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# Copyright (C) 2006 Canonical Ltd
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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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# 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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# 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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"""Server-side bzrdir related request implmentations."""
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from bzrlib import errors
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from bzrlib.bzrdir import BzrDir, BzrDirFormat
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from bzrlib.smart.request import (
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FailedSmartServerResponse,
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SuccessfulSmartServerResponse,
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class SmartServerRequestOpenBzrDir(SmartServerRequest):
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from bzrlib.bzrdir import BzrDirFormat
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t = self.transport_from_client_path(path)
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except errors.PathNotChild:
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# The client is trying to ask about a path that they have no access
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# Ideally we'd return a FailedSmartServerResponse here rather than
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# a "successful" negative, but we want to be compatibile with
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# clients that don't anticipate errors from this method.
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default_format = BzrDirFormat.get_default_format()
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real_bzrdir = default_format.open(t, _found=True)
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real_bzrdir._format.probe_transport(t)
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except (errors.NotBranchError, errors.UnknownFormatError):
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return SuccessfulSmartServerResponse((answer,))
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class SmartServerRequestFindRepository(SmartServerRequest):
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def _boolean_to_yes_no(self, a_boolean):
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def _find(self, path):
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"""try to find a repository from path upwards
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This operates precisely like 'bzrdir.find_repository'.
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:return: (relpath, rich_root, tree_ref, external_lookup) flags. All are
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strings, relpath is a / prefixed path, and the other three are
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:raises errors.NoRepositoryPresent: When there is no repository
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bzrdir = BzrDir.open_from_transport(
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self.transport_from_client_path(path))
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repository = bzrdir.find_repository()
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# the relpath of the bzrdir in the found repository gives us the
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# path segments to pop-out.
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relpath = repository.bzrdir.root_transport.relpath(
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bzrdir.root_transport.base)
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segments = ['..'] * len(relpath.split('/'))
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rich_root = self._boolean_to_yes_no(repository.supports_rich_root())
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tree_ref = self._boolean_to_yes_no(
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repository._format.supports_tree_reference)
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external_lookup = self._boolean_to_yes_no(
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repository._format.supports_external_lookups)
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return '/'.join(segments), rich_root, tree_ref, external_lookup
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class SmartServerRequestFindRepositoryV1(SmartServerRequestFindRepository):
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"""try to find a repository from path upwards
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This operates precisely like 'bzrdir.find_repository'.
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If a bzrdir is not present, an exception is propogated
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rather than 'no branch' because these are different conditions.
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This is the initial version of this method introduced with the smart
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server. Modern clients will try the V2 method that adds support for the
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supports_external_lookups attribute.
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:return: norepository or ok, relpath.
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path, rich_root, tree_ref, external_lookup = self._find(path)
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return SuccessfulSmartServerResponse(('ok', path, rich_root, tree_ref))
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except errors.NoRepositoryPresent:
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return FailedSmartServerResponse(('norepository', ))
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class SmartServerRequestFindRepositoryV2(SmartServerRequestFindRepository):
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"""try to find a repository from path upwards
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This operates precisely like 'bzrdir.find_repository'.
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If a bzrdir is not present, an exception is propogated
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rather than 'no branch' because these are different conditions.
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This is the second edition of this method introduced in bzr 1.3, which
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returns information about the supports_external_lookups format
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:return: norepository or ok, relpath.
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path, rich_root, tree_ref, external_lookup = self._find(path)
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return SuccessfulSmartServerResponse(
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('ok', path, rich_root, tree_ref, external_lookup))
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except errors.NoRepositoryPresent:
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return FailedSmartServerResponse(('norepository', ))
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class SmartServerRequestInitializeBzrDir(SmartServerRequest):
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"""Initialize a bzrdir at path.
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The default format of the server is used.
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:return: SmartServerResponse(('ok', ))
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target_transport = self.transport_from_client_path(path)
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BzrDirFormat.get_default_format().initialize_on_transport(target_transport)
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return SuccessfulSmartServerResponse(('ok', ))
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class SmartServerRequestOpenBranch(SmartServerRequest):
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"""try to open a branch at path and return ok/nobranch.
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If a bzrdir is not present, an exception is propogated
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rather than 'no branch' because these are different conditions.
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bzrdir = BzrDir.open_from_transport(
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self.transport_from_client_path(path))
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reference_url = bzrdir.get_branch_reference()
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if reference_url is None:
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return SuccessfulSmartServerResponse(('ok', ''))
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return SuccessfulSmartServerResponse(('ok', reference_url))
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except errors.NotBranchError:
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return FailedSmartServerResponse(('nobranch', ))
added
removed
bzrlib/smart/bzrdir.py
