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

  • Committer: John Arbash Meinel
  • Author(s): Mark Hammond
  • Date: 2008-09-09 17:02:21 UTC
  • mto: This revision was merged to the branch mainline in revision 3697.
  • Revision ID: john@arbash-meinel.com-20080909170221-svim3jw2mrz0amp3
An updated transparent icon for bzr.

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bzrlib/plugins/launchpad/lp_directory.py
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# Copyright (C) 2007-2011 Canonical Ltd
 
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# Copyright (C) 2007, 2008 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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Directory lookup that uses Launchpad."""
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from __future__ import absolute_import
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from urlparse import urlsplit
 
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from urlparse import urlsplit, urlunsplit
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import xmlrpclib
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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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    transport,
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    )
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from bzrlib.i18n import gettext
 
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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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    )
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from bzrlib.plugins.launchpad.lp_registration import (
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    LaunchpadService, ResolveLaunchpadPathRequest)
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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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transport.register_urlparse_netloc_protocol('bzr+ssh')
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transport.register_urlparse_netloc_protocol('lp')
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_ubuntu_series_shortcuts = {
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    'n': 'natty',
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    'm': 'maverick',
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    'l': 'lucid',
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    'k': 'karmic',
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    'j': 'jaunty',
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    'h': 'hardy',
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    'd': 'dapper',
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    }
 
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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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        """See DirectoryService.look_up"""
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        return self._resolve(url)
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    def _resolve_locally(self, path, url, _request_factory):
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        # This is the best I could work out about XMLRPC. If an lp: url
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        # includes ~user, then it is specially validated. Otherwise, it is just
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        # sent to +branch/$path.
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        _, netloc, _, _, _ = urlsplit(url)
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        if netloc == '':
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            netloc = LaunchpadService.DEFAULT_INSTANCE
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        base_url = LaunchpadService.LAUNCHPAD_DOMAINS[netloc]
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        base = 'bzr+ssh://bazaar.%s/' % (base_url,)
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        maybe_invalid = False
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        if path.startswith('~'):
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            # A ~user style path, validate it a bit.
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            # If a path looks fishy, fall back to asking XMLRPC to
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            # resolve it for us. That way we still get their nicer error
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            # messages.
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            parts = path.split('/')
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            if (len(parts) < 3
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                or (parts[1] in ('ubuntu', 'debian') and len(parts) < 5)):
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                # This special case requires 5-parts to be valid.
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                maybe_invalid = True
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        else:
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            base += '+branch/'
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        if maybe_invalid:
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            return self._resolve_via_xmlrpc(path, url, _request_factory)
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        return {'urls': [base + path]}
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    def _resolve_via_xmlrpc(self, path, url, _request_factory):
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        service = LaunchpadService.for_url(url)
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        resolve = _request_factory(path)
 
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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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        result = urlsplit(url)
 
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        # Perform an XMLRPC request to resolve the path
 
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        lp_instance = result[1]
 
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        if lp_instance == '':
 
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            lp_instance = None
 
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        elif lp_instance not in LaunchpadService.LAUNCHPAD_INSTANCE:
 
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            raise errors.InvalidURL(path=url)
 
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        resolve = _request_factory(result[2].strip('/'))
 
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        service = LaunchpadService(lp_instance=lp_instance)
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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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        return result
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    def _update_url_scheme(self, url):
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        # Do ubuntu: and debianlp: expansions.
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        scheme, netloc, path, query, fragment = urlsplit(url)
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        if scheme in ('ubuntu', 'debianlp'):
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            if scheme == 'ubuntu':
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                distro = 'ubuntu'
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                distro_series = _ubuntu_series_shortcuts
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            elif scheme == 'debianlp':
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                distro = 'debian'
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                # No shortcuts for Debian distroseries.
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                distro_series = {}
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            else:
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                raise AssertionError('scheme should be ubuntu: or debianlp:')
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            # Split the path.  It's either going to be 'project' or
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            # 'series/project', but recognize that it may be a series we don't
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            # know about.
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            path_parts = path.split('/')
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            if len(path_parts) == 1:
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                # It's just a project name.
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                lp_url_template = 'lp:%(distro)s/%(project)s'
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                project = path_parts[0]
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                series = None
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            elif len(path_parts) == 2:
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                # It's a series and project.
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                lp_url_template = 'lp:%(distro)s/%(series)s/%(project)s'
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                series, project = path_parts
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            else:
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                # There are either 0 or > 2 path parts, neither of which is
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                # supported for these schemes.
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                raise errors.InvalidURL('Bad path: %s' % url)
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            # Expand any series shortcuts, but keep unknown series.
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            series = distro_series.get(series, series)
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            # Hack the url and let the following do the final resolution.
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            url = lp_url_template % dict(
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                distro=distro,
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                series=series,
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                project=project)
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            scheme, netloc, path, query, fragment = urlsplit(url)
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        return url, path
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    def _expand_user(self, path, url, lp_login):
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        if path.startswith('~/'):
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            if lp_login is None:
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                raise errors.InvalidURL(path=url,
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                    extra='Cannot resolve "~" to your username.'
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                          ' See "bzr help launchpad-login"')
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            path = '~' + lp_login + path[1:]
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        return path
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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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        url, path = self._update_url_scheme(url)
 
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        if 'launchpad' in debug.debug_flags:
 
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            trace.mutter("resolve_lp_path(%r) == %r", path, result)
 
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        if _lp_login is None:
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            _lp_login = get_lp_login()
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        path = path.strip('/')
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        path = self._expand_user(path, url, _lp_login)
164
 
        if _lp_login is not None:
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            result = self._resolve_locally(path, url, _request_factory)
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            if 'launchpad' in debug.debug_flags:
167
 
                local_res = result
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                result = self._resolve_via_xmlrpc(path, url, _request_factory)
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                trace.note(gettext(
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                    'resolution for {0}\n  local: {1}\n remote: {2}').format(
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                           url, local_res['urls'], result['urls']))
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        else:
173
 
            result = self._resolve_via_xmlrpc(path, url, _request_factory)
174
 
 
175
 
        if 'launchpad' in debug.debug_flags:
176
 
            trace.mutter("resolve_lp_path(%r) == %r", url, result)
177
 
 
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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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                                              fragment):
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                # Only accept launchpad.net bzr+ssh URLs if we know
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                # the user's Launchpad login:
185
 
                if _lp_login is not None:
186
 
                    break
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                if _lp_login is None:
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                    if not _warned_login:
189
 
                        trace.warning(
190
 
'You have not informed bzr of your Launchpad ID, and you must do this to\n'
191
 
'write to Launchpad or access private data.  See "bzr help launchpad-login".')
 
95
                        trace.warning('You have not informed bzr of your '
 
96
                                'launchpad login. If you are attempting a\n'
 
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                                'write operation and it fails, run '
 
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                                '"bzr launchpad-login YOUR_ID" and try again.')
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                        _warned_login = True
 
100
                    continue
 
101
                url = urlunsplit((scheme, '%s@%s' % (_lp_login, netloc),
 
102
                                  path, query, fragment))
 
103
                break
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            else:
194
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                # Use the URL if we can create a transport for it.
195
106
                try:
196
 
                    transport.get_transport(url)
 
107
                    get_transport(url)
197
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                except (errors.PathError, errors.TransportError):
198
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                    pass
199
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                else: