def _exec_nonblock(self, commandlist, shell=False, env=None):
"""
Utility method to launch a command with stdin/stdout file
descriptors configured in non-blocking mode.
"""
full_env = None
if env:
full_env = os.environ.copy()
full_env.update(env)
if self._stderr:
stderr_setup = PIPE
else:
stderr_setup = STDOUT
# Launch process in non-blocking mode
proc = Popen(commandlist,
bufsize=0,
stdin=PIPE,
stdout=PIPE,
stderr=stderr_setup,
shell=shell,
env=full_env)
if self._stderr:
self.streams.set_stream(self.worker.SNAME_STDERR, proc.stderr,
E_READ)
self.streams.set_stream(self.worker.SNAME_STDOUT, proc.stdout, E_READ)
self.streams.set_stream(self.worker.SNAME_STDIN,
proc.stdin,
E_WRITE,
retain=False)
return proc
def _exec_nonblock(self, commandlist, shell=False, env=None):
"""
Utility method to launch a command with stdin/stdout file
descriptors configured in non-blocking mode.
"""
full_env = None
if env:
full_env = os.environ.copy()
full_env.update(env)
if self._stderr:
stderr_setup = PIPE
else:
stderr_setup = STDOUT
# Launch process in non-blocking mode
proc = Popen(commandlist,
bufsize=0,
stdin=PIPE,
stdout=PIPE,
stderr=stderr_setup,
shell=shell,
env=full_env)
if self._stderr:
self.fd_error = proc.stderr
self.fd_reader = proc.stdout
self.fd_writer = proc.stdin
return proc