[Python-Dev] Semantic of isinstance (original) (raw)

Greg Ewing greg.ewing at canterbury.ac.nz
Wed Jun 28 02:02:54 CEST 2006


Martin v. Löwis wrote:

Again, I believe this is all included for ExtensionClasses: it looks for class on the object if the type check fails, so that an ExtensionClass could be actually a class derived from the C type.

Now that we have had new-style classes for quite a while, is there still a need to support ExtensionClasses?

-- Greg



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