Handle BLE connect TimeoutError and bump to 0.1.11

fichero_printer/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.1.11
+
+- Fixed unhandled BLE connect timeout (`asyncio.TimeoutError`) that previously caused HTTP 500 responses.
+
 ## 0.1.10
 
 - Added automatic BLE reconnect retry with backoff for transient timeout errors (`br-connection-timeout`).

fichero_printer/config.yaml

@@ -1,5 +1,5 @@
 name: "Fichero Printer"
-version: "0.1.10"
+version: "0.1.11"
 slug: "fichero_printer"
 description: "REST API for the Fichero D11s (AiYin) thermal label printer over Bluetooth"
 url: "https://git.leuschner.dev/Tobias/Fichero"

fichero_printer/fichero/printer.py

@@ -419,6 +419,12 @@ async def connect(
                     await pc.start()
                     yield pc
                     return
+            except asyncio.TimeoutError as exc:
+                last_exc = exc
+                if attempt < BLE_CONNECT_RETRIES:
+                    await asyncio.sleep(BLE_CONNECT_BACKOFF * attempt)
+                    continue
+                raise PrinterError(f"BLE connection timed out: {exc}") from exc
             except BleakDBusError as exc:
                 msg = str(exc).lower()
                 if "br-connection-not-supported" in msg: