Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/convert/common.py @ 5012:be25decfdb13

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
convert: make commit constructor clearer and less magical
author Bryan O'Sullivan <bos@serpentine.com>
date Thu, 26 Jul 2007 13:34:36 -0700
parents 89fbb0a5e8e3
children 7963438881f5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cc9b79216a76 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
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3 class NoRepo(Exception): pass
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4
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5 class commit(object):
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6 def __init__(self, author, date, desc, parents, branch=None, rev=None,
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7 copies={}):
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8 self.rev = None
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9 self.branch = None
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10 self.author = author
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11 self.date = date
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12 if desc and not desc.isspace():
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13 self.desc = desc
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14 else:
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15 self.desc = '*** empty log message ***'
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16 self.parents = parents
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17 self.branch = branch
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18 self.rev = rev
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19 self.copies = copies
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20
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21 class converter_source(object):
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22 """Conversion source interface"""
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23
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24 def __init__(self, ui, path, rev=None):
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25 """Initialize conversion source (or raise NoRepo("message")
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26 exception if path is not a valid repository)"""
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27 self.ui = ui
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28 self.path = path
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29 self.rev = rev
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30
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31 self.encoding = 'utf-8'
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32
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33 def setrevmap(self, revmap):
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34 """set the map of already-converted revisions"""
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35 pass
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36
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37 def getheads(self):
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38 """Return a list of this repository's heads"""
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39 raise NotImplementedError()
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40
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41 def getfile(self, name, rev):
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42 """Return file contents as a string"""
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43 raise NotImplementedError()
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44
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45 def getmode(self, name, rev):
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46 """Return file mode, eg. '', 'x', or 'l'"""
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47 raise NotImplementedError()
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48
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49 def getchanges(self, version):
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50 """Return sorted list of (filename, id) tuples for all files changed in rev.
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51
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52 id just tells us which revision to return in getfile(), e.g. in
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53 git it's an object hash."""
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54 raise NotImplementedError()
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55
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56 def getcommit(self, version):
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57 """Return the commit object for version"""
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58 raise NotImplementedError()
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59
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60 def gettags(self):
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61 """Return the tags as a dictionary of name: revision"""
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62 raise NotImplementedError()
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63
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64 def recode(self, s, encoding=None):
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65 if not encoding:
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66 encoding = self.encoding or 'utf-8'
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67
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68 try:
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69 return s.decode(encoding).encode("utf-8")
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70 except:
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71 try:
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72 return s.decode("latin-1").encode("utf-8")
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73 except:
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74 return s.decode(encoding, "replace").encode("utf-8")
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75
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76 class converter_sink(object):
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77 """Conversion sink (target) interface"""
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78
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79 def __init__(self, ui, path):
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80 """Initialize conversion sink (or raise NoRepo("message")
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81 exception if path is not a valid repository)"""
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82 raise NotImplementedError()
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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 revmapfile(self):
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89 """Path to a file that will contain lines
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90 source_rev_id sink_rev_id
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91 mapping equivalent revision identifiers for each system."""
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92 raise NotImplementedError()
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93
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94 def authorfile(self):
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95 """Path to a file that will contain lines
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96 srcauthor=dstauthor
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97 mapping equivalent authors identifiers for each system."""
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98 return None
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99
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100 def putfile(self, f, e, data):
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101 """Put file for next putcommit().
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102 f: path to file
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103 e: '', 'x', or 'l' (regular file, executable, or symlink)
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104 data: file contents"""
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105 raise NotImplementedError()
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106
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107 def delfile(self, f):
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108 """Delete file for next putcommit().
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109 f: path to file"""
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110 raise NotImplementedError()
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111
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112 def putcommit(self, files, parents, commit):
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113 """Create a revision with all changed files listed in 'files'
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114 and having listed parents. 'commit' is a commit object containing
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115 at a minimum the author, date, and message for this changeset.
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116 Called after putfile() and delfile() calls. Note that the sink
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117 repository is not told to update itself to a particular revision
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118 (or even what that revision would be) before it receives the
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119 file data."""
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120 raise NotImplementedError()
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121
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122 def puttags(self, tags):
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123 """Put tags into sink.
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124 tags: {tagname: sink_rev_id, ...}"""
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125 raise NotImplementedError()