* Zaur Shibzukhov <[email protected]> [2015年03月17日 22:29:07 +0300]: > Yes... But I expected that dict constructor will use `__getitem__` or > `items` method of MyDict instance in order to retrieve items of the MyDict > instance during construction of the dict instance... Instead it interpreted > MyDict instance as the dict instance during construction of new dict.This > exactly caused my confusion.
Subclassing builtins is always a recipe for trouble, because the C implementation doesn't necessarily call your Python methods. You should probably use collections.UserDict or collections.abc.(Mutable)Mapping instead: https://docs.python.org/3/library/collections.html#collections.UserDict https://docs.python.org/3/library/collections.abc.html#collections.abc.Mapping Florian -- http://www.the-compiler.org | [email protected] (Mail/XMPP) GPG: 916E B0C8 FD55 A072 | http://the-compiler.org/pubkey.asc I love long mails! | http://email.is-not-s.ms/
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