/usr/share/pyshared/zope/app/publication/httpfactory.py is in python-zope.app.publication 3.13.2-0ubuntu2.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""HTTP Factory
"""
__docformat__ = 'restructuredtext'
from zope import interface
from zope.publisher.interfaces import ISkinnable
from zope.publisher.skinnable import setDefaultSkin
from zope.app.publication import interfaces
from zope.app.publication.requestpublicationregistry import factoryRegistry
def chooseClasses(method, environment):
"""Given the method and environment, choose the correct request and
publication factory."""
content_type = environment.get('CONTENT_TYPE', '')
factory = factoryRegistry.lookup(method, content_type, environment)
request_class, publication = factory()
return request_class, publication
class HTTPPublicationRequestFactory(object):
interface.implements(interfaces.IPublicationRequestFactory)
def __init__(self, db):
"""See `zope.app.publication.interfaces.IPublicationRequestFactory`"""
self._db = db
self._publication_cache = {}
def __call__(self, input_stream, env):
"""See `zope.app.publication.interfaces.IPublicationRequestFactory`"""
method = env.get('REQUEST_METHOD', 'GET').upper()
request_class, publication_class = chooseClasses(method, env)
publication = self._publication_cache.get(publication_class)
if publication is None:
publication = publication_class(self._db)
self._publication_cache[publication_class] = publication
request = request_class(input_stream, env)
request.setPublication(publication)
if ISkinnable.providedBy(request):
# only ISkinnable requests have skins
setDefaultSkin(request)
return request
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