> One of the big issues that makes library authors reluctant to use metaclasses > (even when they would be appropriate) is the risk of metaclass conflicts.
Really? I've written and reviewed a lot of metaclasses and this has never worried me. The problem is limited to multiple inheritance, right? I worry a lot about MI being imposed on classes that weren't written with MI in mind, but I've never particularly worried about the special case of metaclasses. -- --Guido van Rossum (python.org/~guido)
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