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copyreg

Helper to provide extensibility for pickle.

This is only useful to add pickle support for extension types defined in
C, not for instances of user-defined classes.

© Python Software Foundation. PSF License Version 2 · Official docs ↗

Symbols in copyreg

c

constructor: Declares object to be a valid constructor.

p

pickle: Declares that function should be used as a “reduction” function for objects of type type.