Linting + touches

drb-edge-node/app/internal/call_recorder.py

@@ -10,10 +10,10 @@ from app.config import settings
 from app.internal import credentials
 from app.internal.logger import logger
 
-MAX_RECORDING_SECONDS = 600   # safety cap; drop call if it runs this long
+MAX_RECORDING_SECONDS = 600  # safety cap; drop call if it runs this long
-PRE_BUFFER_SECONDS    = 1.0   # seconds of audio to include before call_start
+PRE_BUFFER_SECONDS = 1.0  # seconds of audio to include before call_start
-RING_BUFFER_SECONDS   = 60    # how much history to keep when no call is active
+RING_BUFFER_SECONDS = 60  # how much history to keep when no call is active
-READ_CHUNK_BYTES      = 4096  # bytes per httpx read
+READ_CHUNK_BYTES = 4096  # bytes per httpx read
 
 
 class CallRecorder:
@@ -119,9 +119,9 @@ class CallRecorder:
         if not self._call_id:
             return None
 
-        call_id        = self._call_id
+        call_id = self._call_id
-        call_start     = self._call_start_mono
+        call_start = self._call_start_mono
-        self._call_id  = None
+        self._call_id = None
         self._call_start_mono = None
 
         # Slice: everything from (call_start - pre_buffer) to now
@@ -180,8 +180,8 @@ class CallRecorder:
             return None
 
         upload_url = f"{settings.c2_url}/upload"
-        api_key    = credentials.get_api_key()
+        api_key = credentials.get_api_key()
-        headers    = {"Authorization": f"Bearer {api_key}"} if api_key else {}
+        headers = {"Authorization": f"Bearer {api_key}"} if api_key else {}
 
         form: dict = {"call_id": call_id, "node_id": settings.node_id}
         if talkgroup_id is not None:

drb-edge-node/app/internal/config_manager.py

@@ -1,6 +1,5 @@
 import json
 from pathlib import Path
-from typing import Optional
 from app.config import settings
 from app.models import NodeConfig, SystemConfig
 from app.internal.logger import logger

drb-edge-node/app/internal/discord_radio.py

@@ -6,7 +6,7 @@ from app.internal.logger import logger
 
 BOT_READY_TIMEOUT = 15   # seconds to wait for Discord bot to become ready
 WATCHDOG_INTERVAL = 30   # seconds between voice-connection health checks
-REJOIN_DELAY      = 5    # seconds to wait before attempting a rejoin
+REJOIN_DELAY = 5  # seconds to wait before attempting a rejoin
 
 
 class RadioBot:
@@ -116,7 +116,8 @@ class RadioBot:
     def _on_stream_end(self, error):
         if error:
             logger.error(f"Stream ended with error: {error}")
-        if not (self._loop and self._voice_client and self._voice_client.is_connected() and not self._voice_client.is_playing()):
+        vc = self._voice_client
+        if not (self._loop and vc and vc.is_connected() and not vc.is_playing()):
             return
         if error:
             # Back off before retrying — prevents tight loop when PulseAudio is unavailable

drb-edge-node/app/internal/mqtt_manager.py

@@ -24,14 +24,14 @@ class MQTTManager:
         self.on_api_key: Optional[ApiKeyCallback] = None
 
         nid = settings.node_id
-        self._t_checkin   = f"nodes/{nid}/checkin"
+        self._t_checkin = f"nodes/{nid}/checkin"
-        self._t_status    = f"nodes/{nid}/status"
+        self._t_status = f"nodes/{nid}/status"
-        self._t_metadata  = f"nodes/{nid}/metadata"
+        self._t_metadata = f"nodes/{nid}/metadata"
-        self._t_commands    = f"nodes/{nid}/commands"
+        self._t_commands = f"nodes/{nid}/commands"
-        self._t_config      = f"nodes/{nid}/config"
+        self._t_config = f"nodes/{nid}/config"
-        self._t_api_key     = f"nodes/{nid}/api_key"
+        self._t_api_key = f"nodes/{nid}/api_key"
         self._t_key_request = f"nodes/{nid}/key_request"
-        self._t_discovery   = "nodes/discovery/request"
+        self._t_discovery = "nodes/discovery/request"
 
     def _build_client(self) -> mqtt.Client:
         client = mqtt.Client(
@@ -49,9 +49,9 @@ class MQTTManager:
         client.will_set(self._t_status, lwt, qos=1, retain=True)
 
         client.reconnect_delay_set(min_delay=2, max_delay=60)
-        client.on_connect    = self._on_connect
+        client.on_connect = self._on_connect
         client.on_disconnect = self._on_disconnect
-        client.on_message    = self._on_message
+        client.on_message = self._on_message
         return client
 
     def _on_connect(self, client, userdata, flags, reason_code, properties):

drb-edge-node/app/main.py

@@ -44,7 +44,10 @@ async def on_call_end(data: dict):
         else:
             logger.error(f"Audio upload failed for call {data['call_id']}. Verify C2_URL and Node API Key.")
     else:
-        logger.warning(f"No recording file generated for call {data['call_id']} — call may have been too short or Icecast unreachable.")
+        logger.warning(
+            f"No recording file generated for call {data['call_id']} "
+            "— call may have been too short or Icecast unreachable."
+        )
     await mqtt_manager.publish_metadata("call_end", data)
     await mqtt_manager.publish_status("online")
 

icecast/Dockerfile

@@ -1,3 +1,4 @@
+# Icecast streaming server
 FROM debian:bookworm-slim
 
 ENV DEBIAN_FRONTEND=noninteractive

op25-container/Dockerfile

@@ -1,4 +1,4 @@
-## OP25 Core Container
+# OP25 Core Container
 FROM python:slim-trixie
 
 # Set environment variables