Zope changes This file contains change information for the current Zope release. Change information for previous versions of Zope can be found in the file HISTORY.txt. Zope 2.2.0 beta 1 Features Changed - Split the old CHANGES.txt into two files. CHANGES.txt will now contain only change information for the current Zope release. Change information for older versions is now in the file HISTORY.txt. - Added basic internal support for mountable databases. A separate product will still be required to make use of this ability. - Added a new "history" tab to selected objects (DTML methods and documents for now) that provides access to previous versions through the web. - The property management screens now include the types for existing properties. - Added support at Python level for user-defined __get/set/delattr__ methods on persistent objects. These have essentially the same semantics as for Python, except that overridden __set/delattr__ methods must explicitly signal changes that should be persistent. - Better error messages and syslog capabilities were added to pcgi-wrapper (thanks to Jeff Rush). - Calls to the ZLogger system were added to the user authentication process to help sys admins diagnose login problems (thanks again to Jeff Rush). - The Undo view shows *only* transactions performed in the place where undo was performed. (As before, it also shows only transactions performed by users defined in the place where the undo user is defined.) - The way that transaction logging is done was changed to make transaction logs based on "physical" object and user paths. This was necessary to make undo work properly in the presense of virtual hosts. - A number of hooks have been added and changes made to support products that implement virtual hosts. Keep an eye on http://www.zope.org/Members/michel/Projects/Interfaces/ImplementingVirtualHosts - The distributions now have an Extensions directory by default. Bugs Fixed - Added type checking to the constructor and edit methods of builtin Zope object types to prevent inappropriate passing of acquisition-wrapped objects for standard attributes (like title, etc.). A similar restriction was added to prevent the adding of wrapped objects as properties. - Fixed a naming bug in MailHost that caused simple_send to fail. - Fixed a buglet in the rename form that caused the form to submit to the old manage_renameObject if the user just hit the enter key in the browser on a single item rename. - A bug that caused the tabs to disappear after performing cache management operations was fixed. - A problem that prevented multiple Zope instances from running at the same time on win32 was fixed. - An algorithm in medusa's max_sockets.py code was updated to improve startup time on certain platforms. - The behavior of manage_editProperties on PropertyManagers and PropertySheets has been fixed so that existing properties that are not found in the update request are not reset to empty values. - A problem that disallowed access to the individual records in a result set from a SQL method was fixed. - A problem that caused the query template for an SQL method to be rendered twice when used from the "test" tab has been fixed. - Fix for bug #1270: Netscape Image Problems. Added casts to long to avoid an overflow error caused when trying to convert dates sent by certain versions of Netscape in the If-Modified-Since header. - Corrected DateTime.py to recognize years specified as 00 through 69 as 2000 through 2069. - A bug that made objects named in dtml namespaces always fail security validation was fixed. This was noticed by folks trying to use manage_tabs from ZClasses who hit the bug because the manage_tags document uses a namespace: <dtml-with "_(manage_options=..."> - A change to pcgi_publisher was made to support FreeBSD, where send() will send only 8192 bytes at a time. - A bug that broke import in the alpha was fixed. - A bug in the transaction handling logic could cause infinite loops if objects were registered incorrectly. - A bug in the transaction machinery could cause objects to be aborted multiple times if errors occurred. - Logging via syslog now correctly captures the process id. - Adding User Folders and MailHosts from the management screens didn't redirect to the correct URL after adding the object. - A form problem that prevented joining or leaving versions has been fixed. - A more reasonable default content type is now used for HEAD requests on DTML objects if the object does not have a content_type attribute or a file-extension-like id that can be used to determine content type. - HTTP HEAD handling was inconsistent for collections, depending on whether the "default document" (index_html) was acquired or not.