Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/convert/common.py @ 4809:c2d529f288a1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
convert: move some code into common init function
author Brendan Cully <brendan@kublai.com>
date Thu, 05 Jul 2007 12:08:48 -0700
parents 15a3cbfc6568
children a5209b0487e0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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ac2fe196ac9b Turns convert.py into a real extension
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2
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fad134931327 convert-repo: add basic CVS import support
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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, **parts):
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7 for x in "author date desc parents".split():
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8 if not x in parts:
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9 raise util.Abort("commit missing field %s" % x)
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10 self.__dict__.update(parts)
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11 if not self.desc or self.desc.isspace():
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12 self.desc = '*** empty log message ***'
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13
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14 class converter_source(object):
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15 """Conversion source interface"""
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16
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17 def __init__(self, ui, path, rev=None):
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18 """Initialize conversion source (or raise NoRepo("message")
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19 exception if path is not a valid repository)"""
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20 self.ui = ui
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21 self.path = path
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22 self.rev = rev
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23
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24 self.encoding = 'utf-8'
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25
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26 def getheads(self):
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27 """Return a list of this repository's heads"""
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28 raise NotImplementedError()
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29
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30 def getfile(self, name, rev):
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31 """Return file contents as a string"""
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32 raise NotImplementedError()
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33
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34 def getmode(self, name, rev):
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35 """Return file mode, eg. '', 'x', or 'l'"""
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36 raise NotImplementedError()
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37
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38 def getchanges(self, version):
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39 """Return sorted list of (filename, id) tuples for all files changed in rev.
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40
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41 id just tells us which revision to return in getfile(), e.g. in
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42 git it's an object hash."""
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43 raise NotImplementedError()
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44
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45 def getcommit(self, version):
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46 """Return the commit object for version"""
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47 raise NotImplementedError()
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48
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49 def gettags(self):
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50 """Return the tags as a dictionary of name: revision"""
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51 raise NotImplementedError()
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52
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53 def recode(self, s, encoding=None):
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54 if not encoding:
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55 encoding = self.encoding or 'utf-8'
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56
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57 try:
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58 return s.decode(encoding).encode("utf-8")
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59 except:
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60 try:
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61 return s.decode("latin-1").encode("utf-8")
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62 except:
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63 return s.decode(encoding, "replace").encode("utf-8")
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64
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65 class converter_sink(object):
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66 """Conversion sink (target) interface"""
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67
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68 def __init__(self, ui, path):
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69 """Initialize conversion sink (or raise NoRepo("message")
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70 exception if path is not a valid repository)"""
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71 raise NotImplementedError()
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72
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73 def getheads(self):
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74 """Return a list of this repository's heads"""
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75 raise NotImplementedError()
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76
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77 def mapfile(self):
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78 """Path to a file that will contain lines
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79 source_rev_id sink_rev_id
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80 mapping equivalent revision identifiers for each system."""
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81 raise NotImplementedError()
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82
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83 def authorfile(self):
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84 """Path to a file that will contain lines
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85 srcauthor=dstauthor
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86 mapping equivalent authors identifiers for each system."""
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87 return None
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88
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89 def putfile(self, f, e, data):
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90 """Put file for next putcommit().
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91 f: path to file
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92 e: '', 'x', or 'l' (regular file, executable, or symlink)
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93 data: file contents"""
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94 raise NotImplementedError()
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95
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96 def delfile(self, f):
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97 """Delete file for next putcommit().
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98 f: path to file"""
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99 raise NotImplementedError()
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100
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101 def putcommit(self, files, parents, commit):
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102 """Create a revision with all changed files listed in 'files'
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103 and having listed parents. 'commit' is a commit object containing
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104 at a minimum the author, date, and message for this changeset.
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105 Called after putfile() and delfile() calls. Note that the sink
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106 repository is not told to update itself to a particular revision
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107 (or even what that revision would be) before it receives the
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108 file data."""
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109 raise NotImplementedError()
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110
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111 def puttags(self, tags):
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112 """Put tags into sink.
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113 tags: {tagname: sink_rev_id, ...}"""
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114 raise NotImplementedError()