Method _send_message

src/debugpy/common/messaging.py:1200–1224

Sends a new message to the other party. Generates a new sequence number for the message, and provides it to the caller before the message is sent, using the context manager protocol:: with send_message(...) as seq: # The message hasn't been sent yet.

(self, message)

    @contextlib.contextmanager
    def _send_message(self, message):
        """Sends a new message to the other party.

        Generates a new sequence number for the message, and provides it to the
        caller before the message is sent, using the context manager protocol::

            with send_message(...) as seq:
                # The message hasn't been sent yet.
                ...
            # Now the message has been sent.

        Safe to call concurrently for the same channel from different threads.
        """

        assert "seq" not in message
        with self:
            seq = next(self._seq_iter)

        message = MessageDict(None, message)
        message["seq"] = seq
        self._prettify(message)

        with self:
            yield seq
            self.stream.write_json(message)

    def send_request(self, command, arguments=None, on_before_send=None):
        """Sends a new request, and returns the OutgoingRequest object for it.