+
−# 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/>.
+
−"""WSGI request handler for cubicweb"""
+
−
+
−__docformat__ = "restructuredtext en"
+
−
+
−from itertools import chain, repeat, izip
+
−
+
−from cubicweb import AuthenticationError
+
−from cubicweb.web import DirectResponse
+
−from cubicweb.web.application import CubicWebPublisher
+
−from cubicweb.wsgi.request import CubicWebWsgiRequest
+
−
+
−# See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+
−STATUS_CODE_TEXT = {
+
−    100: 'CONTINUE',
+
−    101: 'SWITCHING PROTOCOLS',
+
−    200: 'OK',
+
−    201: 'CREATED',
+
−    202: 'ACCEPTED',
+
−    203: 'NON-AUTHORITATIVE INFORMATION',
+
−    204: 'NO CONTENT',
+
−    205: 'RESET CONTENT',
+
−    206: 'PARTIAL CONTENT',
+
−    300: 'MULTIPLE CHOICES',
+
−    301: 'MOVED PERMANENTLY',
+
−    302: 'FOUND',
+
−    303: 'SEE OTHER',
+
−    304: 'NOT MODIFIED',
+
−    305: 'USE PROXY',
+
−    306: 'RESERVED',
+
−    307: 'TEMPORARY REDIRECT',
+
−    400: 'BAD REQUEST',
+
−    401: 'UNAUTHORIZED',
+
−    402: 'PAYMENT REQUIRED',
+
−    403: 'FORBIDDEN',
+
−    404: 'NOT FOUND',
+
−    405: 'METHOD NOT ALLOWED',
+
−    406: 'NOT ACCEPTABLE',
+
−    407: 'PROXY AUTHENTICATION REQUIRED',
+
−    408: 'REQUEST TIMEOUT',
+
−    409: 'CONFLICT',
+
−    410: 'GONE',
+
−    411: 'LENGTH REQUIRED',
+
−    412: 'PRECONDITION FAILED',
+
−    413: 'REQUEST ENTITY TOO LARGE',
+
−    414: 'REQUEST-URI TOO LONG',
+
−    415: 'UNSUPPORTED MEDIA TYPE',
+
−    416: 'REQUESTED RANGE NOT SATISFIABLE',
+
−    417: 'EXPECTATION FAILED',
+
−    500: 'INTERNAL SERVER ERROR',
+
−    501: 'NOT IMPLEMENTED',
+
−    502: 'BAD GATEWAY',
+
−    503: 'SERVICE UNAVAILABLE',
+
−    504: 'GATEWAY TIMEOUT',
+
−    505: 'HTTP VERSION NOT SUPPORTED',
+
−}
+
−
+
−class WSGIResponse(object):
+
−    """encapsulates the wsgi response parameters
+
−    (code, headers and body if there is one)
+
−    """
+
−    def __init__(self, code, req, body=None):
+
−        text = STATUS_CODE_TEXT.get(code, 'UNKNOWN STATUS CODE')
+
−        self.status =  '%s %s' % (code, text)
+
−        self.headers = list(chain(*[izip(repeat(k), v)
+
−                                    for k, v in req.headers_out.getAllRawHeaders()]))
+
−        self.headers = [(str(k), str(v)) for k, v in self.headers]
+
−        if body:
+
−            self.body = [body]
+
−        else:
+
−            self.body = []
+
−
+
−    def __iter__(self):
+
−        return iter(self.body)
+
−
+
−
+
−class CubicWebWSGIApplication(object):
+
−    """This is the wsgi application which will be called by the
+
−    wsgi server with the WSGI ``environ`` and ``start_response``
+
−    parameters.
+
−    """
+
−
+
−    def __init__(self, config):
+
−        self.appli = CubicWebPublisher(config.repository(), config)
+
−        self.config = config
+
−        self.base_url = self.config['base-url']
+
−        self.url_rewriter = self.appli.vreg['components'].select_or_none('urlrewriter')
+
−
+
−    def _render(self, req):
+
−        """this function performs the actual rendering
+
−        """
+
−        try:
+
−            path = req.path
+
−            result = self.appli.handle_request(req, path)
+
−        except DirectResponse as ex:
+
−            return ex.response
+
−        return WSGIResponse(req.status_out, req, result)
+
−
+
−
+
−    def __call__(self, environ, start_response):
+
−        """WSGI protocol entry point"""
+
−        req = CubicWebWsgiRequest(environ, self.appli.vreg)
+
−        response = self._render(req)
+
−        start_response(response.status, response.headers)
+
−        return response.body
+
−
+
−
+
−
+
−    # these are overridden by set_log_methods below
+
−    # only defining here to prevent pylint from complaining
+
−    info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
+
−
+
−
+
−from logging import getLogger
+
−from cubicweb import set_log_methods
+
−set_log_methods(CubicWebWSGIApplication, getLogger('cubicweb.wsgi'))