Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/context.py @ 3215:931288cf58a7

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contexts: use __getattr__ rather than try/except in changectx
author Matt Mackall <mpm@selenic.com>
date Mon, 02 Oct 2006 15:17:59 -0500
parents 696c656202a0
children d865390c1781
comparison
equal deleted inserted replaced
3214:696c656202a0 3215:931288cf58a7
42 return self._rev == other._rev 42 return self._rev == other._rev
43 43
44 def __nonzero__(self): 44 def __nonzero__(self):
45 return self._rev != -1 45 return self._rev != -1
46 46
47 def changeset(self): 47 def __getattr__(self, name):
48 try: 48 if name == '_changeset':
49 return self._changeset
50 except AttributeError:
51 self._changeset = self._repo.changelog.read(self.node()) 49 self._changeset = self._repo.changelog.read(self.node())
52 return self._changeset 50 return self._changeset
53 51 elif name == '_manifest':
54 def manifest(self): 52 self._manifest = self._repo.manifest.read(self._changeset[0])
55 try:
56 return self._manifest 53 return self._manifest
57 except AttributeError: 54 else:
58 self._manifest = self._repo.manifest.read(self.changeset()[0]) 55 raise AttributeError, name
59 return self._manifest 56
57 def changeset(self): return self._changeset
58 def manifest(self): return self._manifest
60 59
61 def rev(self): return self._rev 60 def rev(self): return self._rev
62 def node(self): return self._node 61 def node(self): return self._node
63 def user(self): return self.changeset()[1] 62 def user(self): return self._changeset[1]
64 def date(self): return self.changeset()[2] 63 def date(self): return self._changeset[2]
65 def files(self): return self.changeset()[3] 64 def files(self): return self._changeset[3]
66 def description(self): return self.changeset()[4] 65 def description(self): return self._changeset[4]
67 66
68 def parents(self): 67 def parents(self):
69 """return contexts for each parent changeset""" 68 """return contexts for each parent changeset"""
70 p = self._repo.changelog.parents(self._node) 69 p = self._repo.changelog.parents(self._node)
71 return [ changectx(self._repo, x) for x in p ] 70 return [ changectx(self._repo, x) for x in p ]
74 """return contexts for each child changeset""" 73 """return contexts for each child changeset"""
75 c = self._repo.changelog.children(self._node) 74 c = self._repo.changelog.children(self._node)
76 return [ changectx(self._repo, x) for x in c ] 75 return [ changectx(self._repo, x) for x in c ]
77 76
78 def filenode(self, path): 77 def filenode(self, path):
79 node, flag = self._repo.manifest.find(self.changeset()[0], path) 78 if hasattr(self, "_manifest"):
79 return self._manifest[path]
80 node, flag = self._repo.manifest.find(self._changeset[0], path)
80 return node 81 return node
81 82
82 def filectx(self, path, fileid=None): 83 def filectx(self, path, fileid=None):
83 """get a file context from this changeset""" 84 """get a file context from this changeset"""
84 if fileid is None: 85 if fileid is None: