def _get_object(self, sha, cls):
assert len(sha) in (20, 40)
ret = self.get_object(sha)
if ret._type != cls._type:
if cls is Commit:
raise NotCommitError(ret)
elif cls is Blob:
raise NotBlobError(ret)
elif cls is Tree:
raise NotTreeError(ret)
else:
raise Exception("Type invalid: %r != %r" %
(ret._type, cls._type))
return ret
def _get_object(self, sha, cls):
assert len(sha) in (20, 40)
ret = self.get_object(sha)
if not isinstance(ret, cls):
if cls is Commit:
raise NotCommitError(ret)
elif cls is Blob:
raise NotBlobError(ret)
elif cls is Tree:
raise NotTreeError(ret)
elif cls is Tag:
raise NotTagError(ret)
else:
raise Exception("Type invalid: %r != %r" % (
ret.type_name, cls.type_name))
return ret
def lookup_foreign_revision_id(self, foreign_revid, mapping=None):
"""Lookup a revision id.
:param foreign_revid: Foreign revision id to look up
:param mapping: Mapping to use (use default mapping if not specified)
:raise KeyError: If foreign revision was not found
:return: bzr revision id
"""
if not isinstance(foreign_revid, bytes):
raise TypeError(foreign_revid)
if mapping is None:
mapping = self.get_mapping()
if foreign_revid == ZERO_SHA:
return _mod_revision.NULL_REVISION
commit = self._git.object_store.peel_sha(foreign_revid)
if not isinstance(commit, Commit):
raise NotCommitError(commit.id)
revid = mapping.get_revision_id(commit)
# FIXME: check testament before doing this?
return revid
def from_path(cls, path):
commit = ShaFile.from_path(path)
if not isinstance(commit, cls):
raise NotCommitError(path)
return commit
def _get_commit(self, version="HEAD"):
commit = self.repo[version]
if not isinstance(commit, Commit):
raise NotCommitError(commit)
return commit
