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Viewing changes to loggerhead/apps/branch.py

  • Committer: Martin Albisetti
  • Date: 2008-06-17 23:17:39 UTC
  • mto: (157.1.3 loggerhead)
  • mto: This revision was merged to the branch mainline in revision 187.
  • Revision ID: argentina@gmail.com-20080617231739-2coh41c61qh0dhxn
 * Tweaked CSS to add some space in expanded view
 * Renames CSS clases to something more sensible
 * Now showing the full commit text when expanding view
 * Made collapse and expand all work
 * Stop using CSS and images from launchpad.net
 * Removed some obsolete code from the changelog template

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loggerhead/apps/branch.py
1
 
# 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.
12
 
#
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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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"""The WSGI application for serving a Bazaar branch."""
18
 
 
19
 
import logging
20
 
import urllib
21
 
import sys
22
 
 
23
 
import bzrlib.branch
24
 
import bzrlib.errors
25
 
import bzrlib.lru_cache
26
 
 
27
 
from paste import request
28
 
from paste import httpexceptions
29
 
 
30
 
from loggerhead.apps import static_app
31
 
from loggerhead.controllers.annotate_ui import AnnotateUI
32
 
from loggerhead.controllers.view_ui import ViewUI
33
 
from loggerhead.controllers.atom_ui import AtomUI
34
 
from loggerhead.controllers.changelog_ui import ChangeLogUI
35
 
from loggerhead.controllers.diff_ui import DiffUI
36
 
from loggerhead.controllers.download_ui import DownloadUI
37
 
from loggerhead.controllers.filediff_ui import FileDiffUI
38
 
from loggerhead.controllers.inventory_ui import InventoryUI
39
 
from loggerhead.controllers.revision_ui import RevisionUI
40
 
from loggerhead.controllers.revlog_ui import RevLogUI
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from loggerhead.controllers.search_ui import SearchUI
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from loggerhead.history import History
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from loggerhead import util
44
 
 
45
 
 
46
 
_DEFAULT = object()
47
 
 
48
 
class BranchWSGIApp(object):
49
 
 
50
 
    def __init__(self, branch, friendly_name=None, config={},
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                 graph_cache=None, branch_link=None, is_root=False,
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                 served_url=_DEFAULT, use_cdn=False):
53
 
        self.branch = branch
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        self._config = config
55
 
        self.friendly_name = friendly_name
56
 
        self.branch_link = branch_link  # Currently only used in Launchpad
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        self.log = logging.getLogger('loggerhead.%s' % (friendly_name,))
58
 
        if graph_cache is None:
59
 
            graph_cache = bzrlib.lru_cache.LRUCache(10)
60
 
        self.graph_cache = graph_cache
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        self.is_root = is_root
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        self.served_url = served_url
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        self.use_cdn = use_cdn
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65
 
    def get_history(self):
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        file_cache = None
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        revinfo_disk_cache = None
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        cache_path = self._config.get('cachepath', None)
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        if cache_path is not None:
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            # Only import the cache if we're going to use it.
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            # This makes sqlite optional
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            try:
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                from loggerhead.changecache import (
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                    FileChangeCache, RevInfoDiskCache)
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            except ImportError:
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                self.log.debug("Couldn't load python-sqlite,"
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                               " continuing without using a cache")
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            else:
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                file_cache = FileChangeCache(cache_path)
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                revinfo_disk_cache = RevInfoDiskCache(cache_path)
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        return History(
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            self.branch, self.graph_cache, file_cache=file_cache,
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            revinfo_disk_cache=revinfo_disk_cache, cache_key=self.friendly_name)
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85
 
    def url(self, *args, **kw):
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        if isinstance(args[0], list):
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            args = args[0]
88
 
        qs = []
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        for k, v in kw.iteritems():
90
 
            if v is not None:
91
 
                qs.append('%s=%s' % (k, urllib.quote(v)))
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        qs = '&'.join(qs)
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        path_info = urllib.quote(
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            unicode('/'.join(args)).encode('utf-8'), safe='/~:')
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        if qs:
96
 
            path_info += '?' + qs
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        return self._url_base + path_info
98
 
 
99
 
    def absolute_url(self, *args, **kw):
100
 
        rel_url = self.url(*args, **kw)
101
 
        return request.resolve_relative_url(rel_url, self._environ)
102
 
 
103
 
    def context_url(self, *args, **kw):
104
 
        kw = util.get_context(**kw)
105
 
        return self.url(*args, **kw)
106
 
 
107
 
    def static_url(self, path):
108
 
        return self._static_url_base + path
109
 
 
110
 
    def yui_url(self, path):
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        if self.use_cdn:
112
 
            base = 'http://yui.yahooapis.com/3.0.0pr2/build/'
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        else:
114
 
            base = self.static_url('/static/javascript/yui/build/')
115
 
        return base + path
116
 
 
117
 
    controllers_dict = {
118
 
        '+filediff': FileDiffUI,
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        '+revlog': RevLogUI,
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        'annotate': AnnotateUI,
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        'atom': AtomUI,
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        'changes': ChangeLogUI,
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        'diff': DiffUI,
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        'download': DownloadUI,
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        'files': InventoryUI,
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        'revision': RevisionUI,
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        'search': SearchUI,
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        'view': ViewUI,
129
 
        }
130
 
 
131
 
    def last_updated(self):
132
 
        h = self.get_history()
133
 
        change = h.get_changes([h.last_revid])[0]
134
 
        return change.date
135
 
 
136
 
    def public_branch_url(self):
137
 
        return self.branch.get_config().get_user_option('public_branch')
138
 
 
139
 
    def app(self, environ, start_response):
140
 
        # Check again if the branch is blocked from being served, this is
141
 
        # mostly for tests. It's already checked in apps/transport.py
142
 
        if self.branch.get_config().get_user_option('http_serve') == 'False':
143
 
            raise httpexceptions.HTTPNotFound()
144
 
        self._url_base = environ['SCRIPT_NAME']
145
 
        self._static_url_base = environ.get('loggerhead.static.url')
146
 
        if self._static_url_base is None:
147
 
            self._static_url_base = self._url_base
148
 
        self._environ = environ
149
 
        if self.served_url is _DEFAULT:
150
 
            public_branch = self.public_branch_url()
151
 
            if public_branch is not None:
152
 
                self.served_url = public_branch
153
 
            else:
154
 
                # Loggerhead only supports serving .bzr/ on local branches, so
155
 
                # we shouldn't suggest something that won't work.
156
 
                try:
157
 
                    util.local_path_from_url(self.branch.base)
158
 
                    self.served_url = self.url([])
159
 
                except bzrlib.errors.InvalidURL:
160
 
                    self.served_url = None
161
 
        path = request.path_info_pop(environ)
162
 
        if not path:
163
 
            raise httpexceptions.HTTPMovedPermanently(
164
 
                self.absolute_url('/changes'))
165
 
        if path == 'static':
166
 
            return static_app(environ, start_response)
167
 
        cls = self.controllers_dict.get(path)
168
 
        if cls is None:
169
 
            raise httpexceptions.HTTPNotFound()
170
 
        self.branch.lock_read()
171
 
        try:
172
 
            try:
173
 
                c = cls(self, self.get_history)
174
 
                return c(environ, start_response)
175
 
            except:
176
 
                environ['exc_info'] = sys.exc_info()
177
 
                environ['branch'] = self
178
 
                raise
179
 
        finally:
180
 
            self.branch.unlock()