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annotate mercurial/context.py @ 2629:a49534aac47d

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context.py: various fixes - use a normal changeset instead of a context - define _filenode instead of _node to match the else clause
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Sun, 16 Jul 2006 16:40:24 +0200
parents 9999a796d389
children f23973ea3107
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1 # context.py - changeset and file context objects for mercurial
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 class changectx(object):
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9 """A changecontext object makes access to data related to a particular
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10 changeset convenient."""
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11 def __init__(self, repo, changeid):
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12 """changeid is a revision number, node, or tag"""
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13 self._repo = repo
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14 self._id = changeid
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15
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16 self._node = self._repo.lookup(self._id)
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17 self._rev = self._repo.changelog.rev(self._node)
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18
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19 def changeset(self):
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20 try:
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21 return self._changeset
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22 except AttributeError:
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23 self._changeset = self._repo.changelog.read(self.node())
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24 return self._changeset
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25
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26 def manifest(self):
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27 try:
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28 return self._manifest
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29 except AttributeError:
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30 self._manifest = self._repo.manifest.read(self.changeset()[0])
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31 return self._manifest
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32
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33 def rev(self): return self._rev
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34 def node(self): return self._node
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35 def user(self): return self.changeset()[1]
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36 def date(self): return self.changeset()[2]
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37 def changedfiles(self): return self.changeset()[3]
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38 def description(self): return self.changeset()[4]
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39
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40 def parents(self):
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41 """return contexts for each parent changeset"""
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42 p = self._repo.changelog.parents(self._node)
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43 return [ changectx(self._repo, x) for x in p ]
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44
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45 def children(self):
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46 """return contexts for each child changeset"""
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47 c = self._repo.changelog.children(self._node)
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48 return [ changectx(self._repo, x) for x in c ]
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49
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50 def filenode(self, path):
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51 node, flag = self._repo.manifest.find(self.changeset()[0], path)
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52 return node
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53
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54 def filectx(self, path, fileid=None):
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55 """get a file context from this changeset"""
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56 if fileid is None:
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57 fileid = self.filenode(path)
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58 return filectx(self._repo, path, fileid=fileid)
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59
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60 def filectxs(self):
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61 """generate a file context for each file in this changeset's
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62 manifest"""
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63 mf = self.manifest()
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64 m = mf.keys()
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65 m.sort()
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66 for f in m:
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67 yield self.filectx(f, fileid=mf[f])
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68
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69 class filectx(object):
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70 """A filecontext object makes access to data related to a particular
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71 filerevision convenient."""
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72 def __init__(self, repo, path, changeid=None, fileid=None):
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73 """changeid can be a changeset revision, node, or tag.
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74 fileid can be a file revision or node."""
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75 self._repo = repo
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76 self._path = path
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77 self._id = changeid
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78 self._fileid = fileid
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79
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80 if self._id:
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81 # if given a changeset id, go ahead and look up the file
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82 self._changeset = self._repo.changelog.read(self._id)
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83 node, flag = self._repo.manifest.find(self._changeset[0], path)
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84 self._filelog = self._repo.file(self._path)
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85 self._filenode = node
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86 elif self._fileid:
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87 # else be lazy
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88 self._filelog = self._repo.file(self._path)
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89 self._filenode = self._filelog.lookup(self._fileid)
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90 self._filerev = self._filelog.rev(self._filenode)
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91
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92 def changeset(self):
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93 try:
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94 return self._changeset
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95 except AttributeError:
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96 self._changeset = self._repo.changelog.read(self.node())
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97 return self._changeset
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98
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99 def filerev(self): return self._filerev
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100 def filenode(self): return self._filenode
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101 def filelog(self): return self._filelog
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102
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103 def rev(self): return self.changeset().rev()
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104 def node(self): return self.changeset().node()
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105 def user(self): return self.changeset().user()
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106 def date(self): return self.changeset().date()
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107 def files(self): return self.changeset().files()
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108 def description(self): return self.changeset().description()
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109 def manifest(self): return self.changeset().manifest()
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110
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111 def data(self): return self._filelog.read(self._filenode)
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112 def metadata(self): return self._filelog.readmeta(self._filenode)
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113 def renamed(self): return self._filelog.renamed(self._filenode)
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114
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115 def parents(self):
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116 # need to fix for renames
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117 p = self._filelog.parents(self._filenode)
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118 return [ filectx(self._repo, self._path, fileid=x) for x in p ]
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119
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120 def children(self):
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121 # hard for renames
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122 c = self._filelog.children(self._filenode)
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123 return [ filectx(self._repo, self._path, fileid=x) for x in c ]
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124
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125 def annotate(self):
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126 return self._filelog.annotate(self._filenode)