Update of /cvsroot/python/python/dist/src/Lib
In directory slayer.i.sourceforge.net:/tmp/cvs-serv15338
Modified Files:
copy_reg.py
Log Message:
In the module docstring, clarify that this is used to register pickle
support for extension types, not classes.
pickle(): If the type is a class or if the reduction function is not
callable, raise a TypeError.
constructor(): If the constructor is not callable, raise TypeError.
This (partially) closes SourceForge patch #101859.
Index: copy_reg.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/copy_reg.py,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -r1.3 -r1.4
*** copy_reg.py 2000/02/02 15:10:13 1.3
--- copy_reg.py 2000/10/11 22:16:45 1.4
***************
*** 1,8 ****
! """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
--- 1,19 ----
! """Helper to provide extensibility for pickle/cPickle.
+ This is only useful to add pickle support for extension types defined in
+ C, not for instances of user-defined classes.
+ """
+
+ from types import ClassType as _ClassType
+
dispatch_table = {}
safe_constructors = {}
! def pickle(ob_type, pickle_function, constructor_ob=None):
! if type(ob_type) is _ClassType:
! raise TypeError("copy_reg is not intended for use with classes")
!
! if not callable(pickle_function):
! raise TypeError("reduction functions must be callable")
dispatch_table[ob_type] = pickle_function
***************
*** 11,14 ****
--- 22,27 ----
def constructor(object):
+ if not callable(object):
+ raise TypeError("constructors must be callable")
safe_constructors[object] = 1
***************
*** 19,21 ****
pickle(type(1j), pickle_complex, complex)
-
--- 32,33 ----
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