Skip to main content
This is a pre-production deployment of Warehouse. Changes made here affect the production instance of PyPI (
Help us improve Python packaging - Donate today!

A product for purging old and missing marker interfaces from objects

Project Description

Warning: This product is highly experimental, and created without deep knowledge/experience of the marker interfaces or ZODB machinery. It may start making modifications deep within the ZODB and interface machinery as soon as it is loaded.

It’s main purpose is being installed and run on an instance that has old, broken marker interface dependencies and being used to find and clear those dependencies. In particular this product was built to remove p4a (Plone 4 Artists) cruft when upgrading from Plone 3 to Plone 4. It should be noted that product has its own uninstallation procedure.

Portions copied from ZODB and zope.interface (under the ZPL). The rest is available under the GPL. 1.0.4a (2012-03-16)

  • Repackaging egg to include changes.txt

1.0.3a (2012-02-20)

  • Fixing some bugs in extensions.

1.0.2a (2012-02-15)

  • Re-enabled patching of ZODB/serialize to enable migrating Plone site without upgrade stopping on missing interfaces
  • Refactored the code a bit, adding more robustness to the hacked _dump method.
Release History

Release History

This version
History Node


History Node


History Node


History Node


History Node


Download Files

Download Files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
Products.PurgeMissingObjectInterfaces-1.0.4a.tar.gz (6.9 kB) Copy SHA256 Checksum SHA256 Source Mar 16, 2012

Supported By

WebFaction WebFaction Technical Writing Elastic Elastic Search Pingdom Pingdom Monitoring Dyn Dyn DNS Sentry Sentry Error Logging CloudAMQP CloudAMQP RabbitMQ Heroku Heroku PaaS Kabu Creative Kabu Creative UX & Design Fastly Fastly CDN DigiCert DigiCert EV Certificate Rackspace Rackspace Cloud Servers DreamHost DreamHost Log Hosting