__init__.py 文件源码

def write(self, n=65536):
        """
        Called when it is detected the output side of this connector is ready
        to write. Reads (potentially blocks) at most n bytes and writes them to
        the output ends of this connector. If no bytes could be read, the connector
        is closed.

        :param n The maximum number of bytes to write.
        :type n int
        :returns: The actual number of bytes written.
        """
        buf = self.input.read(n)

        if buf:
            return self.output.write(buf)
        else:
            self.close()

        return 0