[wsgi] add the simplest possible wsgi (debug) server
This server is able to:
* serve on a given port using the stdlib SimpleHTTPServer
* run looping tasks
Closes #3005509.
--- a/cwctl.py Thu Oct 10 13:46:44 2013 +0200
+++ b/cwctl.py Tue Oct 01 16:45:58 2013 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
@@ -1033,9 +1033,38 @@
raise ConfigurationError('unknown configuration key "%s" for mode %s' % (key, appcfg.name))
appcfg.save()
+
+# WSGI #########
+
+class WSGIDebugStartHandler(InstanceCommand):
+ """Start an interactive wsgi server """
+ name = 'wsgi'
+ actionverb = 'started'
+ arguments = '<instance>'
+ options = (
+ ('loglevel',
+ {'short': 'l',
+ 'type' : 'choice',
+ 'metavar': '<log level>',
+ 'default': 'debug',
+ 'choices': ('debug', 'info', 'warning', 'error'),
+ 'help': 'debug if -D is set, error otherwise',
+ }),
+ )
+
+ def wsgi_instance(self, appid):
+ config = cwcfg.config_for(appid, debugmode=1)
+ init_cmdline_log_threshold(config, self['loglevel'])
+ assert config.name == 'all-in-one'
+ from cubicweb.wsgi import server
+ return server.run(config)
+
+
+
for cmdcls in (ListCommand,
CreateInstanceCommand, DeleteInstanceCommand,
StartInstanceCommand, StopInstanceCommand, RestartInstanceCommand,
+ WSGIDebugStartHandler,
ReloadConfigurationCommand, StatusCommand,
UpgradeInstanceCommand,
ListVersionsInstanceCommand,
@@ -1046,6 +1075,8 @@
):
CWCTL.register(cmdcls)
+
+
def run(args):
"""command line tool"""
import os
--- a/wsgi/handler.py Thu Oct 10 13:46:44 2013 +0200
+++ b/wsgi/handler.py Tue Oct 01 16:45:58 2013 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
@@ -97,17 +97,12 @@
"""This is the wsgi application which will be called by the
wsgi server with the WSGI ``environ`` and ``start_response``
parameters.
-
- XXX: missing looping tasks and proper repository shutdown when
- the application is stopped.
- NOTE: no pyro
"""
- def __init__(self, config, vreg=None):
- self.appli = CubicWebPublisher(config, vreg=vreg)
+ def __init__(self, config):
+ self.appli = CubicWebPublisher(config)
self.config = config
self.base_url = self.config['base-url']
- self.https_url = self.config['https-url']
self.url_rewriter = self.appli.vreg['components'].select_or_none('urlrewriter')
def _render(self, req):
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wsgi/server.py Tue Oct 01 16:45:58 2013 +0200
@@ -0,0 +1,46 @@
+# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of CubicWeb.
+#
+# CubicWeb is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
+"""dummy wsgi server for CubicWeb web instances"""
+
+__docformat__ = "restructuredtext en"
+
+from cubicweb.wsgi.handler import CubicWebWSGIApplication
+from cubicweb import ConfigurationError
+from wsgiref import simple_server
+
+from logging import getLogger
+LOGGER = getLogger('cubicweb')
+
+
+def run(config):
+ config.check_writeable_uid_directory(config.appdatahome)
+
+ port = config['port'] or 8080
+ interface = config['interface']
+
+ app = CubicWebWSGIApplication(config)
+ handler_cls = simple_server.WSGIRequestHandler
+ httpd = simple_server.WSGIServer((interface, port), handler_cls)
+ httpd.set_app(app)
+ repo = app.appli.repo
+ try:
+ repo.start_looping_tasks()
+ LOGGER.info('starting http server on %s', config['base-url'])
+ httpd.serve_forever()
+ finally:
+ repo.shutdown()