Recovery - #1941
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Pull request overview
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This PR improves resilience when dealing with MAVFTP parameter transfer failures and ambiguous/invalid frame/vehicle identifiers, preventing hard exits and enabling UI-level recovery paths.
Changes:
- Replace
sys.exit()behavior during MAVFTP param decode/read failures with error returns and fallback handling. - Resolve ambiguous VTOL vehicle type classification using firmware banner parsing.
- Allow motor-test UI/model to remain usable when
FRAME_CLASS/FRAME_TYPEcombos are invalid, including metadata-based recovery and new layouts.
Reviewed changes
Copilot reviewed 13 out of 13 changed files in this pull request and generated 7 comments.
Show a summary per file
| File | Description |
|---|---|
| tests/test_data_model_flightcontroller_info.py | Updates classification expectations for ambiguous VTOL MAV type. |
| tests/test_backend_mavftp.py | Adds coverage ensuring MAVFTP decode failures return an error instead of exiting. |
| tests/test_backend_flightcontroller_params.py | Adds coverage for fallback behavior when MAVFTP transfer raises. |
| tests/test_backend_flightcontroller_connection.py | Adds tests for early vehicle-type logging and banner-based resolution. |
| tests/plugins/test_data_model_motor_test.py | Adds/updates tests for invalid frame-type correction and motor layout population. |
| ardupilot_methodic_configurator/plugins/frontend_tkinter_motor_test.py | Hardens combobox selection and forces diagram refresh on frame-type changes/activation. |
| ardupilot_methodic_configurator/plugins/data_model_motor_test.py | Refactors motor layout loading; introduces invalid-frame-type recovery and metadata fallback. |
| ardupilot_methodic_configurator/plugins/AP_Motors_test.json | Adds a BiCopter (class 10) layout for motor testing. |
| ardupilot_methodic_configurator/log_analysis/data_model_quality_fft.py | Minor simplification of return path. |
| ardupilot_methodic_configurator/data_model_flightcontroller_info.py | Marks VTOL_DUOROTOR as ambiguous vehicle type. |
| ardupilot_methodic_configurator/backend_mavftp.py | Returns MAVFTP error codes instead of terminating on param read/decode failures. |
| ardupilot_methodic_configurator/backend_flightcontroller_params.py | Converts MAVFTP download exceptions into logged fallback results. |
| ardupilot_methodic_configurator/backend_flightcontroller_connection.py | Extracts firmware type from banner more robustly; resolves ambiguous heartbeat vehicle types. |
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| class_name = next( | ||
| (str(name).strip().upper() for code, name in class_values.items() if int(code) == frame_class), | ||
| None, | ||
| ) |
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| try: | ||
| mavftp = create_mavftp(self.master) | ||
|
|
||
| def get_params_progress_callback(completion: float) -> None: | ||
| if progress_callback is not None and completion is not None: | ||
| progress_callback(int(completion * 100), 100) |
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| except Exception as error: # pylint: disable=broad-exception-caught | ||
| logging_warning( | ||
| _("MAVFTP parameter download failed; falling back to MAVLink: %(error)s"), | ||
| {"error": str(error)}, | ||
| ) | ||
| return {}, ParDict() |
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| data = fh.read() | ||
| except OSError as exp: | ||
| logging.error("FTP: Failed to read file param.pck: %s", exp) | ||
| sys.exit(1) | ||
| return MAVFTPReturn("GetParams", ERR_Fail) | ||
| pdata = MAVFTP.ftp_param_decode(data) | ||
| if pdata is None: | ||
| sys.exit(1) | ||
| logging.error("FTP: Failed to decode parameter file param.pck") | ||
| return MAVFTPReturn("GetParams", ERR_Fail) |
| frame_type_pairs = self.model.get_frame_type_pairs() | ||
| current_selection = self.model.get_current_frame_selection_key() if frame_type_pairs else None | ||
| current_selection_key = self.model.get_current_frame_selection_key() if frame_type_pairs else None | ||
| current_selection = current_selection_key if current_selection_key in {key for key, _ in frame_type_pairs} else None |
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☂️ Code Coverage
Overall Coverage
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Test Results 4 files ± 0 4 suites ±0 45m 58s ⏱️ -31s For more details on these failures, see this check. Results for commit 35a8852. ± Comparison against base commit 0f76d6d. This pull request removes 1 and adds 7 tests. Note that renamed tests count towards both.♻️ This comment has been updated with latest results. |
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Pull request overview
Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.
Suppressed comments (3)
ardupilot_methodic_configurator/data_model_flightcontroller_info.py:252
- Encoding “ambiguity” as a human-readable string (and then keying logic off
" or "elsewhere) is brittle and mixes display text with decision logic. A more robust approach is to store ambiguity as structured state (e.g.,vehicle_type_candidates: set[str]or a dedicated enum/flag) and derive a user-facing string separately; then banner resolution can update the structured field without relying on substring checks.
mavutil.mavlink.MAV_TYPE_VTOL_DUOROTOR: "ArduPlane or ArduCopter",
ardupilot_methodic_configurator/plugins/frontend_tkinter_motor_test.py:937
- Displaying a modal UI dialog inside a model factory couples model instantiation to the UI layer and makes the factory harder to reuse/test (and can be problematic if invoked before Tk is fully initialized, depending on call site). Prefer returning the model + error status to the view layer (or raising a recoverable exception) and letting the UI decide how/when to notify the user.
model = MotorTestDataModel(context.flight_controller, context.local_filesystem)
if model.invalid_frame_type_error:
showerror(_("Invalid Frame Type"), model.invalid_frame_type_error)
return model
tests/test_backend_flightcontroller_connection.py:1325
- This assertion is likely brittle because it depends on the exact MAVLink enum description formatting (punctuation/capitalization) from
pymavlinkand could change across versions/localization. Consider asserting on more stable substrings (e.g.,"Vehicle type:"and"running ArduPlane firmware") and relying primarily onconnection.info.vehicle_type == "ArduPlane"for correctness.
assert "Vehicle type: Fixed wing aircraft." in caplog.text
| break | ||
| if layout.get("Class") == self._frame_class and layout.get("motors"): | ||
| has_frame_class_configuration = True | ||
| if layout.get("Class") == self._frame_class and layout.get("Type") == self._frame_type: |
Coverage Report for CI Build 33101030817Warning Build has drifted: This PR's base is out of sync with its target branch, so coverage data may include unrelated changes. Coverage decreased (-0.01%) to 89.378%Details
Uncovered ChangesNo uncovered changes found. Coverage Regressions39 previously-covered lines in 3 files lost coverage.
Coverage Stats
💛 - Coveralls |
… state Keep the motor-test plugin usable when the flight controller reports a valid frame class with an unsupported FRAME_TYPE. Show an informative error dialog while still rendering the plugin and allowing the user to select a valid frame type. Refresh motor controls and diagrams after frame changes and flight-controller resets. Avoid invalid combobox selections and suppress diagram lookups while the frame type is invalid. Add regression coverage for invalid frame recovery, plugin rendering, diagram refresh.
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Description
Recover from invalid FRAME_CLASS, FRAME_TYPE combinations
Checklist
git commit --signoff)Testing
Describe how you tested these changes: