def _write_container_output(output_itr, stdout=None, stderr=None):
        """
        Based on the data returned from the Container output, via the iterator, write it to the appropriate streams

        Parameters
        ----------
        output_itr: Iterator
            Iterator returned by the Docker Attach command
        stdout: samcli.lib.utils.stream_writer.StreamWriter, optional
            Stream writer to write stdout data from Container into
        stderr: samcli.lib.utils.stream_writer.StreamWriter, optional
            Stream writer to write stderr data from the Container into
        """

        # Iterator returns a tuple of (frame_type, data) where the frame type determines which stream we write output
        # to
        for frame_type, data in output_itr:

            if frame_type == Container._STDOUT_FRAME_TYPE and stdout:
                # Frame type 1 is stdout data.
                stdout.write(data)

            elif frame_type == Container._STDERR_FRAME_TYPE and stderr:
                # Frame type 2 is stderr data.
                stderr.write(data)

            else:
                # Either an unsupported frame type or stream for this frame type is not configured
                LOG.debug("Dropping Docker container output because of unconfigured frame type. "
                          "Frame Type: %s. Data: %s", frame_type, data)
def _write_container_output ( output_itr , stdout = None , stderr = None ) : for frame_type , data in output_itr : if frame_type == Container . _STDOUT_FRAME_TYPE and stdout : stdout . write ( data ) elif frame_type == Container . _STDERR_FRAME_TYPE and stderr : stderr . write ( data ) else : LOG . debug ( "Dropping Docker container output because of unconfigured frame type. " "Frame Type: %s. Data: %s" , frame_type , data )
Based on the data returned from the Container output, via the iterator, write it to the appropriate streams

        Parameters
        ----------
        output_itr: Iterator
            Iterator returned by the Docker Attach command
        stdout: samcli.lib.utils.stream_writer.StreamWriter, optional
            Stream writer to write stdout data from Container into
        stderr: samcli.lib.utils.stream_writer.StreamWriter, optional
            Stream writer to write stderr data from the Container into