def __init__(self, use_builtins=True):
        """
        A Factory that can be used to generate IIPSource providers
        :param use_builtins: there are a number of built-in sources
        available in this library, this option includes them by
        default in the factory.
        :type use_builtins: bool
        """
        self._sources = set()
        if use_builtins:
            for args in self._builtin_sources.values():
                self.add_source(*args)
def __init__ ( self , use_builtins = True ) : self . _sources = set ( ) if use_builtins : for args in self . _builtin_sources . values ( ) : self . add_source ( * args )
A Factory that can be used to generate IIPSource providers
        :param use_builtins: there are a number of built-in sources
        available in this library, this option includes them by
        default in the factory.
        :type use_builtins: bool