# Copyright (C) 2007-2010 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Directory lookup that uses Launchpad."""
from urlparse import urlsplit
import xmlrpclib
from bzrlib import (
debug,
errors,
trace,
)
from bzrlib.transport import (
get_transport,
register_urlparse_netloc_protocol,
)
from bzrlib.plugins.launchpad.lp_registration import (
LaunchpadService, ResolveLaunchpadPathRequest)
from bzrlib.plugins.launchpad.account import get_lp_login
# As bzrlib.transport.remote may not be loaded yet, make sure bzr+ssh
# is counted as a netloc protocol.
register_urlparse_netloc_protocol('bzr+ssh')
register_urlparse_netloc_protocol('lp')
class LaunchpadDirectory(object):
def _requires_launchpad_login(self, scheme, netloc, path, query,
fragment):
"""Does the URL require a Launchpad login in order to be reached?
The URL is specified by its parsed components, as returned from
urlsplit.
"""
return (scheme in ('bzr+ssh', 'sftp')
and (netloc.endswith('launchpad.net')
or netloc.endswith('launchpad.dev')))
def look_up(self, name, url):
"""See DirectoryService.look_up"""
return self._resolve(url)
def _resolve(self, url,
_request_factory=ResolveLaunchpadPathRequest,
_lp_login=None):
"""Resolve the base URL for this transport."""
service = LaunchpadService.for_url(url)
result = urlsplit(url)
resolve = _request_factory(result[2].strip('/'))
try:
result = resolve.submit(service)
except xmlrpclib.Fault, fault:
raise errors.InvalidURL(
path=url, extra=fault.faultString)
if 'launchpad' in debug.debug_flags:
trace.mutter("resolve_lp_path(%r) == %r", url, result)
if _lp_login is None:
_lp_login = get_lp_login()
_warned_login = False
for url in result['urls']:
scheme, netloc, path, query, fragment = urlsplit(url)
if self._requires_launchpad_login(scheme, netloc, path, query,
fragment):
# Only accept launchpad.net bzr+ssh URLs if we know
# the user's Launchpad login:
if _lp_login is not None:
break
if _lp_login is None:
if not _warned_login:
trace.warning(
'You have not informed bzr of your Launchpad ID, and you must do this to\n'
'write to Launchpad or access private data. See "bzr help launchpad-login".')
_warned_login = True
else:
# Use the URL if we can create a transport for it.
try:
get_transport(url)
except (errors.PathError, errors.TransportError):
pass
else:
break
else:
raise errors.InvalidURL(path=url, extra='no supported schemes')
return url
def get_test_permutations():
# Since this transport doesn't do anything once opened, it's not subjected
# to the usual transport tests.
return []
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