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# Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Server-side bzrdir related request implmentations."""
from bzrlib import errors
from bzrlib.bzrdir import BzrDir, BzrDirFormat
from bzrlib.smart.request import SmartServerRequest, SmartServerResponse
class SmartServerRequestFindRepository(SmartServerRequest):
def do(self, path):
"""try to find a repository from path upwards
This operates precisely like 'bzrdir.find_repository'.
If a bzrdir is not present, an exception is propogated
rather than 'no branch' because these are different conditions.
:return: norepository or ok, relpath.
"""
bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
try:
repository = bzrdir.find_repository()
# the relpath of the bzrdir in the found repository gives us the
# path segments to pop-out.
relpath = repository.bzrdir.root_transport.relpath(bzrdir.root_transport.base)
if len(relpath):
segments = ['..'] * len(relpath.split('/'))
else:
segments = []
return SmartServerResponse(('ok', '/'.join(segments)))
except errors.NoRepositoryPresent:
return SmartServerResponse(('norepository', ))
class SmartServerRequestInitializeBzrDir(SmartServerRequest):
def do(self, path):
"""Initialize a bzrdir at path.
The default format of the server is used.
:return: SmartServerResponse(('ok', ))
"""
target_transport = self._backing_transport.clone(path)
BzrDirFormat.get_default_format().initialize_on_transport(target_transport)
return SmartServerResponse(('ok', ))
class SmartServerRequestOpenBranch(SmartServerRequest):
def do(self, path):
"""try to open a branch at path and return ok/nobranch.
If a bzrdir is not present, an exception is propogated
rather than 'no branch' because these are different conditions.
"""
bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
try:
reference_url = bzrdir.get_branch_reference()
if reference_url is None:
return SmartServerResponse(('ok', ''))
else:
return SmartServerResponse(('ok', reference_url))
except errors.NotBranchError:
return SmartServerResponse(('nobranch', ))
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