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Viewing changes to loggerhead/apps/filesystem.py

  • Committer: Martin Albisetti
  • Date: 2008-08-05 19:27:32 UTC
  • mfrom: (198.1.1 whitespace_fix)
  • Revision ID: argentina@gmail.com-20080805192732-jg5z44pvscca3fco
Respect whitespace and line breaks in commit messages. Bug #252872

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# Copyright (C) 2008-2011 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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#
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"""Serve branches at urls that mimic a transport's file system layout."""
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19
 
import threading
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21
 
from bzrlib import branch, errors, lru_cache, urlutils
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from bzrlib.config import LocationConfig
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from bzrlib.smart import request
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from bzrlib.transport import get_transport
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from bzrlib.transport.http import wsgi
 
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"""Serve branches at urls that mimic the file system layout."""
 
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import os
 
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import tempfile
 
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6
from bzrlib import branch, errors, lru_cache
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7
 
27
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from paste.request import path_info_pop
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9
from paste import httpexceptions
29
 
from paste import urlparser
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10
 
31
 
from loggerhead import util
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11
from loggerhead.apps.branch import BranchWSGIApp
33
 
from loggerhead.apps import favicon_app, robots_app, static_app
 
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from loggerhead.apps import favicon_app, static_app
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13
from loggerhead.controllers.directory_ui import DirectoryUI
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14
 
36
 
# TODO: Use bzrlib.ui.bool_from_string(), added in bzr 1.18
37
 
_bools = {
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    'yes': True, 'no': False,
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    'on': True, 'off': False,
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    '1': True, '0': False,
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    'true': True, 'false': False,
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    }
43
 
 
44
 
class BranchesFromTransportServer(object):
45
 
 
46
 
    def __init__(self, transport, root, name=None):
47
 
        self.transport = transport
 
15
sql_dir = tempfile.mkdtemp(prefix='loggerhead-cache-')
 
16
 
 
17
 
 
18
class BranchesFromFileSystemServer(object):
 
19
    def __init__(self, path, root, name=None):
 
20
        self.path = path
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        self.root = root
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        self.name = name
50
 
        self._config = root._config
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23
 
52
24
    def app_for_branch(self, branch):
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25
        if not self.name:
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            name = branch._get_nick(local=True)
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            is_root = True
 
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            name = branch.nick
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27
        else:
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            name = self.name
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            is_root = False
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29
        branch_app = BranchWSGIApp(
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            branch,
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            name,
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            {'cachepath': self._config.SQL_DIR},
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            self.root.graph_cache,
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            is_root=is_root,
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            use_cdn=self._config.get_option('use_cdn'),
66
 
            )
 
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            branch, name, {'cachepath': sql_dir}, self.root.graph_cache)
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        return branch_app.app
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32
 
69
33
    def app_for_non_branch(self, environ):
70
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        segment = path_info_pop(environ)
71
35
        if segment is None:
72
 
            raise httpexceptions.HTTPMovedPermanently.relative_redirect(
73
 
                environ['SCRIPT_NAME'] + '/', environ)
 
36
            raise httpexceptions.HTTPMovedPermanently(
 
37
                environ['SCRIPT_NAME'] + '/')
74
38
        elif segment == '':
75
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            if self.name:
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40
                name = self.name
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            else:
78
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                name = '/'
79
 
            return DirectoryUI(
80
 
                environ['loggerhead.static.url'], self.transport, name)
 
43
            return DirectoryUI(environ['loggerhead.static.url'], self.path, name)
81
44
        else:
82
 
            new_transport = self.transport.clone(segment)
 
45
            new_path = os.path.join(self.path, segment)
83
46
            if self.name:
84
 
                new_name = urlutils.join(self.name, segment)
 
47
                new_name = os.path.join(self.name, segment)
85
48
            else:
86
49
                new_name = '/' + segment
87
 
            return BranchesFromTransportServer(new_transport, self.root, new_name)
88
 
 
89
 
    def app_for_bazaar_data(self, relpath):
90
 
        if relpath == '/.bzr/smart':
91
 
            root_transport = get_transport_for_thread(self.root.base)
92
 
            wsgi_app = wsgi.SmartWSGIApp(root_transport)
93
 
            return wsgi.RelpathSetter(wsgi_app, '', 'loggerhead.path_info')
94
 
        else:
95
 
            # TODO: Use something here that uses the transport API
96
 
            # rather than relying on the local filesystem API.
97
 
            base = self.transport.base
98
 
            try:
99
 
                path = util.local_path_from_url(base)
100
 
            except errors.InvalidURL:
101
 
                raise httpexceptions.HTTPNotFound()
102
 
            else:
103
 
                return urlparser.make_static(None, path)
104
 
 
105
 
    def check_serveable(self, config):
106
 
        value = config.get_user_option('http_serve')
107
 
        if value is None:
108
 
            return
109
 
        elif not _bools.get(value.lower(), True):
 
50
            return BranchesFromFileSystemServer(new_path, self.root, new_name)
 
51
 
 
52
    def __call__(self, environ, start_response):
 
53
        if not os.path.isdir(self.path):
110
54
            raise httpexceptions.HTTPNotFound()
111
 
 
112
 
    def __call__(self, environ, start_response):
113
 
        path = environ['PATH_INFO']
114
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        try:
115
 
            b = branch.Branch.open_from_transport(self.transport)
 
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            b = branch.Branch.open(self.path)
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        except errors.NotBranchError:
117
 
            if path.startswith('/.bzr'):
118
 
                self.check_serveable(LocationConfig(self.transport.base))
119
 
                return self.app_for_bazaar_data(path)(environ, start_response)
120
 
            if not self.transport.listable() or not self.transport.has('.'):
121
 
                raise httpexceptions.HTTPNotFound()
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58
            return self.app_for_non_branch(environ)(environ, start_response)
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        else:
124
 
            self.check_serveable(b.get_config())
125
 
            if path.startswith('/.bzr'):
126
 
                return self.app_for_bazaar_data(path)(environ, start_response)
127
 
            else:
128
 
                return self.app_for_branch(b)(environ, start_response)
129
 
 
130
 
 
131
 
_transport_store = threading.local()
132
 
 
133
 
def get_transport_for_thread(base):
134
 
    thread_transports = getattr(_transport_store, 'transports', None)
135
 
    if thread_transports is None:
136
 
        thread_transports = _transport_store.transports = {}
137
 
    if base in thread_transports:
138
 
        return thread_transports[base]
139
 
    transport = get_transport(base)
140
 
    thread_transports[base] = transport
141
 
    return transport
142
 
 
143
 
 
144
 
class BranchesFromTransportRoot(object):
145
 
 
146
 
    def __init__(self, base, config):
147
 
        self.graph_cache = lru_cache.LRUCache(10)
148
 
        self.base = base
149
 
        self._config = config
 
60
            return self.app_for_branch(b)(environ, start_response)
 
61
 
 
62
 
 
63
class BranchesFromFileSystemRoot(object):
 
64
 
 
65
    def __init__(self, folder):
 
66
        self.graph_cache = lru_cache.LRUCache()
 
67
        self.folder = folder
150
68
 
151
69
    def __call__(self, environ, start_response):
152
70
        environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
153
 
        environ['loggerhead.path_info'] = environ['PATH_INFO']
154
71
        if environ['PATH_INFO'].startswith('/static/'):
155
72
            segment = path_info_pop(environ)
156
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            assert segment == 'static'
157
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            return static_app(environ, start_response)
158
75
        elif environ['PATH_INFO'] == '/favicon.ico':
159
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            return favicon_app(environ, start_response)
160
 
        elif environ['PATH_INFO'] == '/robots.txt':
161
 
            return robots_app(environ, start_response)
162
77
        else:
163
 
            transport = get_transport_for_thread(self.base)
164
 
            return BranchesFromTransportServer(
165
 
                transport, self)(environ, start_response)
166
 
 
167
 
 
168
 
class UserBranchesFromTransportRoot(object):
169
 
 
170
 
    def __init__(self, base, config):
171
 
        self.graph_cache = lru_cache.LRUCache(10)
172
 
        self.base = base
173
 
        self._config = config
174
 
        self.trunk_dir = config.get_option('trunk_dir')
 
78
            return BranchesFromFileSystemServer(
 
79
                self.folder, self)(environ, start_response)
 
80
 
 
81
 
 
82
class UserBranchesFromFileSystemRoot(object):
 
83
 
 
84
    def __init__(self, folder, trunk_dir):
 
85
        self.graph_cache = lru_cache.LRUCache()
 
86
        self.folder = folder
 
87
        self.trunk_dir = trunk_dir
175
88
 
176
89
    def __call__(self, environ, start_response):
177
90
        environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
178
 
        environ['loggerhead.path_info'] = environ['PATH_INFO']
179
 
        path_info = environ['PATH_INFO']
 
91
        path_info= environ['PATH_INFO']
180
92
        if path_info.startswith('/static/'):
181
93
            segment = path_info_pop(environ)
182
94
            assert segment == 'static'
183
95
            return static_app(environ, start_response)
184
96
        elif path_info == '/favicon.ico':
185
97
            return favicon_app(environ, start_response)
186
 
        elif environ['PATH_INFO'] == '/robots.txt':
187
 
            return robots_app(environ, start_response)
188
98
        else:
189
 
            transport = get_transport_for_thread(self.base)
190
99
            # segments starting with ~ are user branches
191
100
            if path_info.startswith('/~'):
192
101
                segment = path_info_pop(environ)
193
 
                return BranchesFromTransportServer(
194
 
                    transport.clone(segment[1:]), self, segment)(
195
 
                    environ, start_response)
 
102
                new_path = os.path.join(self.folder, segment[1:])
 
103
                return BranchesFromFileSystemServer(
 
104
                    new_path, self, segment)(environ, start_response)
196
105
            else:
197
 
                return BranchesFromTransportServer(
198
 
                    transport.clone(self.trunk_dir), self)(
199
 
                    environ, start_response)
 
106
                new_path = os.path.join(self.folder, self.trunk_dir)
 
107
                return BranchesFromFileSystemServer(
 
108
                    new_path, self)(environ, start_response)