def __init__()

in src/base64io/__init__.py [0:0]

• 8 lines of code
• 3 McCabe index (conditional complexity)

    def __init__(self, wrapped):
        # type: (Base64IO, IO) -> None
        """Check for required methods on wrapped stream and set up read buffer.

        :raises TypeError: if ``wrapped`` does not have attributes needed to determine the stream's state
        """
        required_attrs = ("read", "write", "close", "closed", "flush")
        if not all(hasattr(wrapped, attr) for attr in required_attrs):
            raise TypeError("Base64IO wrapped object must have attributes: %s" % (repr(sorted(required_attrs)),))
        super(Base64IO, self).__init__()
        self.__wrapped = wrapped
        self.__read_buffer = b""
        self.__write_buffer = b""