portend_check_port_status_and_wait_for_state.py

1import portend
2
3# Check if a port is occupied
4try:
5    portend.occupied('localhost', 80)
6    print("Port 80 is occupied")
7except Exception:
8    print("Port 80 is free")
9
10# Check if a port is free
11try:
12    portend.free('localhost', 80)
13    print("Port 80 is free")
14except Exception:
15    print("Port 80 is occupied")
16
17# Wait for a port to be occupied (e.g. waiting for a server to start)
18# timeout is in seconds
19portend.wait_for_occupied('localhost', 80, timeout=5)
20
21# Wait for a port to be free (e.g. waiting for a server to shutdown)
22portend.wait_for_free('localhost', 80, timeout=5)