Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/convert/common.py @ 5374:e710874247d1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
convert: allow the converter_source to say "skip this revision" If getchanges returns a string, it's assumed to be the id of an already converted revision. We map the current revision to the same revision this converted revision was mapped to. To allow skipping a root revision, getchanges can return the special string 'hg-convert-skipped-revision' (a.k.a. common.SKIPREV), which hopefully won't clash with any real id. The converter_source is responsible for rewriting the parents of the commit objects to make sure the revision graph makes sense.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Thu, 04 Oct 2007 23:21:37 -0300
parents 6aba1835a7b3
children 756a43a30e34
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 = 'hg-convert-skipped-revision'
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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 self.author = author
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25 self.date = date
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26 self.desc = desc
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27 self.parents = parents
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28 self.branch = branch
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29 self.rev = rev
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30
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31 class converter_source(object):
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32 """Conversion source interface"""
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33
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34 def __init__(self, ui, path, rev=None):
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35 """Initialize conversion source (or raise NoRepo("message")
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36 exception if path is not a valid repository)"""
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37 self.ui = ui
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38 self.path = path
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39 self.rev = rev
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40
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41 self.encoding = 'utf-8'
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42
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43 def before(self):
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44 pass
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45
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46 def after(self):
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47 pass
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48
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49 def setrevmap(self, revmap, order):
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50 """set the map of already-converted revisions
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51
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52 order is a list with the keys from revmap in the order they
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53 appear in the revision map file."""
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54 pass
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55
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56 def getheads(self):
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57 """Return a list of this repository's heads"""
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58 raise NotImplementedError()
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59
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60 def getfile(self, name, rev):
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61 """Return file contents as a string"""
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62 raise NotImplementedError()
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63
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64 def getmode(self, name, rev):
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65 """Return file mode, eg. '', 'x', or 'l'"""
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66 raise NotImplementedError()
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67
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68 def getchanges(self, version):
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69 """Returns a tuple of (files, copies)
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70 Files is a sorted list of (filename, id) tuples for all files changed
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71 in version, where id is the source revision id of the file.
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72
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73 copies is a dictionary of dest: source
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74 """
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75 raise NotImplementedError()
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76
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77 def getcommit(self, version):
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78 """Return the commit object for version"""
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79 raise NotImplementedError()
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80
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81 def gettags(self):
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82 """Return the tags as a dictionary of name: revision"""
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83 raise NotImplementedError()
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84
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85 def recode(self, s, encoding=None):
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86 if not encoding:
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87 encoding = self.encoding or 'utf-8'
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88
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89 if isinstance(s, unicode):
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90 return s.encode("utf-8")
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91 try:
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92 return s.decode(encoding).encode("utf-8")
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93 except:
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94 try:
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95 return s.decode("latin-1").encode("utf-8")
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96 except:
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97 return s.decode(encoding, "replace").encode("utf-8")
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98
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99 class converter_sink(object):
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100 """Conversion sink (target) interface"""
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101
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102 def __init__(self, ui, path):
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103 """Initialize conversion sink (or raise NoRepo("message")
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104 exception if path is not a valid repository)"""
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105 raise NotImplementedError()
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106
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107 def getheads(self):
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108 """Return a list of this repository's heads"""
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109 raise NotImplementedError()
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110
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111 def revmapfile(self):
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112 """Path to a file that will contain lines
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113 source_rev_id sink_rev_id
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114 mapping equivalent revision identifiers for each system."""
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115 raise NotImplementedError()
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116
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117 def authorfile(self):
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118 """Path to a file that will contain lines
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119 srcauthor=dstauthor
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120 mapping equivalent authors identifiers for each system."""
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121 return None
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122
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123 def putfile(self, f, e, data):
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124 """Put file for next putcommit().
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125 f: path to file
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126 e: '', 'x', or 'l' (regular file, executable, or symlink)
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127 data: file contents"""
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128 raise NotImplementedError()
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129
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130 def delfile(self, f):
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131 """Delete file for next putcommit().
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132 f: path to file"""
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133 raise NotImplementedError()
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134
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135 def putcommit(self, files, parents, commit):
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136 """Create a revision with all changed files listed in 'files'
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137 and having listed parents. 'commit' is a commit object containing
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138 at a minimum the author, date, and message for this changeset.
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139 Called after putfile() and delfile() calls. Note that the sink
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140 repository is not told to update itself to a particular revision
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141 (or even what that revision would be) before it receives the
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142 file data."""
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143 raise NotImplementedError()
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144
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145 def puttags(self, tags):
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146 """Put tags into sink.
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147 tags: {tagname: sink_rev_id, ...}"""
1b75e0eff532 document conversion interface
Daniel Holth <dholth@fastmail.fm>
parents: 4114
diff changeset
148 raise NotImplementedError()
5100
39b6eaee6fd7 convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents: 5076
diff changeset
149
5172
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
150 def setbranch(self, branch, pbranch, parents):
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
151 """Set the current branch name. Called before the first putfile
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
152 on the branch.
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
153 branch: branch name for subsequent commits
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
154 pbranch: branch name of parent commit
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
155 parents: destination revisions of parent"""
6b4c332f241b convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents: 5117
diff changeset
156 pass