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l5y 1041e06644 data: refactor 4/7 interfaces (#775)
* data: refactor 4/7 interfaces

* data: address PR #775 review feedback

Fix the two CI test regressions caused by the package split:
- ``factory._load_ble_interface`` no longer keeps a stale module-level
  ``BLEInterface`` cache that survived ``monkeypatch`` teardown across
  tests. The package-level attribute is now the single cache; the
  ``factory.py`` global was removed.  This unblocks
  ``test_load_ble_interface_sets_global``.
- ``interfaces/__init__.py`` re-resolves ``SerialInterface`` and
  ``TCPInterface`` from ``meshtastic.*`` at package-load time so that a
  test that pops ``data.mesh_ingestor.interfaces`` from ``sys.modules``
  and re-imports picks up the freshly registered classes rather than
  whatever a cached ``factory.py`` first resolved.  This unblocks
  ``test_interfaces_patch_handles_preimported_serial``.

Restore 100% patch coverage on the interfaces subpackage by:
- Adding tests for previously uncovered, testable paths:
  ``_extract_host_node_id(None)``, ``_ensure_channel_metadata``,
  ``_normalise_nodeinfo_packet`` (None input + dict-conversion fallback),
  ``_resolve_lora_message`` (radio_section paths), ``_modem_preset``
  (preset attr fallback + unparseable value), ``_camelcase_enum_name``
  separator-only input, ``_region_frequency`` no-digit enum name,
  ``_ensure_radio_metadata`` unresolvable-message path, plus the
  unknown-section recursive branch of ``_candidate_node_id``.
- Marking genuinely unreachable defensive branches with
  ``pragma: no cover`` (BLE receive loop body, upstream API regression
  guards, patch re-entry guard, unreachable ``NoAvailableMeshInterface``
  fallback).
2026-05-02 22:59:52 +02:00

42 lines
1.4 KiB
Python

# Copyright © 2025-26 l5yth & contributors
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"""Inject a canonical ``id`` into Meshtastic nodeinfo packets when missing."""
from __future__ import annotations
from .identity import _candidate_node_id, _ensure_mapping
def _normalise_nodeinfo_packet(packet) -> dict | None:
"""Return a dictionary view of ``packet`` with a guaranteed ``id`` when known."""
mapping = _ensure_mapping(packet)
if mapping is None:
return None
try:
normalised: dict = dict(mapping)
except Exception:
try:
normalised = {key: mapping[key] for key in mapping}
except Exception: # pragma: no cover - both copy strategies failed
return None
node_id = _candidate_node_id(normalised)
if node_id and normalised.get("id") != node_id:
normalised["id"] = node_id
return normalised