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(#2843 follow-up) Bambuddy records the project_file behind every print, because that command names where the sliced file was put and so decides whether the archive can have a thumbnail and slicer metadata at all. Its own dispatches were told apart from a slicer's by testing sequence_id against "20000", on the belief that 20000 was Bambuddy's alone. It never was. 20000 is the slicer convention Bambuddy copied -- virtual_printer/bind_server documents the slicer sending exactly that during detect -- and both slicers count up from it. Measured on the wire: OrcaSlicer dispatched 20000 and then 20001, BambuStudio 20009 and 20010. So whichever dispatch happened to land on the shared value was filed as ours and never recorded, and after a slicer restart that is the first print you send. The test was wrong in the other direction too: it called every value above 20000 external, including ones we had sent ourselves, which only stayed invisible because we always send exactly 20000. Ownership is now established by remembering the job actually dispatched -- sequence id, file, url and subtask name -- and consuming that marker on the echo. One-shot deliberately: a slicer reprint of the same file a moment later is somebody else's print and must not hide behind our last one. Nothing about printing or archiving changes. current_project_url and ams_mapping are both captured before this branch and always were, so the storage verdict that gates the FTPS sweep is untouched; two tests pin that, because it is the part that would actually cost archives if it drifted. What changes is that the diagnostic entry stops lying, and it is the entry that tells an operator whether their printer stores files somewhere Bambuddy can read -- which is the whole subject of #2780 and would have to count, and an undercount there would have been silent.
117 lines
5.0 KiB
Python
117 lines
5.0 KiB
Python
"""Telling our own print dispatch from a slicer's (#2843 follow-up).
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The old test was ``sequence_id != "20000"``, on the belief that 20000 was
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Bambuddy's alone. Measured on the wire 2026-08-17: OrcaSlicer dispatched
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``20000`` and then ``20001``, while BambuStudio was on ``20009`` / ``20010`` --
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both counting up from the same base, which is also the value
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``virtual_printer/bind_server`` documents the slicer sending during detect. So
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the check swallowed whichever slicer dispatch landed on 20000, which after a
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slicer restart is the first one.
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It matters beyond the log line: counting Studio-versus-Orca dispatches across
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support bundles is how the size of the internal-storage problem gets measured,
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and an undercount there is silent.
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"""
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import json
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import logging
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import pytest
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from backend.app.services.bambu_mqtt import BambuMQTTClient
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@pytest.fixture
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def client():
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return BambuMQTTClient(ip_address="192.168.1.100", serial_number="TEST123", access_code="12345678")
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def _project_file(sequence_id, file="Cube.gcode.3mf", url="ftp://Cube.gcode.3mf", subtask="Cube"):
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return {
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"print": {
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"sequence_id": sequence_id,
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"command": "project_file",
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"file": file,
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"url": url,
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"subtask_name": subtask,
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"ams_mapping": [0],
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}
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}
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def _external_lines(caplog):
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return [r for r in caplog.records if "External project_file payload" in r.getMessage()]
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class TestSlicerDispatchIsReported:
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@pytest.mark.parametrize("seq", ["20000", "20001", "20009", "20010"])
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def test_every_slicer_sequence_id_is_logged(self, client, caplog, seq):
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"""20000 included -- that is the one the old check threw away."""
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with caplog.at_level(logging.INFO, logger="backend.app.services.bambu_mqtt"):
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client._handle_request_message(_project_file(seq))
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assert len(_external_lines(caplog)) == 1
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def test_the_payload_is_logged_verbatim(self, client, caplog):
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"""It exists to be diffed against ours, so it has to be complete."""
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with caplog.at_level(logging.INFO, logger="backend.app.services.bambu_mqtt"):
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client._handle_request_message(_project_file("20000"))
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logged = json.loads(_external_lines(caplog)[0].getMessage().split("payload: ", 1)[1])
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assert logged["url"] == "ftp://Cube.gcode.3mf"
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assert logged["sequence_id"] == "20000"
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class TestOwnDispatchIsNotReported:
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def test_our_own_echo_is_recognised(self, client, caplog):
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"""Bambuddy publishes to the topic it subscribes to, so it sees its own
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dispatch come back."""
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ours = _project_file("20000", url="ftp://MyPrint.3mf", file="MyPrint.3mf", subtask="MyPrint")
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client._own_project_file_key = client._project_file_key(ours["print"])
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with caplog.at_level(logging.INFO, logger="backend.app.services.bambu_mqtt"):
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client._handle_request_message(ours)
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assert _external_lines(caplog) == []
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def test_the_marker_is_consumed(self, client, caplog):
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"""One-shot. A second identical dispatch is somebody else's -- a reprint
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from the slicer of the same file must not hide behind our last one."""
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ours = _project_file("20000")
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client._own_project_file_key = client._project_file_key(ours["print"])
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with caplog.at_level(logging.INFO, logger="backend.app.services.bambu_mqtt"):
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client._handle_request_message(ours)
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client._handle_request_message(ours)
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assert len(_external_lines(caplog)) == 1
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def test_a_slicer_sharing_our_sequence_id_is_still_reported(self, client, caplog):
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"""The exact collision that motivated this: same 20000, different file."""
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ours = _project_file("20000", file="Ours.3mf", url="ftp://Ours.3mf", subtask="Ours")
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client._own_project_file_key = client._project_file_key(ours["print"])
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with caplog.at_level(logging.INFO, logger="backend.app.services.bambu_mqtt"):
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client._handle_request_message(_project_file("20000", file="Theirs.3mf", url="brtc://emmc/Theirs.3mf"))
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assert len(_external_lines(caplog)) == 1
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class TestUnaffectedBehaviour:
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def test_the_project_url_is_captured_either_way(self, client):
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"""The storage verdict must not depend on who dispatched -- it is read
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before the ours/theirs test and drives whether the FTPS sweep runs."""
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ours = _project_file("20000", url="ftp://Ours.3mf", file="Ours.3mf", subtask="Ours")
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client._own_project_file_key = client._project_file_key(ours["print"])
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client._handle_request_message(ours)
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assert client.state.current_project_url == "ftp://Ours.3mf"
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client._handle_request_message(_project_file("20009", url="brtc://emmc/Theirs.3mf"))
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assert client.state.current_project_url == "brtc://emmc/Theirs.3mf"
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def test_ams_mapping_is_captured_either_way(self, client):
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ours = _project_file("20000")
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client._own_project_file_key = client._project_file_key(ours["print"])
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client._handle_request_message(ours)
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assert client._captured_ams_mapping == [0]
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