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Build # 24342988816

Build Type

Pull #421

github

Committed by perrinjerome

Commit Message

Add class_factory parameter to DB and ZConfig class-factory option

DB.__init__() opens a connection to verify the root object exists,
and that connection is returned to the pool for future reuse.
Connections capture the classFactory reference at creation time
(in Connection.__init__ via ObjectReader), so setting db.classFactory
after DB.__init__() does not apply to connections already in the pool.

This is a problem for Zope, which overrides DB.classFactory after
construction to provide graceful handling of broken/uninstalled objects.
The first connection handed out after startup may silently use the
wrong class factory.

Add a class_factory parameter to DB.__init__() that is set before any
connection is opened, and a corresponding class-factory option to the
ZConfig database configuration schema. This allows frameworks like
Zope to pass the class factory at construction time.

Pull Request Pull Request #421: Add class_factory parameter to DB and ZConfig class-factory option

Coverage Stats

2445 of 3546 branches covered (68.95%)

22 of 22 new or added lines in 4 files covered. (100.0%)

13375 of 15960 relevant lines covered (83.8%)

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