← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/smart/bzrdir.py

  • Committer: abentley
  • Date: 2005-10-14 03:50:50 UTC
  • mto: (1185.25.1)
  • mto: This revision was merged to the branch mainline in revision 1460.
  • Revision ID: abentley@lappy-20051014035050-d779472ccb599a51
semi-broke merge

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/smart/bzrdir.py
1
 
# Copyright (C) 2006 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Server-side bzrdir related request implmentations."""
18
 
 
19
 
 
20
 
from bzrlib import errors
21
 
from bzrlib.bzrdir import BzrDir, BzrDirFormat
22
 
from bzrlib.smart.request import (
23
 
    FailedSmartServerResponse,
24
 
    SmartServerRequest,
25
 
    SuccessfulSmartServerResponse,
26
 
    )
27
 
 
28
 
 
29
 
class SmartServerRequestOpenBzrDir(SmartServerRequest):
30
 
 
31
 
    def do(self, path):
32
 
        from bzrlib.bzrdir import BzrDirFormat
33
 
        t = self._backing_transport.clone(path)
34
 
        default_format = BzrDirFormat.get_default_format()
35
 
        real_bzrdir = default_format.open(t, _found=True)
36
 
        try:
37
 
            real_bzrdir._format.probe_transport(t)
38
 
        except (errors.NotBranchError, errors.UnknownFormatError):
39
 
            answer = 'no'
40
 
        else:
41
 
            answer = 'yes'
42
 
        return SuccessfulSmartServerResponse((answer,))
43
 
 
44
 
 
45
 
class SmartServerRequestFindRepository(SmartServerRequest):
46
 
 
47
 
    def do(self, path):
48
 
        """try to find a repository from path upwards
49
 
        
50
 
        This operates precisely like 'bzrdir.find_repository'.
51
 
        
52
 
        If a bzrdir is not present, an exception is propogated
53
 
        rather than 'no branch' because these are different conditions.
54
 
 
55
 
        :return: norepository or ok, relpath.
56
 
        """
57
 
        bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
58
 
        try:
59
 
            repository = bzrdir.find_repository()
60
 
            # the relpath of the bzrdir in the found repository gives us the 
61
 
            # path segments to pop-out.
62
 
            relpath = repository.bzrdir.root_transport.relpath(bzrdir.root_transport.base)
63
 
            if len(relpath):
64
 
                segments = ['..'] * len(relpath.split('/'))
65
 
            else:
66
 
                segments = []
67
 
            if repository.supports_rich_root():
68
 
                rich_root = 'yes'
69
 
            else:
70
 
                rich_root = 'no'
71
 
            if repository._format.supports_tree_reference:
72
 
                tree_ref = 'yes'
73
 
            else:
74
 
                tree_ref = 'no'
75
 
            return SuccessfulSmartServerResponse(('ok', '/'.join(segments), rich_root, tree_ref))
76
 
        except errors.NoRepositoryPresent:
77
 
            return FailedSmartServerResponse(('norepository', ))
78
 
 
79
 
 
80
 
class SmartServerRequestInitializeBzrDir(SmartServerRequest):
81
 
 
82
 
    def do(self, path):
83
 
        """Initialize a bzrdir at path.
84
 
 
85
 
        The default format of the server is used.
86
 
        :return: SmartServerResponse(('ok', ))
87
 
        """
88
 
        target_transport = self._backing_transport.clone(path)
89
 
        BzrDirFormat.get_default_format().initialize_on_transport(target_transport)
90
 
        return SuccessfulSmartServerResponse(('ok', ))
91
 
 
92
 
 
93
 
class SmartServerRequestOpenBranch(SmartServerRequest):
94
 
 
95
 
    def do(self, path):
96
 
        """try to open a branch at path and return ok/nobranch.
97
 
        
98
 
        If a bzrdir is not present, an exception is propogated
99
 
        rather than 'no branch' because these are different conditions.
100
 
        """
101
 
        bzrdir = BzrDir.open_from_transport(self._backing_transport.clone(path))
102
 
        try:
103
 
            reference_url = bzrdir.get_branch_reference()
104
 
            if reference_url is None:
105
 
                return SuccessfulSmartServerResponse(('ok', ''))
106
 
            else:
107
 
                return SuccessfulSmartServerResponse(('ok', reference_url))
108
 
        except errors.NotBranchError:
109
 
            return FailedSmartServerResponse(('nobranch', ))