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python Programming Glossary: self.default_factory

Is there a clever way to pass the key to defaultdict's default_factory?

http://stackoverflow.com/questions/2912231/is-there-a-clever-way-to-pass-the-key-to-defaultdicts-default-factory

keydefaultdict defaultdict def __missing__ self key if self.default_factory is None raise KeyError key else ret self key self.default_factory.. is None raise KeyError key else ret self key self.default_factory key return ret d keydefaultdict C d x # returns C x share..

how do i rewrite this function to implement OrderedDict?

http://stackoverflow.com/questions/4126348/how-do-i-rewrite-this-function-to-implement-ordereddict

def __init__ self args kwargs if not args self.default_factory None else if not args 0 is None or callable args 0 raise TypeError.. raise TypeError 'first argument must be callable or None' self.default_factory args 0 args args 1 super OrderedDefaultdict self .__init__ args.. self .__init__ args kwargs def __missing__ self key if self.default_factory is None raise KeyError key self key default self.default_factory..

Can I do an ordered, default dict in Python

http://stackoverflow.com/questions/6190331/can-i-do-an-ordered-default-dict-in-python

argument must be callable' OrderedDict.__init__ self a kw self.default_factory default_factory def __getitem__ self key try return OrderedDict.__getitem__.. return self.__missing__ key def __missing__ self key if self.default_factory is None raise KeyError key self key value self.default_factory.. is None raise KeyError key self key value self.default_factory return value def __reduce__ self if self.default_factory is..

How can I detect if a file is binary (non-text) in python?

http://stackoverflow.com/questions/898669/how-can-i-detect-if-a-file-is-binary-non-text-in-python