~bzr-pqm/bzr/bzr.dev

3313.3.4 by Andrew Bennetts
Add a 'nosmart+' transport decorator.
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# Copyright (C) 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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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Implementation of Transport that never has a smart medium.
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This is mainly useful with HTTP transports, which sometimes have a smart medium
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and sometimes don't.  By using this decorator, you can force those transports
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to never have a smart medium.
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"""
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from bzrlib import errors
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from bzrlib.transport.decorator import TransportDecorator, DecoratorServer
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class NoSmartTransportDecorator(TransportDecorator):
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    """A decorator for transports that disables get_smart_medium."""
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    @classmethod
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    def _get_url_prefix(self):
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        return 'nosmart+'
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    def get_smart_medium(self):
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        raise errors.NoSmartMedium(self)
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class NoSmartTransportServer(DecoratorServer):
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    """Server for the NoSmartTransportDecorator for testing with."""
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    def get_decorator_class(self):
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        return NoSmartTransportDecorator
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def get_test_permutations():
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    """Return the permutations to be used in testing."""
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    return [(NoSmartTransportDecorator, NoSmartTransportServer)]
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