def __bobo_traverse__(self, REQUEST, name):
"""Hook for Zope 2 traversal
This method is called by Zope 2's ZPublisher upon traversal.
It allows us to trick it into faking the Zope 3 traversal system
by using an ITraverser adapter.
"""
if not IBrowserRequest.providedBy(REQUEST):
# Try to get the REQUEST by acquisition
REQUEST = getattr(self, 'REQUEST', None)
if not IBrowserRequest.providedBy(REQUEST):
REQUEST = FakeRequest()
# set the default skin on the request if it doesn't have any
# layers set on it yet
if queryType(REQUEST, ILayer) is None:
setDefaultSkin(REQUEST)
# con Zope 3 into using Zope 2's checkPermission
newInteraction()
try:
return ITraverser(self).traverse(path=[name],
request=REQUEST).__of__(self)
except (ComponentLookupError, LookupError, AttributeError, KeyError,
NotFound):
pass
try:
return getattr(self, name)
except AttributeError:
pass
try:
return self[name]
except (AttributeError, KeyError):
pass
return self.__fallback_traverse__(REQUEST, name)
def __call__(self):
context = self.context
request = self.request
response = request.response
r = []
url = zapi.absoluteURL(context, request)
r.append('url:%s' % url)
adapted = IReadFile(context)
if hasattr(adapted, 'contentType'):
# Although IReadFile declares contentType,
# the default adapter for File doesn't seem
# to provide it.
r.append('content_type:%s' % adapted.contentType)
# There's no such thing as a meta_type
# in Zope3, so we try to get as far as we can
# using IContentType, which is a marker interface
# Had to use removeSecurityProxy because
# I was getting unauthorized on __iro__
meta_type = queryType(removeSecurityProxy(context), IContentType)
if meta_type:
r.append('meta_type:%s' % meta_type.__name__)
auth = request._auth
if auth is not None:
if auth.endswith('\n'):
auth = auth[:-1]
r.append('auth:%s' % auth)
r.append('cookie:%s' % request._environ.get('HTTP_COOKIE', ''))
# TODO: Once we have lock, add the lock token here
r.append('')
response.setHeader('Pragma', 'no-cache')
r.append(adapted.read())
response.setHeader('Content-Type', 'application/x-zope-edit')
return '\n'.join(r)
def __bobo_traverse__(self, REQUEST, name):
"""Hook for Zope 2 traversal
This method is called by Zope 2's ZPublisher upon traversal.
It allows us to trick it into faking the Zope 3 traversal system
by using an ITraverser adapter.
"""
if not IBrowserRequest.providedBy(REQUEST):
# Try to get the REQUEST by acquisition
REQUEST = getattr(self, 'REQUEST', None)
if not IBrowserRequest.providedBy(REQUEST):
REQUEST = FakeRequest()
# set the default skin on the request if it doesn't have any
# layers set on it yet
if queryType(REQUEST, ILayer) is None:
setDefaultSkin(REQUEST)
# con Zope 3 into using Zope 2's checkPermission
newInteraction()
try:
return ITraverser(self).traverse(
path=[name], request=REQUEST).__of__(self)
except (ComponentLookupError, LookupError,
AttributeError, KeyError, NotFound):
pass
try:
return self.__fallback_traverse__(REQUEST, name)
except NotImplementedError:
pass
# TODO: This should at least make an attempt to deal with
# potential WebDAV issues, in particular we should not perform
# acquisition for webdav requests. See BaseRequest.traverse for
# details.
try:
return getattr(self, name)
except AttributeError:
pass
try:
return self[name]
except (AttributeError, KeyError):
pass
raise AttributeError, name
def queryContentType(object):
"""Returns the interface implemented by object which implements
`IContentType`."""
return queryType(object, IContentType)
