Subprocess. More...

Public Member Functions
def	__init__
def	send_signal
def	terminate
Public Attributes
	pid
Private Member Functions
def	_preexec_fn
def	_run_in_thread
Private Attributes
	_env
	_external_preexec_fn
	_proc
	_shell
	_thread
Static Private Attributes
list	__slots__

Detailed Description

Subprocess.

  Use this if you want to attach a postexec function to popen (which
  is not supported by popen at all). It also defaults setting and
  terminating whole process groups (something we do quite often in ros).

Definition at line 21 of file popen.py.

Constructor & Destructor Documentation

def rocon_python_utils.system.popen.Popen.__init__	(	self,
		popen_args,
		shell = `False`,
		preexec_fn = `None`,
		postexec_fn = `None`,
		env = `None`
	)

  @param popen_args : list/tuple of usual popen args
  @type list/tuple

  @param shell : same as the shell argument passed to subprocess.Popen
  @type bool

  @param preexec_fn : usual popen pre-exec function
  @type method with no args

  @param postexec_fn : the callback which we support for postexec.
  @type method with no args

  :param env dict: a customised environment to run the process in.

Definition at line 37 of file popen.py.

Member Function Documentation

def rocon_python_utils.system.popen.Popen._preexec_fn ( self ) [private]

Definition at line 66 of file popen.py.

def rocon_python_utils.system.popen.Popen._run_in_thread	(	self,
		popen_args,
		preexec_fn,
		postexec_fn
	)	`[private]`

  Worker function for the thread, creates the subprocess itself.

Definition at line 79 of file popen.py.

def rocon_python_utils.system.popen.Popen.send_signal	(	self,
		sig
	)

Definition at line 61 of file popen.py.

def rocon_python_utils.system.popen.Popen.terminate ( self )

  @raise OSError if the process has already shut down.

Definition at line 71 of file popen.py.

Member Data Documentation

list rocon_python_utils::system::popen.Popen::__slots__ [static, private]

Initial value:

[
            'pid',
            '_proc',
            '_thread',
            '_external_preexec_fn',
            '_shell',
            '_env',
            'terminate'
        ]

Definition at line 27 of file popen.py.

rocon_python_utils::system::popen.Popen::_env [private]