import time
from pathlib import Path


flag_file = Path('/tmp/runtime')
status_file = Path('/tmp/runtime_status')
assert not flag_file.exists()

print(f'Started - touch {flag_file} when ready')
print(f'Status in {status_file}')
status_file.write_text('running')

while not flag_file.exists():
    time.sleep(2)

import email.parser
print('DONE')
status_file.write_text('PASS')