author | Matt Mackall <mpm@selenic.com> |
Sun, 17 Sep 2006 17:39:19 -0500 | |
changeset 3112 | 5cc62d99b785 |
parent 2858 | 345bac2bc4ec |
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permissions | -rw-r--r-- |
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# context.py - changeset and file context objects for mercurial |
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# |
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# Copyright 2006 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms |
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# of the GNU General Public License, incorporated herein by reference. |
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class changectx(object): |
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"""A changecontext object makes access to data related to a particular |
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changeset convenient.""" |
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def __init__(self, repo, changeid): |
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"""changeid is a revision number, node, or tag""" |
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self._repo = repo |
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self._node = self._repo.lookup(changeid) |
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self._rev = self._repo.changelog.rev(self._node) |
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def changeset(self): |
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try: |
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return self._changeset |
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except AttributeError: |
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self._changeset = self._repo.changelog.read(self.node()) |
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return self._changeset |
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def manifest(self): |
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try: |
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return self._manifest |
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except AttributeError: |
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self._manifest = self._repo.manifest.read(self.changeset()[0]) |
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return self._manifest |
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def rev(self): return self._rev |
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def node(self): return self._node |
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def user(self): return self.changeset()[1] |
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def date(self): return self.changeset()[2] |
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def changedfiles(self): return self.changeset()[3] |
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def description(self): return self.changeset()[4] |
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def parents(self): |
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"""return contexts for each parent changeset""" |
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p = self._repo.changelog.parents(self._node) |
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return [ changectx(self._repo, x) for x in p ] |
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def children(self): |
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"""return contexts for each child changeset""" |
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c = self._repo.changelog.children(self._node) |
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return [ changectx(self._repo, x) for x in c ] |
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def filenode(self, path): |
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node, flag = self._repo.manifest.find(self.changeset()[0], path) |
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return node |
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def filectx(self, path, fileid=None): |
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"""get a file context from this changeset""" |
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if fileid is None: |
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fileid = self.filenode(path) |
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return filectx(self._repo, path, fileid=fileid) |
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def filectxs(self): |
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"""generate a file context for each file in this changeset's |
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manifest""" |
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mf = self.manifest() |
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m = mf.keys() |
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m.sort() |
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for f in m: |
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yield self.filectx(f, fileid=mf[f]) |
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class filectx(object): |
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"""A filecontext object makes access to data related to a particular |
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filerevision convenient.""" |
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def __init__(self, repo, path, changeid=None, fileid=None): |
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"""changeid can be a changeset revision, node, or tag. |
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fileid can be a file revision or node.""" |
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self._repo = repo |
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self._path = path |
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assert changeid or fileid |
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if not fileid: |
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# if given a changeset id, go ahead and look up the file |
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self._changeid = changeid |
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self._changectx = self.changectx() |
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self._filelog = self._repo.file(self._path) |
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self._filenode = self._changectx.filenode(self._path) |
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else: |
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# else be lazy |
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self._filelog = self._repo.file(self._path) |
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self._filenode = self._filelog.lookup(fileid) |
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self._changeid = self._filelog.linkrev(self._filenode) |
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self._filerev = self._filelog.rev(self._filenode) |
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def changectx(self): |
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try: |
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return self._changectx |
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except AttributeError: |
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self._changectx = changectx(self._repo, self._changeid) |
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return self._changectx |
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def filerev(self): return self._filerev |
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def filenode(self): return self._filenode |
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def filelog(self): return self._filelog |
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def rev(self): return self.changectx().rev() |
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def node(self): return self.changectx().node() |
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def user(self): return self.changectx().user() |
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def date(self): return self.changectx().date() |
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def files(self): return self.changectx().files() |
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def description(self): return self.changectx().description() |
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def manifest(self): return self.changectx().manifest() |
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def data(self): return self._filelog.read(self._filenode) |
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def metadata(self): return self._filelog.readmeta(self._filenode) |
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def renamed(self): return self._filelog.renamed(self._filenode) |
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def parents(self): |
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# need to fix for renames |
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p = self._filelog.parents(self._filenode) |
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return [ filectx(self._repo, self._path, fileid=x) for x in p ] |
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|
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def children(self): |
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# hard for renames |
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c = self._filelog.children(self._filenode) |
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return [ filectx(self._repo, self._path, fileid=x) for x in c ] |
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|
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def annotate(self): |
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return self._filelog.annotate(self._filenode) |