Get the working dir of current rosbag process

get_rosbag_working_dir.py

import subprocess
def get_process_cwd(process_name):
    try:
        pid = subprocess.check_output(['pgrep', '-f', process_name]).decode('utf-8').strip().split('\n')[0]
        cwd = subprocess.check_output(['pwdx', pid]).decode('utf-8').strip().split(" ")[-1]
        return cwd
    except subprocess.CalledProcessError:
        return None
      

dataset_rosbag_cwd = get_process_cwd(ROSBAG_PROCESS_NAME)