Convert a Raspberry Pi (or Linux device) into a headless scanner station.
Write a callback function that should be called every time something is scanned.
Then, create a Listener object and pass it your callback function, like so:
from pi_scan import Listener
def your_callback(scanned_string: str):
print(f"You scanned --> {scanned_string}")
listener = Listener(callback=your_callback)
# Start the scanners. This method will never exit.
listener.listen()When something is scanned, a new thread is created running the passed callback; the only argument passed is the string that was scanned. A scan is determined to have happened when a separator character is encountered, which by default is either Enter or Tab. At that point, all the typed characters between the last separator and the just encountered separator are joined together and passed to the callback.