"""
The test shows race condition when executed Python script
is removed right after the Python started, so that Python
is unable to read it.
"""

import os
import sys
import tempfile

print(__doc__)


longscript = """\
import time

for x in range(5):
  print(x)
  time.sleep(1)
"""
(fd, abspath) = tempfile.mkstemp('.subprocess.py')
os.write(fd, longscript)
os.close(fd)

python = sys.executable
cmd = [python, abspath]



from subprocess import Popen, PIPE
# this returns immediately leaving child process
# to be executed in background
p = Popen(cmd)

os.remove(abspath)