Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/context.py @ 2698:c1123e83c8e2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mq: fix qnew and qimport to deal with series file comments qnew and qimport did not take comments into account when deciding where to place new patches in the series file.
author Chris Mason <mason@suse.com>
date Thu, 27 Jul 2006 09:27:42 -0700
parents f23973ea3107
children 345bac2bc4ec
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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
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15 self._node = self._repo.lookup(changeid)
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16 self._rev = self._repo.changelog.rev(self._node)
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17
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18 def changeset(self):
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19 try:
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20 return self._changeset
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21 except AttributeError:
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22 self._changeset = self._repo.changelog.read(self.node())
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23 return self._changeset
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24
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25 def manifest(self):
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26 try:
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27 return self._manifest
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28 except AttributeError:
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29 self._manifest = self._repo.manifest.read(self.changeset()[0])
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30 return self._manifest
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31
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32 def rev(self): return self._rev
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33 def node(self): return self._node
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34 def user(self): return self.changeset()[1]
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35 def date(self): return self.changeset()[2]
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36 def changedfiles(self): return self.changeset()[3]
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37 def description(self): return self.changeset()[4]
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38
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39 def parents(self):
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40 """return contexts for each parent changeset"""
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41 p = self._repo.changelog.parents(self._node)
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42 return [ changectx(self._repo, x) for x in p ]
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43
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44 def children(self):
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45 """return contexts for each child changeset"""
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46 c = self._repo.changelog.children(self._node)
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47 return [ changectx(self._repo, x) for x in c ]
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48
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49 def filenode(self, path):
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50 node, flag = self._repo.manifest.find(self.changeset()[0], path)
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51 return node
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52
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53 def filectx(self, path, fileid=None):
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54 """get a file context from this changeset"""
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55 if fileid is None:
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56 fileid = self.filenode(path)
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57 return filectx(self._repo, path, fileid=fileid)
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58
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59 def filectxs(self):
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60 """generate a file context for each file in this changeset's
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61 manifest"""
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62 mf = self.manifest()
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63 m = mf.keys()
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64 m.sort()
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65 for f in m:
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66 yield self.filectx(f, fileid=mf[f])
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67
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68 class filectx(object):
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69 """A filecontext object makes access to data related to a particular
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70 filerevision convenient."""
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71 def __init__(self, repo, path, changeid=None, fileid=None):
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72 """changeid can be a changeset revision, node, or tag.
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73 fileid can be a file revision or node."""
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74 self._repo = repo
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75 self._path = path
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76
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77 assert changeid or fileid
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78
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79 if not fileid:
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80 # if given a changeset id, go ahead and look up the file
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81 self._changeid = changeid
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82 self._changectx = self.changectx()
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83 self._filelog = self._repo.file(self._path)
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84 self._filenode = self._changectx.filenode(self._path)
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85 else:
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86 # else be lazy
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87 self._filelog = self._repo.file(self._path)
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88 self._filenode = self._filelog.lookup(fileid)
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89 self._changeid = self._filelog.linkrev(self._filenode)
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90 self._filerev = self._filelog.rev(self._filenode)
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91
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92 def changectx(self):
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93 try:
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94 return self._changectx
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95 except AttributeError:
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96 self._changectx = changectx(self._repo, self._changeid)
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97 return self._changectx
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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.changectx().rev()
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104 def node(self): return self.changectx().node()
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105 def user(self): return self.changectx().user()
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106 def date(self): return self.changectx().date()
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107 def files(self): return self.changectx().files()
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108 def description(self): return self.changectx().description()
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109 def manifest(self): return self.changectx().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)