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Viewing changes to bzrlib/plugins/launchpad/lp_indirect.py

  • Committer: Aaron Bentley
  • Date: 2007-06-21 23:43:17 UTC
  • mto: (2520.5.2 bzr.mpbundle)
  • mto: This revision was merged to the branch mainline in revision 2631.
  • Revision ID: abentley@panoramicfeedback.com-20070621234317-5w3h8h36oe90sups
Implement new merge directive format

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bzrlib/plugins/launchpad/lp_indirect.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2007 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Directory lookup that uses Launchpad."""
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from urlparse import urlsplit, urlunsplit
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import xmlrpclib
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Transport indirection that uses Launchpad as a directory lookup.
 
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When the transport is opened, it immediately redirects to a url
 
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on Launchpad, which can then either serve the branch itself or redirect
 
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again.
 
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"""
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from bzrlib import (
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    debug,
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    errors,
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    trace,
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    urlutils,
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    )
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from bzrlib.transport import (
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    get_transport,
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    register_urlparse_netloc_protocol,
 
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    Transport,
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    )
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from bzrlib.plugins.launchpad.lp_registration import (
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    LaunchpadService, ResolveLaunchpadPathRequest)
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from bzrlib.plugins.launchpad.account import get_lp_login
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# As bzrlib.transport.remote may not be loaded yet, make sure bzr+ssh
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# is counted as a netloc protocol.
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register_urlparse_netloc_protocol('bzr+ssh')
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register_urlparse_netloc_protocol('lp')
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class LaunchpadDirectory(object):
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    def _requires_launchpad_login(self, scheme, netloc, path, query,
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                                  fragment):
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        """Does the URL require a Launchpad login in order to be reached?
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        The URL is specified by its parsed components, as returned from
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        urlsplit.
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        """
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        return (scheme in ('bzr+ssh', 'sftp')
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                and (netloc.endswith('launchpad.net')
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                     or netloc.endswith('launchpad.dev')))
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    def look_up(self, name, url):
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        """See DirectoryService.look_up"""
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        return self._resolve(url)
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    def _resolve(self, url,
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                 _request_factory=ResolveLaunchpadPathRequest,
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                 _lp_login=None):
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        """Resolve the base URL for this transport."""
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        service = LaunchpadService.for_url(url)
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        result = urlsplit(url)
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        resolve = _request_factory(result[2].strip('/'))
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        try:
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            result = resolve.submit(service)
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        except xmlrpclib.Fault, fault:
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            raise errors.InvalidURL(
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                path=url, extra=fault.faultString)
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        if 'launchpad' in debug.debug_flags:
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            trace.mutter("resolve_lp_path(%r) == %r", url, result)
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        if _lp_login is None:
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            _lp_login = get_lp_login()
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        _warned_login = False
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        for url in result['urls']:
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            scheme, netloc, path, query, fragment = urlsplit(url)
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            if self._requires_launchpad_login(scheme, netloc, path, query,
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                                              fragment):
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                # Only accept launchpad.net bzr+ssh URLs if we know
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                # the user's Launchpad login:
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                if _lp_login is not None:
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                    break
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                if _lp_login is None:
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                    if not _warned_login:
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                        trace.warning(
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'You have not informed bzr of your Launchpad ID, and you must do this to\n'
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'write to Launchpad or access private data.  See "bzr help launchpad-login".')
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                        _warned_login = True
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            else:
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                # Use the URL if we can create a transport for it.
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                try:
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                    get_transport(url)
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                except (errors.PathError, errors.TransportError):
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                    pass
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                else:
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                    break
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        else:
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            raise errors.InvalidURL(path=url, extra='no supported schemes')
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        return url
 
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def launchpad_transport_indirect(base_url):
 
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    """Uses Launchpad.net as a directory of open source software"""
 
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    if base_url.startswith('lp:///'):
 
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        real_url = 'http://code.launchpad.net/' + base_url[6:]
 
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    elif base_url.startswith('lp:') and base_url[3] != '/':
 
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        real_url = 'http://code.launchpad.net/' + base_url[3:]
 
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    else:
 
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        raise errors.InvalidURL(path=base_url)
 
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    return get_transport(real_url)
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def get_test_permutations():