#!/usr/bin/env python3
import time

from bg import Bg

def process(secs, preamble=None, epilogue=None):
    if preamble:
        print("PREAMBLE:", preamble)
    time.sleep(secs)
    if epilogue:
        print("EPILOGUE:", epilogue)
    return 3.1415

print("Starting test")
job = Bg(process, 6.0, preamble="Starting background job", epilogue="Finishing background process")
for i in range(3):
    if job.is_running():
        print("[%s] Job is still running" % i)
    time.sleep(0.5)
if job.is_running():
    print("You know what, I'll just wait")
    job.wait()
print("Seems like it's done!")
print("Result: %s" % job.result)