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# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Foreign branch utilities."""
class VcsMapping(object):
"""Describes the mapping between the semantics of Bazaar and a foreign vcs.
"""
experimental = False
roundtripping = False
revid_prefix = None
class VcsMappingRegistry(registry.Registry):
"""Registry for Bazaar<->foreign VCS mappings.
There should be one instance of this registry for every foreign VCS.
"""
def register(self, key, factory, help):
"""Register a mapping between Bazaar and foreign VCS semantics.
The factory must be a callable that takes one parameter: the key.
It must produce an instance of VcsMapping when called.
"""
registry.Registry.register(self, key, factory, help)
def set_default(self, key):
"""Set the 'default' key to be a clone of the supplied key.
This method must be called once and only once.
"""
self._set_default_key(key)
def get_default(self):
"""Convenience function for obtaining the default mapping to use."""
return self.get(self._get_default_key())
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