pickle
- pickle(type, function, constructor_ob=None)
Declares that function should be used as a “reduction” function for objects of type type. function must return either a string or a tuple containing between two and six elements. See the dispatch_table for more details on the interface of function.
© Python Software Foundation. PSF License Version 2 · Official docs ↗
1 Example
>>> import copyreg, copy, pickle >>> class C: ... def __init__(self, a): ... self.a = a ... >>> def pickle_c(c): ... print("pickling a C instance...") ... return C, (c.a,) ... >>> copyreg.pickle(C, pickle_c) >>> c = C(1) >>> d = copy.copy(c) pickling a C instance... >>> p = pickle.dumps(c) pickling a C instance...
from the Python docs