def Popen23(*args, **kwargs): # pylint: disable=invalid-name
if PY3:
yield Popen(*args, **kwargs)
return
else:
popen2 = Popen(*args, **kwargs)
try:
yield popen2
finally:
# From Lib/subprocess.py Popen.__exit__:
if popen2.stdout:
popen2.stdout.close()
if popen2.stderr:
popen2.stderr.close()
try: # Flushing a BufferedWriter may raise an error
if popen2.stdin:
popen2.stdin.close()
except KeyboardInterrupt:
# https://bugs.python.org/issue25942
# In the case of a KeyboardInterrupt we assume the SIGINT
# was also already sent to our child processes. We can't
# block indefinitely as that is not user friendly.
# If we have not already waited a brief amount of time in
# an interrupted .wait() or .communicate() call, do so here
# for consistency.
# pylint: disable=protected-access
if popen2._sigint_wait_secs > 0:
try:
# pylint: disable=no-member
popen2._wait(timeout=popen2._sigint_wait_secs)
except TimeoutExpired:
pass
popen2._sigint_wait_secs = 0 # Note that this's been done.
# pylint: disable=lost-exception
return # resume the KeyboardInterrupt
finally:
# Wait for the process to terminate, to avoid zombies.
popen2.wait()
