def _query_key_maker(self, *args, **kwargs):
"""Generate hashable keys for the query method
The paramaters are scrubbed, turning them into a tuple
or tuple of tuples, as needed
"""
arg_copy = list(args)
query = remove_ws(arg_copy.pop(0)).lower()
tupled_params = tuplify(arg_copy)
kwarg_copy = tuple([(k, v) for k, v in kwargs.iteritems()])
return (self.connection_string.lower(), query, tupled_params,
kwarg_copy)
def hex_tupler(l):
"""Tuplify a list, converting hex strings into bytes"""
return tuplify(l,
lambda i: hextobytes(i) if is_hex_string(i) else i)