looping_wait_print.py

import time
barList = ["|","/","-","\\"]
barListIter = iter(barList)
ten_seconds_away = int(time.time()) + 10
while int(time.time()) < ten_seconds_away:
    remaining = ten_seconds_away - int(time.time())
    bar = next(barListIter, None)
    if not bar:
        barListIter = iter(barList)
        bar = next(barListIter)
    message=f"{bar} {remaining} seconds remaining".ljust(80)
    print(message, end='\r', flush=True)
    time.sleep(.25)

print(message, flush=True)
print("Job complete")

Related: https://gist.github.com/matthewpoer/65eff844150cc8b51537010ec12cad64