1
"""A server that uses a loggerhead.conf file.
3
We recreate the branch discovery and url scheme of the old branchview
4
code. It's all a bit horrible really.
11
import bzrlib.lru_cache
13
from bzrlib.util.configobj.configobj import ConfigObj
15
from paste.request import path_info_pop
16
from paste import httpexceptions
17
from paste.wsgiwrappers import WSGIResponse
19
from loggerhead.apps.branch import BranchWSGIApp
20
from loggerhead.apps import favicon_app, static_app, robots_app
21
from loggerhead.templatefunctions import templatefunctions
22
from loggerhead.zptsupport import load_template
23
from loggerhead import util
25
log = logging.getLogger("loggerhead.controllers")
27
from loggerhead.history import is_branch
30
class Project(object):
31
"""A project contains the branches.
33
There is some complication because we don't want to hold on to the
34
branches when they are not being browsed."""
36
def __init__(self, name, config, root_config, graph_cache):
38
self.friendly_name = config.get('name', name)
39
self.description = config.get('description', '')
40
self.long_description = config.get('long_description', '')
42
self._root_config = root_config
43
self.graph_cache = graph_cache
46
self.view_data_by_name = {}
47
for view_name in config.sections:
48
log.debug('Configuring (project %s) branch %s...', name, view_name)
50
view_name, config[view_name], config[view_name].get('folder'))
52
self._auto_folder = config.get('auto_publish_folder', None)
54
if self._auto_folder is not None:
55
self._recheck_auto_folders()
57
def _recheck_auto_folders(self):
58
if self._auto_folder is None:
61
# scan a folder for bazaar branches, and add them automatically
62
for path, folders, filenames in os.walk(self._auto_folder):
63
for folder in folders:
64
folder = os.path.join(path, folder)
66
auto_list.append(folder)
68
if auto_list == self._auto_list:
69
# nothing has changed; do nothing.
74
log.debug('Rescanning auto-folder for project %s ...', self.name)
75
for folder in auto_list:
76
view_name = os.path.basename(folder)
77
log.debug('Auto-configuring (project %s) branch %s...',
80
self._add_view(view_name, ConfigObj(), folder)
81
self._auto_list = auto_list
83
def _get_branch_url(self, view, view_config, folder):
84
url = view_config.get('url', None)
87
url = self._config.get('url_prefix', None)
89
return posixpath.join(url, folder) + '/'
92
def _get_description(self, view, view_config, history):
93
description = view_config.get('description', None)
94
if description is not None:
96
description = history._branch.get_config().get_user_option(
100
def _add_view(self, view_name, view_config, folder):
101
b = bzrlib.branch.Branch.open(folder)
102
view = BranchWSGIApp(b, view_name, view_config, self.graph_cache)
105
history = view.get_history()
106
friendly_name = view_config.get('branch_name', None)
107
if friendly_name is None:
108
friendly_name = history.get_config().get_nickname()
109
if friendly_name is None:
110
friendly_name = view_name
111
branch_url = self._get_branch_url(view, view_config, view_name)
112
description = self._get_description(view, view_config, history)
113
self.view_data_by_name[view_name] = {
114
'branch_path': folder,
115
'config': view_config,
116
'description': description,
117
'friendly_name': friendly_name,
118
'graph_cache': self.graph_cache,
120
'served_url': branch_url,
122
self.view_names.append(view_name)
126
def view_named(self, name):
127
view_data = self.view_data_by_name.get(name)
128
if view_data is None:
130
view_data = view_data.copy()
131
branch_path = view_data.pop('branch_path')
132
description = view_data.pop('description')
133
name = view_data.pop('name')
134
b = bzrlib.branch.Branch.open(branch_path)
136
view = BranchWSGIApp(b, **view_data)
137
view.description = description
141
def call(self, environ, start_response):
142
segment = path_info_pop(environ)
144
raise httpexceptions.HTTPNotFound()
146
view = self.view_named(segment)
148
raise httpexceptions.HTTPNotFound()
150
return view.app(environ, start_response)
156
"""The root of the server -- renders as the browse view,
157
dispatches to Project above for each 'project'."""
159
def __init__(self, config):
162
self.projects_by_name = {}
163
graph_cache = bzrlib.lru_cache.LRUCache()
164
for project_name in self.config.sections:
165
project = Project(project_name, self.config[project_name],
166
self.config, graph_cache)
167
self.projects.append(project)
168
self.projects_by_name[project_name] = project
170
def browse(self, response):
171
# This is insanely complicated because we want to open and
172
# lock all the branches, render the view and then unlock the
174
for p in self.projects:
175
p._recheck_auto_folders()
177
class branch(object):
180
def static_url(path):
181
return self._static_url_base + path
182
views_by_project = {}
185
for p in self.projects:
186
views_by_project[p] = []
187
for vn in p.view_names:
190
views_by_project[p].append(v)
192
'projects': self.projects,
194
'title': self.config.get('title', None),
196
'views_by_project': views_by_project,
198
vals.update(templatefunctions)
199
response.headers['Content-Type'] = 'text/html'
200
template = load_template('loggerhead.templates.browse')
201
template.expand_into(response, **vals)
206
def __call__(self, environ, start_response):
207
self._static_url_base = environ['loggerhead.static.url'] = \
208
environ['SCRIPT_NAME']
209
segment = path_info_pop(environ)
211
raise httpexceptions.HTTPMovedPermanently.relative_redirect(
212
environ['SCRIPT_NAME'] + '/', environ)
214
response = WSGIResponse()
215
self.browse(response)
216
return response(environ, start_response)
217
elif segment == 'robots.txt':
218
return robots_app(environ, start_response)
219
elif segment == 'static':
220
return static_app(environ, start_response)
221
elif segment == 'favicon.ico':
222
return favicon_app(environ, start_response)
224
project = self.projects_by_name.get(segment)
226
raise httpexceptions.HTTPNotFound()
227
return project.call(environ, start_response)