Antoine Pitrou <pit...@free.fr> added the comment: > The attached patch makes pickle use an object's __qualname__ attribute > if __name__ does not work. > > This makes nested classes, unbound instance methods and static methods > picklable (assuming that __module__ and __qualname__ give the correct > "address").
Thanks. I'm not sure that's a good approach for protocol 3: some pickles created by Python 3.3 would not be readable by Python 3.2. That's why I initially added that idea to PEP 3154, for a hypothetical protocol 4. However, perhaps it is possible to use the same reduce/getattr trick you are proposing for instance methods? > BTW, It would not be hard to make instance methods picklable (and, as > a by-product, class methods) by giving instance methods a __reduce__ > method equivalent to > > def __reduce__(self): > return (getattr, (self.__self__, self.__name__)) > > Is there any reason not to make such a change? I don't see any personally. Actually, multiprocessing has a Pickler subclass called ForkingPickler which does something similar (in Lib/multiprocessing/forking.py). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue13520> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
