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# Copyright (C) 2008-2011 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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"""Serve branches at urls that mimic a transport's file system layout."""
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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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from bzrlib import branch, errors
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from loggerhead.history import History
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from loggerhead.wsgiapp import BranchWSGIApp, static_app
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from paste.request import path_info_pop
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from paste import httpexceptions
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from paste import urlparser
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from loggerhead import util
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from loggerhead.apps.branch import BranchWSGIApp
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from loggerhead.apps import favicon_app, robots_app, static_app
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from loggerhead.controllers.directory_ui import DirectoryUI
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# TODO: Use bzrlib.ui.bool_from_string(), added in bzr 1.18
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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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class BranchesFromTransportServer(object):
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def __init__(self, transport, root, name=None):
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self.transport = transport
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from paste import httpserver
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from paste.httpexceptions import make_middleware
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from paste.translogger import make_filter
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from loggerhead.changecache import FileChangeCache
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class BranchesFromFileSystemServer(object):
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def __init__(self, folder, root):
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self._config = root._config
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def app_for_branch(self, branch):
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name = branch._get_nick(local=True)
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branch_app = BranchWSGIApp(
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{'cachepath': self._config.SQL_DIR},
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self.root.graph_cache,
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use_cdn=self._config.get_option('use_cdn'),
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def app_for_non_branch(self, environ):
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def __call__(self, environ, start_response):
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segment = path_info_pop(environ)
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if segment is None:
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raise httpexceptions.HTTPMovedPermanently.relative_redirect(
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environ['SCRIPT_NAME'] + '/', environ)
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environ['loggerhead.static.url'], self.transport, name)
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new_transport = self.transport.clone(segment)
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new_name = urlutils.join(self.name, segment)
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new_name = '/' + segment
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return BranchesFromTransportServer(new_transport, self.root, new_name)
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def app_for_bazaar_data(self, relpath):
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if relpath == '/.bzr/smart':
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root_transport = get_transport_for_thread(self.root.base)
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wsgi_app = wsgi.SmartWSGIApp(root_transport)
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return wsgi.RelpathSetter(wsgi_app, '', 'loggerhead.path_info')
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# TODO: Use something here that uses the transport API
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# rather than relying on the local filesystem API.
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base = self.transport.base
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path = util.local_path_from_url(base)
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except errors.InvalidURL:
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raise httpexceptions.HTTPNotFound()
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return urlparser.make_static(None, path)
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def check_serveable(self, config):
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value = config.get_user_option('http_serve')
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elif not _bools.get(value.lower(), True):
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raise httpexceptions.HTTPNotFound()
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def __call__(self, environ, start_response):
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path = environ['PATH_INFO']
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raise httpexceptions.HTTPNotFound()
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relpath = os.path.join(self.folder, segment)
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f = os.path.join(self.root.folder, relpath)
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if not os.path.isdir(f):
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raise httpexceptions.HTTPNotFound()
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if f in self.root.cache:
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return self.root.cache[f](environ, start_response)
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b = branch.Branch.open_from_transport(self.transport)
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b = branch.Branch.open(f)
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except errors.NotBranchError:
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if path.startswith('/.bzr'):
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self.check_serveable(LocationConfig(self.transport.base))
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return self.app_for_bazaar_data(path)(environ, start_response)
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if not self.transport.listable() or not self.transport.has('.'):
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raise httpexceptions.HTTPNotFound()
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return self.app_for_non_branch(environ)(environ, start_response)
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self.check_serveable(b.get_config())
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if path.startswith('/.bzr'):
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return self.app_for_bazaar_data(path)(environ, start_response)
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return self.app_for_branch(b)(environ, start_response)
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_transport_store = threading.local()
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def get_transport_for_thread(base):
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thread_transports = getattr(_transport_store, 'transports', None)
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if thread_transports is None:
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thread_transports = _transport_store.transports = {}
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if base in thread_transports:
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return thread_transports[base]
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transport = get_transport(base)
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thread_transports[base] = transport
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class BranchesFromTransportRoot(object):
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def __init__(self, base, config):
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self.graph_cache = lru_cache.LRUCache(10)
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self._config = config
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def __call__(self, environ, start_response):
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environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
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environ['loggerhead.path_info'] = environ['PATH_INFO']
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if environ['PATH_INFO'].startswith('/static/'):
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segment = path_info_pop(environ)
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assert segment == 'static'
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return static_app(environ, start_response)
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elif environ['PATH_INFO'] == '/favicon.ico':
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return favicon_app(environ, start_response)
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elif environ['PATH_INFO'] == '/robots.txt':
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return robots_app(environ, start_response)
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transport = get_transport_for_thread(self.base)
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return BranchesFromTransportServer(
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transport, self)(environ, start_response)
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class UserBranchesFromTransportRoot(object):
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def __init__(self, base, config):
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self.graph_cache = lru_cache.LRUCache(10)
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self._config = config
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self.trunk_dir = config.get_option('trunk_dir')
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def __call__(self, environ, start_response):
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environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
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environ['loggerhead.path_info'] = environ['PATH_INFO']
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path_info = environ['PATH_INFO']
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if path_info.startswith('/static/'):
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segment = path_info_pop(environ)
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assert segment == 'static'
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return static_app(environ, start_response)
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elif path_info == '/favicon.ico':
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return favicon_app(environ, start_response)
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elif environ['PATH_INFO'] == '/robots.txt':
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return robots_app(environ, start_response)
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transport = get_transport_for_thread(self.base)
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# segments starting with ~ are user branches
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if path_info.startswith('/~'):
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segment = path_info_pop(environ)
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return BranchesFromTransportServer(
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transport.clone(segment[1:]), self, segment)(
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environ, start_response)
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return BranchesFromTransportServer(
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transport.clone(self.trunk_dir), self)(
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environ, start_response)
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return BranchesFromFileSystemServer(relpath, self.root)(environ, start_response)
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_history = History.from_branch(b)
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_history.use_file_cache(FileChangeCache(_history, 'sql'))
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h = BranchWSGIApp(_history, relpath).app
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self.root.cache[f] = h
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return h(environ, start_response)
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class BranchesFromFileSystemRoot(object):
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def __init__(self, folder):
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def __call__(self, environ, start_response):
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environ['loggerhead.static.url'] = environ['SCRIPT_NAME']
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segment = path_info_pop(environ)
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if segment == 'static':
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return static_app(environ, start_response)
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return BranchesFromFileSystemServer(
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segment, self)(environ, start_response)
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app = BranchesFromFileSystemRoot('../..')
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app = make_middleware(app)
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app = make_filter(app, None)
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from paste.evalexception.middleware import EvalException
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httpserver.serve(EvalException(app), host='127.0.0.1', port='9876')
added
removed
wsgitest.py
