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The copy_reg module provides support for the pickle
and cPickle
modules. The copy
module is likely to use this in the future as well. It 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.
-
| pickle( |
type, function[, constructor]) |
- Declares that function should be used as a ``reduction'' function for objects
of type type; type must not be a ``classic'' class object. (Classic
classes are handled differently; see the documentation for the pickle module for details.) function should
return either a string or a tuple containing two or three elements.
The optional constructor parameter, if provided, is a callable object which
can be used to reconstruct the object when called with the tuple of arguments returned by function
at pickling time. TypeError will be raised if object
is a class or constructor is not callable.
See the pickle module for more
details on the interface expected of function and constructor.
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