def __init__(self, value='', hashbits=default_hashbits, hash_=None):
        "Relies on create_hash() provided by subclass"
        self.hashbits = hashbits
        if hash_:
            self.hash = hash_
        else:
            self.create_hash(value)
def __init__ ( self , value = '' , hashbits = default_hashbits , hash_ = None ) : self . hashbits = hashbits if hash_ : self . hash = hash_ else : self . create_hash ( value )
Relies on create_hash() provided by subclass