1661
1661
_fmt = '%(source)s is%(permanently)s redirected to %(target)s'
1663
def __init__(self, source, target, is_permanent=False, qual_proto=None):
1663
def __init__(self, source, target, is_permanent=False):
1664
1664
self.source = source
1665
1665
self.target = target
1666
1666
if is_permanent:
1667
1667
self.permanently = ' permanently'
1669
1669
self.permanently = ''
1670
self._qualified_proto = qual_proto
1671
1670
TransportError.__init__(self)
1673
def _requalify_url(self, url):
1674
"""Restore the qualified proto in front of the url"""
1675
# When this exception is raised, source and target are in
1676
# user readable format. But some transports may use a
1677
# different proto (http+urllib:// will present http:// to
1678
# the user. If a qualified proto is specified, the code
1679
# trapping the exception can get the qualified urls to
1680
# properly handle the redirection themself (creating a
1681
# new transport object from the target url for example).
1682
# But checking that the scheme of the original and
1683
# redirected urls are the same can be tricky. (see the
1684
# FIXME in BzrDir.open_from_transport for the unique use
1686
if self._qualified_proto is None:
1689
# The TODO related to NotBranchError mention that doing
1690
# that kind of manipulation on the urls may not be the
1691
# exception object job. On the other hand, this object is
1692
# the interface between the code and the user so
1693
# presenting the urls in different ways is indeed its
1696
proto, netloc, path, query, fragment = urlparse.urlsplit(url)
1697
return urlparse.urlunsplit((self._qualified_proto, netloc, path,
1700
def get_source_url(self):
1701
return self._requalify_url(self.source)
1703
def get_target_url(self):
1704
return self._requalify_url(self.target)
1707
1673
class TooManyRedirections(TransportError):