trex_stl_types.py 文件源码

def validate_type(arg_name, arg, valid_types):
    if long_exists:
        if valid_types is int:
            valid_types = (int, long)
        elif type(valid_types) is list and int in valid_types and long not in valid_types:
            valid_types.append(long)
    if type(valid_types) is list:
        valid_types = tuple(valid_types)
    if (type(valid_types) is type or                        # single type, not array of types
            type(valid_types) is tuple or                   # several valid types as tuple
                type(valid_types) is types.ClassType):      # old style class
        if isinstance(arg, valid_types):
            return
        raise STLTypeError(arg_name, type(arg), valid_types)
    else:
        raise STLError('validate_type: valid_types should be type or list or tuple of types')

# throws STLError if not exactly one argument is present