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louking / tm-csv-connector

Time Machine - CSV Connector - creates CSV file from time machine input, for scoring software to read
Apache License 2.0
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could not open port exception #57

Open louking opened 4 months ago

louking commented 4 months ago

Need to recover from this in scanner client

This happens when dongle has been plugged in but scanner isn't awake when Connect issued. Need some kind of alert to wake up scanner.

2024-02-20 16:29:59,361 barcode-scanner INFO: barcode scanner async reader started with port COM5
Exception in thread Thread-14 (reader_thread):
Traceback (most recent call last):
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\threading.py", line 1016, in _bootstrap_inner
    self.run()
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\threading.py", line 953, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\lking\Documents\Lou's Software\projects\tm-csv-connector\tm-csv-connector\barcode-scanner-client\app.py", line 187, in reader_thread
    run(reader(port, logging_path))
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\asyncio\runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\asyncio\base_events.py", line 649, in run_until_complete
    return future.result()
  File "C:\Users\lking\Documents\Lou's Software\projects\tm-csv-connector\tm-csv-connector\barcode-scanner-client\app.py", line 157, in reader
    transport, protocol = await create_serial_connection(readloop, InputChunkProtocol, port)
  File "c:\Users\lking\Documents\Lou's Software\projects\tm-csv-connector\tm-csv-connector\.venv\lib\site-packages\serial_asyncio\__init__.py", line 448, in create_serial_connection
    serial_instance = serial.serial_for_url(*args, **kwargs)
  File "c:\Users\lking\Documents\Lou's Software\projects\tm-csv-connector\tm-csv-connector\.venv\lib\site-packages\serial\__init__.py", line 90, in serial_for_url
    instance.open()
  File "c:\Users\lking\Documents\Lou's Software\projects\tm-csv-connector\tm-csv-connector\.venv\lib\site-packages\serial\serialwin32.py", line 64, in open
    raise SerialException("could not open port {!r}: {!r}".format(self.portstr, ctypes.WinError()))
serial.serialutil.SerialException: could not open port 'COM5': FileNotFoundError(2, 'The system cannot find the file specified.', None, 2)