Detect active RDP connection in Python

rdpconn.py

from subprocess import check_output, STDOUT, CREATE_NO_WINDOW

def rdp_connected(self, ttl_hash=None):
    output = check_output('qwinsta', stderr=STDOUT,
                          creationflags=CREATE_NO_WINDOW).decode('latin1')
    for line in output.split('\r\n'):
        if 'rdp-tcp#' in line and 'Active' in line:
            log.info(line)
            return True
    return False