from socket import socket, gethostbyname, AF_INET, SOCK_STREAM
import time
'''
Function to check the availability of computer by port.
host - IP-address or computer name
port - port number
count - number of times to repeat the request on port
timeout - amount of seconds between echo requets on port
'''
def is_port(host="127.0.0.1", port=1433, count=1, timeout=1):
checked = False
for i in range(count):
ip = gethostbyname(host)
sock = socket(AF_INET, SOCK_STREAM)
result = sock.connect_ex((ip, port))
if result == 0:
print("*** port is available! ***")
checked = True
break
sock.close()
time.sleep(timeout)
if not checked:
print("*** port is NOT available! ***")
return checked
How to check port access by Python
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SoulUran 