Mercurial > hg
annotate hgext/convert/common.py @ 5984:9451a941c536
convert: use 'unknown' and '0 0' if commit author or date weren't specified
Closes issue873.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Sun, 03 Feb 2008 21:03:46 -0200 |
parents | e495f3f35b2d |
children | 30d2fecaab76 |
rev | line source |
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Split convert extension into common and repository type modules
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1 # common code for the convert extension |
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2 import base64 |
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3 import cPickle as pickle |
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4 |
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5 def encodeargs(args): |
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6 def encodearg(s): |
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7 lines = base64.encodestring(s) |
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8 lines = [l.splitlines()[0] for l in lines] |
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9 return ''.join(lines) |
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10 |
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11 s = pickle.dumps(args) |
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12 return encodearg(s) |
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13 |
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14 def decodeargs(s): |
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15 s = base64.decodestring(s) |
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16 return pickle.loads(s) |
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17 |
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18 class NoRepo(Exception): pass |
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19 |
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20 SKIPREV = 'SKIP' |
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21 |
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22 class commit(object): |
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23 def __init__(self, author, date, desc, parents, branch=None, rev=None, |
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24 extra={}): |
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25 self.author = author or 'unknown' |
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26 self.date = date or '0 0' |
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27 self.desc = desc |
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28 self.parents = parents |
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29 self.branch = branch |
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30 self.rev = rev |
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31 self.extra = extra |
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32 |
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33 class converter_source(object): |
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34 """Conversion source interface""" |
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35 |
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36 def __init__(self, ui, path, rev=None): |
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37 """Initialize conversion source (or raise NoRepo("message") |
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38 exception if path is not a valid repository)""" |
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39 self.ui = ui |
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40 self.path = path |
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41 self.rev = rev |
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42 |
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43 self.encoding = 'utf-8' |
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44 |
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45 def before(self): |
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46 pass |
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47 |
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48 def after(self): |
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49 pass |
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50 |
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51 def setrevmap(self, revmap, order): |
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52 """set the map of already-converted revisions |
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53 |
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54 order is a list with the keys from revmap in the order they |
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55 appear in the revision map file.""" |
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56 pass |
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57 |
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58 def getheads(self): |
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59 """Return a list of this repository's heads""" |
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60 raise NotImplementedError() |
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61 |
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62 def getfile(self, name, rev): |
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63 """Return file contents as a string""" |
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64 raise NotImplementedError() |
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65 |
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66 def getmode(self, name, rev): |
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67 """Return file mode, eg. '', 'x', or 'l'""" |
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68 raise NotImplementedError() |
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69 |
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70 def getchanges(self, version): |
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71 """Returns a tuple of (files, copies) |
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72 Files is a sorted list of (filename, id) tuples for all files changed |
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73 in version, where id is the source revision id of the file. |
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74 |
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75 copies is a dictionary of dest: source |
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76 """ |
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77 raise NotImplementedError() |
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78 |
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79 def getcommit(self, version): |
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80 """Return the commit object for version""" |
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81 raise NotImplementedError() |
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82 |
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83 def gettags(self): |
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84 """Return the tags as a dictionary of name: revision""" |
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85 raise NotImplementedError() |
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86 |
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87 def recode(self, s, encoding=None): |
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88 if not encoding: |
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89 encoding = self.encoding or 'utf-8' |
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90 |
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91 if isinstance(s, unicode): |
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92 return s.encode("utf-8") |
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93 try: |
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94 return s.decode(encoding).encode("utf-8") |
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95 except: |
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96 try: |
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97 return s.decode("latin-1").encode("utf-8") |
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98 except: |
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99 return s.decode(encoding, "replace").encode("utf-8") |
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100 |
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101 def getchangedfiles(self, rev, i): |
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102 """Return the files changed by rev compared to parent[i]. |
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103 |
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104 i is an index selecting one of the parents of rev. The return |
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105 value should be the list of files that are different in rev and |
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106 this parent. |
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107 |
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108 If rev has no parents, i is None. |
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109 |
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110 This function is only needed to support --filemap |
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111 """ |
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112 raise NotImplementedError() |
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113 |
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114 class converter_sink(object): |
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115 """Conversion sink (target) interface""" |
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116 |
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117 def __init__(self, ui, path): |
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118 """Initialize conversion sink (or raise NoRepo("message") |
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119 exception if path is not a valid repository) |
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120 |
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121 created is a list of paths to remove if a fatal error occurs |
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122 later""" |
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123 self.ui = ui |
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124 self.path = path |
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125 self.created = [] |
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126 |
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127 def getheads(self): |
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128 """Return a list of this repository's heads""" |
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129 raise NotImplementedError() |
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130 |
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131 def revmapfile(self): |
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132 """Path to a file that will contain lines |
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133 source_rev_id sink_rev_id |
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134 mapping equivalent revision identifiers for each system.""" |
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135 raise NotImplementedError() |
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136 |
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137 def authorfile(self): |
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138 """Path to a file that will contain lines |
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139 srcauthor=dstauthor |
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140 mapping equivalent authors identifiers for each system.""" |
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141 return None |
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142 |
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143 def putfile(self, f, e, data): |
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144 """Put file for next putcommit(). |
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145 f: path to file |
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146 e: '', 'x', or 'l' (regular file, executable, or symlink) |
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147 data: file contents""" |
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148 raise NotImplementedError() |
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149 |
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150 def delfile(self, f): |
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151 """Delete file for next putcommit(). |
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152 f: path to file""" |
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153 raise NotImplementedError() |
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154 |
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155 def putcommit(self, files, parents, commit): |
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156 """Create a revision with all changed files listed in 'files' |
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157 and having listed parents. 'commit' is a commit object containing |
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158 at a minimum the author, date, and message for this changeset. |
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159 Called after putfile() and delfile() calls. Note that the sink |
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160 repository is not told to update itself to a particular revision |
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161 (or even what that revision would be) before it receives the |
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162 file data.""" |
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163 raise NotImplementedError() |
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164 |
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165 def puttags(self, tags): |
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166 """Put tags into sink. |
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167 tags: {tagname: sink_rev_id, ...}""" |
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168 raise NotImplementedError() |
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169 |
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170 def setbranch(self, branch, pbranches): |
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171 """Set the current branch name. Called before the first putfile |
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172 on the branch. |
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173 branch: branch name for subsequent commits |
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174 pbranches: (converted parent revision, parent branch) tuples""" |
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175 pass |
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176 |
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177 def setfilemapmode(self, active): |
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178 """Tell the destination that we're using a filemap |
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179 |
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180 Some converter_sources (svn in particular) can claim that a file |
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181 was changed in a revision, even if there was no change. This method |
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182 tells the destination that we're using a filemap and that it should |
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183 filter empty revisions. |
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184 """ |
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185 pass |