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- Committer: Martin Pool
- Date: 2005-09-05 05:35:25 UTC
- mfrom: (974.1.55)
- Revision ID: mbp@sourcefrog.net-20050905053525-2112bac069dbe331
- merge various bug fixes from aaron
aaron.bentley@utoronto.ca-20050905020131-a2d5b7711dd6cd98
aaron.bentley@utoronto.ca-20050905020131-a2d5b7711dd6cd98
- files added:
- bzrlib/selftest/teststore.py
- files modified:
- bzrlib/branch.py
added
removed
bzrlib/branch.py
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def lookup_revision(self, revision):
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"""Return the revision identifier for a given revision information."""
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revno, info = self.get_revision_info(revision)
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revno, info = self._get_revision_info(revision)
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return info
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revision can also be a string, in which case it is parsed for something like
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'date:' or 'revid:' etc.
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"""
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revno, rev_id = self._get_revision_info(revision)
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if revno is None:
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raise bzrlib.errors.NoSuchRevision(self, revision)
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return revno, rev_id
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def get_rev_id(self, revno, history=None):
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"""Find the revision id of the specified revno."""
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if revno == 0:
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return None
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if history is None:
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history = self.revision_history()
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elif revno <= 0 or revno > len(history):
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raise bzrlib.errors.NoSuchRevision(self, revno)
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return history[revno - 1]
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def _get_revision_info(self, revision):
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"""Return (revno, revision id) for revision specifier.
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revision can be an integer, in which case it is assumed to be revno
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(though this will translate negative values into positive ones)
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revision can also be a string, in which case it is parsed for something
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like 'date:' or 'revid:' etc.
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A revid is always returned. If it is None, the specifier referred to
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the null revision. If the revid does not occur in the revision
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history, revno will be None.
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"""
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if revision is None:
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return 0, None
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revno = None
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pass
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revs = self.revision_history()
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if isinstance(revision, int):
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if revision == 0:
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return 0, None
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# Mabye we should do this first, but we don't need it if revision == 0
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if revision < 0:
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revno = len(revs) + revision + 1
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else:
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revno = revision
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rev_id = self.get_rev_id(revno, revs)
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elif isinstance(revision, basestring):
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for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
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if revision.startswith(prefix):
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revno = func(self, revs, revision)
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result = func(self, revs, revision)
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if len(result) > 1:
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revno, rev_id = result
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else:
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revno = result[0]
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rev_id = self.get_rev_id(revno, revs)
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break
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else:
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raise BzrError('No namespace registered for string: %r' % revision)
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raise BzrError('No namespace registered for string: %r' %
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revision)
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else:
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raise TypeError('Unhandled revision type %s' % revision)
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if revno is None or revno <= 0 or revno > len(revs):
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raise BzrError("no such revision %s" % revision)
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return revno, revs[revno-1]
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if revno is None:
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if rev_id is None:
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raise bzrlib.errors.NoSuchRevision(self, revision)
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return revno, rev_id
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def _namespace_revno(self, revs, revision):
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"""Lookup a revision by revision number"""
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assert revision.startswith('revno:')
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try:
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return int(revision[6:])
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return (int(revision[6:]),)
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except ValueError:
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return None
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REVISION_NAMESPACES['revno:'] = _namespace_revno
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def _namespace_revid(self, revs, revision):
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assert revision.startswith('revid:')
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rev_id = revision[len('revid:'):]
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try:
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return revs.index(revision[6:]) + 1
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return revs.index(rev_id) + 1, rev_id
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except ValueError:
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return None
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return None, rev_id
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REVISION_NAMESPACES['revid:'] = _namespace_revid
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def _namespace_last(self, revs, revision):
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try:
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offset = int(revision[5:])
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except ValueError:
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return None
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return (None,)
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else:
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if offset <= 0:
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raise BzrError('You must supply a positive value for --revision last:XXX')
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return len(revs) - offset + 1
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return (len(revs) - offset + 1,)
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REVISION_NAMESPACES['last:'] = _namespace_last
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def _namespace_tag(self, revs, revision):
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# TODO: Handle timezone.
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dt = datetime.datetime.fromtimestamp(r.timestamp)
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if first >= dt and (last is None or dt >= last):
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return i+1
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return (i+1,)
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else:
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for i in range(len(revs)):
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r = self.get_revision(revs[i])
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# TODO: Handle timezone.
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dt = datetime.datetime.fromtimestamp(r.timestamp)
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if first <= dt and (last is None or dt <= last):
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return i+1
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return (i+1,)
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REVISION_NAMESPACES['date:'] = _namespace_date
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def revision_tree(self, revision_id):
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finally:
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self.unlock()
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def check_revno(self, revno):
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"""\
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Check whether a revno corresponds to any revision.
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Zero (the NULL revision) is considered valid.
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"""
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if revno != 0:
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self.check_real_revno(revno)
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def check_real_revno(self, revno):
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"""\
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Check whether a revno corresponds to a real revision.
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Zero (the NULL revision) is considered invalid
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"""
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if revno < 1 or revno > self.revno():
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raise InvalidRevisionNumber(revno)
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