# pickle

# pickle.dumps(obj) -> bytes

Return the pickled representation of an object as a bytes object.

# pickle.loads(b: bytes)

Return the unpickled object from a bytes object.

# What can be pickled and unpickled?

The following types can be pickled:

  • None, True, and False;
  • integers, floating-point numbers;
  • strings, bytes;
  • tuples, lists, sets, and dictionaries containing only picklable objects;
  • functions (built-in and user-defined) accessible from the top level of a module (using def, not lambda);
  • classes accessible from the top level of a module;
  • instances of such classes

The following magic methods are available:

  • __getnewargs__
  • __getstate__
  • __setstate__
  • __reduce__