/usr/share/pyshared/zope/app/publication/browser.py is in python-zope.app.publication 3.13.2-0ubuntu2.
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#
# Copyright (c) 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.
#
##############################################################################
"""Browser Publication Code
This module implements browser-specific publication and traversal components
for the publisher.
"""
__docformat__ = 'restructuredtext'
from zope.component import queryMultiAdapter
from zope.publisher.interfaces.browser import IBrowserPublisher
from zope.app.publication.http import BaseHTTPPublication
from zope.traversing.publicationtraverse import PublicationTraverser #BBB import
class BrowserPublication(BaseHTTPPublication):
"""Web browser publication handling."""
def getDefaultTraversal(self, request, ob):
if IBrowserPublisher.providedBy(ob):
# ob is already proxied, so the result of calling a method will be
return ob.browserDefault(request)
else:
adapter = queryMultiAdapter((ob, request), IBrowserPublisher)
if adapter is not None:
ob, path = adapter.browserDefault(request)
ob = self.proxy(ob)
return ob, path
else:
# ob is already proxied
return ob, None
def afterCall(self, request, ob):
super(BrowserPublication, self).afterCall(request, ob)
if request.method == 'HEAD':
request.response.setResult('')
# For now, have a factory that returns a singleton
class PublicationFactory(object):
def __init__(self, db):
self.__pub = BrowserPublication(db)
def __call__(self):
return self.__pub
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