During our latest discussion to put my most important Zope2 products into a public repository, I have promissed to publish them on PyPI instead. Yesterday, I started work to fulfill this promiss and carefully read the PyPI related documentation -- to find out, that it is not easy to publish Zope2 products. As the name suggests, PyPI is for Python packages. And Zope2 products rightfully are no Python packages: When a Zope instance starts, it does potentially expensive things for its products. I have tiny Zope instances with a few inexpensive products that start within a few seconds. And I have huge Zope instances with lots of products which parse huge XML files or have large message catalogs and take half to one minute to start. Definitely, I do not want that all my Zope instances use the same products installed via "setuptools" somewhere under the central "site-packages". My current ideas towards a solution: We define a package prefix for Zope2 products, e.g. "zope2.products". Zope2 products are published to PyPI as "<prefix>.<productname>". We extend the Zope2 configuration with an option "additional-products" which lists the products used by the instance that are not at a standard place -- such as those installed by "setuptools" -- Dieter