# Copyright 2002 Ben Escoto
#
# This file is part of rdiff-backup.
#
# rdiff-backup is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA
# 02139, USA; either version 2 of the License, or (at your option) any
# later version; incorporated herein by reference.

"""MakeStatic and MakeClass

These functions are used to make all the instance methods in a class
into static or class methods.

"""

class StaticMethodsError(Exception): pass

def MakeStatic(cls):
	"""turn instance methods into static ones

	The methods (that don't begin with _) of any class that
	subclasses this will be turned into static methods.

	"""
	for name in dir(cls):
		if name[0] != "_":
			cls.__dict__[name] = staticmethod(cls.__dict__[name])

def MakeClass(cls):
	"""Turn instance methods into classmethods.  Ignore _ like above"""
	for name in dir(cls):
		if name[0] != "_":
			cls.__dict__[name] = classmethod(cls.__dict__[name])