This makes it difficult to test the Python implementation on CPython; you have to remove the dynamic library.
Most Zope projects that have a C extension respect a PURE_PYTHON=1 environment variable to disable importing the C extension. This project should as well.
Currently, the C extension is unconditionally imported: https://github.com/zopefoundation/zope.i18nmessageid/blob/1d6cc947f45fba4bbed6facf9fea448f5ec4e16b/src/zope/i18nmessageid/message.py#L97-L100
This makes it difficult to test the Python implementation on CPython; you have to remove the dynamic library.
Most Zope projects that have a C extension respect a
PURE_PYTHON=1environment variable to disable importing the C extension. This project should as well.(See https://github.com/zopefoundation/zope.i18nmessageid/pull/27#issuecomment-883503385)