mirror of
https://github.com/python/cpython.git
synced 2024-11-27 03:45:08 +08:00
4acc25bd39
1. Comments at the beginning of the module, before
functions, and before classes have been turned
into docstrings.
2. Tabs are normalized to four spaces.
Also, removed the "remove" function from dircmp.py, which reimplements
list.remove() (it must have been very old).
22 lines
505 B
Python
22 lines
505 B
Python
"""Helper to provide extensibility for pickle/cPickle."""
|
|
|
|
dispatch_table = {}
|
|
safe_constructors = {}
|
|
|
|
def pickle(ob_type, pickle_function, constructor_ob = None):
|
|
dispatch_table[ob_type] = pickle_function
|
|
|
|
if constructor_ob is not None:
|
|
constructor(constructor_ob)
|
|
|
|
def constructor(object):
|
|
safe_constructors[object] = 1
|
|
|
|
# Example: provide pickling support for complex numbers.
|
|
|
|
def pickle_complex(c):
|
|
return complex, (c.real, c.imag)
|
|
|
|
pickle(type(1j), pickle_complex, complex)
|
|
|