stdtypes.py 文件源码

def _load_(self, value, context):
        if isinstance(value, complex):
            pass
        elif isinstance(value, (integer_types, float)):
            value = complex(value)
        elif isinstance(value, (tuple, list)):
            if len(value) != 2:
                raise ValueError()
            if not isinstance(value[0], (integer_types, float)) or not isinstance(value[1], (integer_types, float)):
                raise ValueError()
            value = complex(value[0], value[1])
        else:
            raise ValueError()
        if not self.get_options().allow_nan and (cmath.isnan(value) or cmath.isinf(value)):
            raise ValueError()
        return value