Script to get the process listening to a port number

get_process_by_port.py

import psutil

def get_process_by_port(port):
    for p in psutil.process_iter():
        for c in p.connections():
            if c.status == 'LISTEN' and c.laddr.port == port:
                return p
    return None

  
process_8080 = get_process_by_port(8080)
print("Pid", process_8080.pid)