tuples, |
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188 'copies' is a dictionary mapping destinations to sources, |
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189 'source' is the source repository, and 'revmap' is a mapfile |
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190 of source revisions to converted revisions. Only getfile() and |
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191 lookuprev() should be called on 'source'. |
6716
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192 |
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193 Note that the sink repository is not told to update itself to |
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194 a particular revision (or even what that revision would be) |
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195 before it receives the file data. |
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196 """ |
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197 raise NotImplementedError() |
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198 |
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199 def puttags(self, tags): |
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200 """Put tags into sink. |
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201 |
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202 tags: {tagname: sink_rev_id, ...} where tagname is an UTF-8 string. |
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203 Return a pair (tag_revision, tag_parent_revision), or (None, None) |
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204 if nothing was changed. |
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205 """ |
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206 raise NotImplementedError() |
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207 |
5934
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208 def setbranch(self, branch, pbranches): |
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209 """Set the current branch name. Called before the first putcommit |
5173
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210 on the branch. |
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211 branch: branch name for subsequent commits |
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212 pbranches: (converted parent revision, parent branch) tuples""" |
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213 pass |
5378
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214 |
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215 def setfilemapmode(self, active): |
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216 """Tell the destination that we're using a filemap |
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217 |
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218 Some converter_sources (svn in particular) can claim that a file |
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219 was changed in a revision, even if there was no change. This method |
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220 tells the destination that we're using a filemap and that it should |
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221 filter empty revisions. |
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222 """ |
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223 pass |
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224 |
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225 def before(self): |
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226 pass |
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227 |
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228 def after(self): |
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229 pass |
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230 |
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231 |
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232 class commandline(object): |
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233 def __init__(self, ui, command): |
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234 self.ui = ui |
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235 self.command = command |
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236 |
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237 def prerun(self): |
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238 pass |
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239 |
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240 def postrun(self): |
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241 pass |
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242 |
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243 def _cmdline(self, cmd, *args, **kwargs): |
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244 cmdline = [self.command, cmd] + list(args) |
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245 for k, v in kwargs.iteritems(): |
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246 if len(k) == 1: |
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247 cmdline.append('-' + k) |
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248 else: |
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249 cmdline.append('--' + k.replace('_', '-')) |
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250 try: |
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251 if len(k) == 1: |
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252 cmdline.append('' + v) |
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253 else: |
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254 cmdline[-1] += '=' + v |
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255 except TypeError: |
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256 pass |
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257 cmdline = [util.shellquote(arg) for arg in cmdline] |
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258 if not self.ui.debugflag: |
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259 cmdline += ['2>', util.nulldev] |
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260 cmdline += ['<', util.nulldev] |
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261 cmdline = ' '.join(cmdline) |
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262 return cmdline |
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263 |
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264 def _run(self, cmd, *args, **kwargs): |
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265 cmdline = self._cmdline(cmd, *args, **kwargs) |
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266 self.ui.debug('running: %s\n' % (cmdline,)) |
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267 self.prerun() |
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268 try: |
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269 return util.popen(cmdline) |
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270 finally: |
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271 self.postrun() |
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272 |
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273 def run(self, cmd, *args, **kwargs): |
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274 fp = self._run(cmd, *args, **kwargs) |
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275 output = fp.read() |
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276 self.ui.debug(output) |
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277 return output, fp.close() |
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278 |
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279 def runlines(self, cmd, *args, **kwargs): |
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280 fp = self._run(cmd, *args, **kwargs) |
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281 output = fp.readlines() |
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convert: improve gnu arch source performance and other fixes
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282 self.ui.debug(''.join(output)) |
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283 return output, fp.close() |
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284 |
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285 def checkexit(self, status, output=''): |
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286 if status: |
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287 if output: |
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288 self.ui.warn(_('%s error:\n') % self.command) |
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289 self.ui.warn(output) |
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290 msg = util.explain_exit(status)[0] |
8970
eac360045ba4
convert: do not ask for translation of "%s %s"
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parents:
8887
diff
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|
291 raise util.Abort('%s %s' % (self.command, msg)) |
5512
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292 |
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293 def run0(self, cmd, *args, **kwargs): |
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294 output, status = self.run(cmd, *args, **kwargs) |
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295 self.checkexit(status, output) |
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296 return output |
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297 |
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|
298 def runlines0(self, cmd, *args, **kwargs): |
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diff
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299 output, status = self.runlines(cmd, *args, **kwargs) |
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convert: improve gnu arch source performance and other fixes
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diff
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|
300 self.checkexit(status, ''.join(output)) |
6035
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|
301 return output |
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302 |
5832
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|
303 def getargmax(self): |
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304 if '_argmax' in self.__dict__: |
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305 return self._argmax |
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306 |
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307 # POSIX requires at least 4096 bytes for ARG_MAX |
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|
308 self._argmax = 4096 |
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309 try: |
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310 self._argmax = os.sysconf("SC_ARG_MAX") |
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|
311 except: |
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diff
changeset
|
312 pass |
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diff
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313 |
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|
314 # Windows shells impose their own limits on command line length, |
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315 # down to 2047 bytes for cmd.exe under Windows NT/2k and 2500 bytes |
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316 # for older 4nt.exe. See http://support.microsoft.com/kb/830473 for |
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|
317 # details about cmd.exe limitations. |
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318 |
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|
319 # Since ARG_MAX is for command line _and_ environment, lower our limit |
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|
320 # (and make happy Windows shells while doing this). |
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diff
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|
321 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
322 self._argmax = self._argmax / 2 - 1 |
5832
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
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diff
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|
323 return self._argmax |
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324 |
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|
325 def limit_arglist(self, arglist, cmd, *args, **kwargs): |
2192ed187319
convert: add commandline.xargs(), use it in svn_sink class
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|
326 limit = self.getargmax() - len(self._cmdline(cmd, *args, **kwargs)) |
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|
327 bytes = 0 |
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convert: add commandline.xargs(), use it in svn_sink class
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|
328 fl = [] |
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convert: add commandline.xargs(), use it in svn_sink class
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|
329 for fn in arglist: |
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|
330 b = len(fn) + 3 |
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|
331 if bytes + b < limit or len(fl) == 0: |
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|
332 fl.append(fn) |
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diff
changeset
|
333 bytes += b |
2192ed187319
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|
334 else: |
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diff
changeset
|
335 yield fl |
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|
336 fl = [fn] |
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|
337 bytes = b |
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convert: add commandline.xargs(), use it in svn_sink class
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|
338 if fl: |
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diff
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|
339 yield fl |
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340 |
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convert: add commandline.xargs(), use it in svn_sink class
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|
341 def xargs(self, arglist, cmd, *args, **kwargs): |
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convert: add commandline.xargs(), use it in svn_sink class
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|
342 for l in self.limit_arglist(arglist, cmd, *args, **kwargs): |
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|
343 self.run0(cmd, *(list(args) + l), **kwargs) |
5510
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diff
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|
344 |
11d7908a3ea8
convert: abstract map files into a class
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|
345 class mapfile(dict): |
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|
346 def __init__(self, ui, path): |
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convert: abstract map files into a class
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|
347 super(mapfile, self).__init__() |
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|
348 self.ui = ui |
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|
349 self.path = path |
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convert: abstract map files into a class
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|
350 self.fp = None |
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convert: abstract map files into a class
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|
351 self.order = [] |
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352 self._read() |
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353 |
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354 def _read(self): |
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355 if not self.path: |
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356 return |
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357 try: |
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358 fp = open(self.path, 'r') |
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359 except IOError, err: |
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360 if err.errno != errno.ENOENT: |
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361 raise |
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362 return |
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363 for i, line in enumerate(fp): |
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364 try: |
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365 key, value = line.splitlines()[0].rsplit(' ', 1) |
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366 except ValueError: |
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367 raise util.Abort( |
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368 _('syntax error in %s(%d): key/value pair expected') |
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369 % (self.path, i + 1)) |
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370 if key not in self: |
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371 self.order.append(key) |
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372 super(mapfile, self).__setitem__(key, value) |
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373 fp.close() |
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374 |
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375 def __setitem__(self, key, value): |
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376 if self.fp is None: |
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377 try: |
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378 self.fp = open(self.path, 'a') |
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379 except IOError, err: |
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380 raise util.Abort(_('could not open map file %r: %s') % |
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381 (self.path, err.strerror)) |
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382 self.fp.write('%s %s\n' % (key, value)) |
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383 self.fp.flush() |
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384 super(mapfile, self).__setitem__(key, value) |
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385 |
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386 def close(self): |
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387 if self.fp: |
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388 self.fp.close() |
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389 self.fp = None |