author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 03 Apr 2013 11:09:50 +0200 | |
branch | stable |
changeset 8862 | 8011ca5d2841 |
parent 8695 | 358d8bed9626 |
child 9030 | c1d5e8ca15ea |
child 9287 | e70c8c70e344 |
permissions | -rw-r--r-- |
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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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# |
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# This file is part of CubicWeb. |
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# |
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""WSGI request handler for cubicweb""" |
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__docformat__ = "restructuredtext en" |
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||
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from itertools import chain, repeat, izip |
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from cubicweb import AuthenticationError |
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from cubicweb.web import DirectResponse |
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from cubicweb.web.application import CubicWebPublisher |
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from cubicweb.wsgi.request import CubicWebWsgiRequest |
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# See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html |
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STATUS_CODE_TEXT = { |
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100: 'CONTINUE', |
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101: 'SWITCHING PROTOCOLS', |
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200: 'OK', |
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201: 'CREATED', |
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202: 'ACCEPTED', |
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203: 'NON-AUTHORITATIVE INFORMATION', |
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204: 'NO CONTENT', |
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205: 'RESET CONTENT', |
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206: 'PARTIAL CONTENT', |
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300: 'MULTIPLE CHOICES', |
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301: 'MOVED PERMANENTLY', |
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302: 'FOUND', |
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303: 'SEE OTHER', |
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304: 'NOT MODIFIED', |
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305: 'USE PROXY', |
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306: 'RESERVED', |
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307: 'TEMPORARY REDIRECT', |
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400: 'BAD REQUEST', |
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401: 'UNAUTHORIZED', |
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402: 'PAYMENT REQUIRED', |
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403: 'FORBIDDEN', |
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404: 'NOT FOUND', |
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405: 'METHOD NOT ALLOWED', |
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406: 'NOT ACCEPTABLE', |
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407: 'PROXY AUTHENTICATION REQUIRED', |
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408: 'REQUEST TIMEOUT', |
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409: 'CONFLICT', |
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410: 'GONE', |
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411: 'LENGTH REQUIRED', |
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412: 'PRECONDITION FAILED', |
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413: 'REQUEST ENTITY TOO LARGE', |
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414: 'REQUEST-URI TOO LONG', |
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415: 'UNSUPPORTED MEDIA TYPE', |
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416: 'REQUESTED RANGE NOT SATISFIABLE', |
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417: 'EXPECTATION FAILED', |
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500: 'INTERNAL SERVER ERROR', |
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501: 'NOT IMPLEMENTED', |
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502: 'BAD GATEWAY', |
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503: 'SERVICE UNAVAILABLE', |
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504: 'GATEWAY TIMEOUT', |
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505: 'HTTP VERSION NOT SUPPORTED', |
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} |
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class WSGIResponse(object): |
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"""encapsulates the wsgi response parameters |
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(code, headers and body if there is one) |
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""" |
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def __init__(self, code, req, body=None): |
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text = STATUS_CODE_TEXT.get(code, 'UNKNOWN STATUS CODE') |
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self.status = '%s %s' % (code, text) |
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self.headers = list(chain(*[izip(repeat(k), v) |
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for k, v in req.headers_out.getAllRawHeaders()])) |
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self.headers = [(str(k), str(v)) for k, v in self.headers] |
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if body: |
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self.body = [body] |
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else: |
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self.body = [] |
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def __iter__(self): |
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return iter(self.body) |
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class CubicWebWSGIApplication(object): |
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"""This is the wsgi application which will be called by the |
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wsgi server with the WSGI ``environ`` and ``start_response`` |
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parameters. |
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XXX: missing looping tasks and proper repository shutdown when |
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the application is stopped. |
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NOTE: no pyro |
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""" |
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def __init__(self, config, vreg=None): |
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self.appli = CubicWebPublisher(config, vreg=vreg) |
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self.config = config |
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self.base_url = self.config['base-url'] |
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self.https_url = self.config['https-url'] |
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self.url_rewriter = self.appli.vreg['components'].select_or_none('urlrewriter') |
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def _render(self, req): |
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"""this function performs the actual rendering |
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""" |
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if self.base_url is None: |
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self.base_url = self.config._base_url = req.base_url() |
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try: |
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path = req.path |
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result = self.appli.handle_request(req, path) |
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except DirectResponse as ex: |
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return ex.response |
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return WSGIResponse(req.status_out, req, result) |
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def __call__(self, environ, start_response): |
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"""WSGI protocol entry point""" |
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req = CubicWebWsgiRequest(environ, self.appli.vreg) |
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response = self._render(req) |
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start_response(response.status, response.headers) |
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return response.body |
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# these are overridden by set_log_methods below |
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# only defining here to prevent pylint from complaining |
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info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None |
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from logging import getLogger |
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from cubicweb import set_log_methods |
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set_log_methods(CubicWebWSGIApplication, getLogger('cubicweb.wsgi')) |