def _getUndoInfo(self, context, principal, first, last):
specification = {}
if context is not None:
locatable = IPhysicallyLocatable(context, None)
if locatable is not None:
location = Prefix(locatable.getPath())
specification.update({'location': location})
if principal is not None:
# TODO: The 'user' in the transactions is a concatenation
# of 'path' and 'user' (id). 'path' used to be the path
# of the user folder in Zope 2. ZopePublication currently
# does not set a path, so ZODB lets the path default to
# '/'. We should change ZODB3 to set no default path at
# some point
path = '/' # default for now
specification.update({'user_name': path + ' ' + principal.id})
entries = self.__db.undoInfo(first, last, specification)
# We walk through the entries, augmenting the dictionaries
# with some additional items we have promised in the interface
for entry in entries:
entry['datetime'] = datetime.fromtimestamp(entry['time'])
entry['principal'] = None
user_name = entry['user_name']
if user_name:
# TODO: This is because of ZODB3/Zope2 cruft regarding
# the user path (see comment above). This 'if' block
# should go away.
split = user_name.split()
if len(split) == 2:
user_name = split[1]
if user_name:
try:
principal = zope.component.getUtility(
IAuthentication).getPrincipal(user_name)
entry['principal'] = principal
except PrincipalLookupError:
# principals might have passed away
pass
except NotFoundError: # BBB Backward Compatibility
warnings.warn(
"An authentication utility raised a NotFoundError in "
"getPrincipals. Raising NotFoundError in this "
"method is deprecated and will no-longer be supported "
"staring in Zope 3.3. PrincipalLookupError should "
"be raised instead.",
DeprecationWarning)
return entries
def annotateTransaction(self, txn, request, ob):
"""Set some useful meta-information on the transaction. This
information is used by the undo framework, for example.
This method is not part of the `IPublication` interface, since
it's specific to this particular implementation.
"""
if request.principal is not None:
txn.setUser(request.principal.id)
# Work around methods that are usually used for views
bare = removeSecurityProxy(ob)
if isinstance(bare, instancemethod):
ob = bare.im_self
# set the location path
path = None
locatable = IPhysicallyLocatable(ob, None)
if locatable is not None:
# Views are made children of their contexts, but that
# doesn't necessarily mean that we can fully resolve the
# path. E.g. the family tree of a resource cannot be
# resolved completely, as the site manager is a dead end.
try:
path = locatable.getPath()
except (AttributeError, TypeError):
pass
if path is not None:
txn.setExtendedInfo('location', path)
# set the request type
iface = IRequest
for iface in providedBy(request):
if iface.extends(IRequest):
break
iface_dotted = iface.__module__ + '.' + iface.getName()
txn.setExtendedInfo('request_type', iface_dotted)
return txn
def test(self):
setup.setUpTraversal()
root = Root()
f1 = contained(C(), root, name='f1')
f2 = contained(SiteManagerContainer(), f1, name='f2')
f3 = contained(C(), f2, name='f3')
adapter = IPhysicallyLocatable(f3)
self.assertEqual(adapter.getPath(), '/f1/f2/f3')
self.assertEqual(adapter.getName(), 'f3')
self.assertEqual(adapter.getRoot(), root)
self.assertEqual(adapter.getNearestSite(), root)
setup.createSiteManager(f2)
self.assertEqual(adapter.getNearestSite(), f2)