Python: Howto launch a full process not a child process and retrieve the PID

Question

I would like:

1. Launch a new process (myexe.exe arg1) from my process (myexe.exe arg0)
2. Retrieve the PID of this new process (os windows)
3. when I

Answer 1

So if I understand you right the code should go like this:

from subprocess import Popen, PIPE
script = "C:\myexe.exe"
param = "-help"
DETACHED_PROCESS = 0x00000008
CREATE_NEW_PROCESS_GROUP = 0x00000200
pid = Popen([script, param], shell=True, stdin=PIPE, stdout=PIPE, stderr=PIPE,
            creationflags=DETACHED_PROCESS | CREATE_NEW_PROCESS_GROUP)

At least I tried this one and worked for me.