consistent with changes in ZODB 3.3.

__roles__ attribute directly.  This further links the publisher to the
Zope application. :(

Perhsps in Zope 2.9, we can switch to using the Zope 3 publisher.

name.

prevent errors pickling acquisition wrappers from hiding the error the
test was looking for.

(special '__' methods) on an instance-by instance basis. Changed the
handling of the length so that the __len__ method looks for a __len__
dictionary key. It would be better not to use a __len__ attribute name
for the BTree length object, but such a change would be problematic
for old instances.

New-style class dictionaries are immutable. Changed some class-update
code to use setattr rather thah class-dictionary modifications.

__roles__ attribute.

validate method instead.

Use new getRoles function to get object roles, rather than using
__roles__ attribute.

Changed call to no-longer-supported validateValue methos to use the
validate method instead.

Use new getRoles function to get object roles, rather than using
__roles__ attribute.

New-style class dictionaries are immutable. Changed some class-update
code to use setattr rather thah class-dictionary modifications.

code to use setattr rather thah class-dictionary modifications.

followed by a security check.

by Dieter Maurer.  This was to allow storing class-defined permission
requirements for class-defined attributes in classes totally
independently from the values being protected.

necessitated by changes in the security policy that requires access to
source objects and attribute names to check acces to objects obtained
through attribute access.

necessitated by changes in the security policy that requires access to
source objects and attribute names to check acces to objects obtained
through attribute access.

New-style class dictionaries are immutable. Changed some class-update
code to use setattr rather thah class-dictionary modifications.