ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙclass Delegator: def __init__(self, delegate=None): self.delegate = delegate self.__cache = set() # Cache is used to only remove added attributes # when changing the delegate. def __getattr__(self, name): attr = getattr(self.delegate, name) # May raise AttributeError setattr(self, name, attr) self.__cache.add(name) return attr def resetcache(self): "Removes added attributes while leaving original attributes." # Function is really about resetting delagator dict # to original state. Cache is just a means for key in self.__cache: try: delattr(self, key) except AttributeError: pass self.__cache.clear() def setdelegate(self, delegate): "Reset attributes and change delegate." self.resetcache() self.delegate = delegate if __name__ == '__main__': from unittest import main main('idlelib.idle_test.test_delegator', verbosity=2)