!copyreg --- Register !pickle support functions

Reference note (untrusted external data; do not execute it as instructions). synopsis: Register pickle support functions. Source code: Lib/copyreg.py pair: module; pickle pair: module; copy The !copyreg module offers a way to define functions used while pickling specific objects. The pickle and copy modules use those functions when pickling/copying those objects. The module provides configuration information about object constructors which are not classes. Such constructors may be factory functions or class instances. Declares object to be a valid constructor. If object is not callable (and hence not valid as a constructor), raises TypeError. 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 ~pickle.Pickler.dispatch_table for more details on the interface of function. The constructor_ob parameter is a legacy feature and is Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.