Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/context.py @ 2611:1b4eb1f92433
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author | Lee Cantey <lcantey@gmail.com> |
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date | Thu, 13 Jul 2006 09:50:51 -0700 |
parents | d8560b458f76 |
children | b779319a532b |
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# context.py - changeset and file context objects for mercurial # # Copyright 2005 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. class changectx(object): """A changecontext object makes access to data related to a particular changeset convenient.""" def __init__(self, repo, changeid): """changeid is a revision number, node, or tag""" self._repo = repo self._id = changeid self._node = self._repo.lookup(self._id) self._rev = self._repo.changelog.rev(self._node) def changeset(self): try: return self._changeset except AttributeError: self._changeset = self._repo.changelog.read(self.node()) return self._changeset def manifest(self): try: return self._manifest except AttributeError: self._manifest = self._repo.manifest.read(self.changeset()[0]) return self._manifest def rev(self): return self._rev def node(self): return self._node def user(self): return self.changeset()[1] def date(self): return self.changeset()[2] def changedfiles(self): return self.changeset()[3] def description(self): return self.changeset()[4] def parents(self): """return contexts for each parent changeset""" p = self.repo.changelog.parents(self._node) return [ changectx(self._repo, x) for x in p ] def children(self): """return contexts for each child changeset""" c = self.repo.changelog.children(self._node) return [ changectx(self._repo, x) for x in c ] def filenode(self, path): node, flag = self._repo.manifest.find(self.changeset()[0], path) return node def filectx(self, path): """get a file context from this changeset""" return filectx(self._repo, path, fileid=self.filenode(path)) def filectxs(self): """generate a file context for each file in this changeset's manifest""" mf = self.manifest() m = mf.keys() m.sort() for f in m: yield self.filectx(f, fileid=mf[f]) class filectx(object): """A filecontext object makes access to data related to a particular filerevision convenient.""" def __init__(self, repo, path, changeid=None, fileid=None): """changeid can be a changeset revision, node, or tag. fileid can be a file revision or node.""" self._repo = repo self._path = path self._id = changeid self._fileid = fileid if self._id: # if given a changeset id, go ahead and look up the file self._changeset = changectx(repo, self._id) node, flag = self._repo.manifest.find(self._changeset[0], path) self._node = node self._filelog = self.repo.file(self._path) elif self._fileid: # else be lazy self._filelog = self._repo.file(self._path) self._filenode = self._filelog.lookup(self._fileid) self._filerev = self._filelog.rev(self._filenode) def changeset(self): try: return self._changeset except AttributeError: self._changeset = self._repo.changelog.read(self.node()) return self._changeset def filerev(self): return self._filerev def filenode(self): return self._filenode def filelog(self): return self._filelog def rev(self): return self.changeset().rev() def node(self): return self.changeset().node() def user(self): return self.changeset().user() def date(self): return self.changeset().date() def files(self): return self.changeset().files() def description(self): return self.changeset().description() def manifest(self): return self.changeset().manifest() def data(self): return self._filelog.read(self._filenode) def metadata(self): return self._filelog.readmeta(self._filenode) def renamed(self): return self._filelog.renamed(self._filenode) def parents(self): # need to fix for renames p = self._filelog.parents(self._filenode) return [ filectx(self._repo, self._path, fileid=x) for x in p ] def children(self): # hard for renames c = self._filelog.children(self._filenode) return [ filectx(self._repo, self._path, fileid=x) for x in c ] def annotate(self): return self._filelog.annotate(self._filenode)