farrokhi/dnsdiag
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code cleanup

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This commit is contained in:
Babak Farrokhi 2016-04-10 19:23:20 +04:30
parent b91962ab72
commit add9b1f782
Signed by: farrokhi
GPG Key ID: 6B267AD85D632E9A
1 changed files with 2 additions and 3 deletions
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5
dnsping.py
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@ -28,7 +28,6 @@
import getopt import getopt
import ipaddress import ipaddress
import os import os
import re
import signal import signal
import socket import socket
import sys import sys
@ -115,9 +114,9 @@ def main():
# check if we have a valid dns server address # check if we have a valid dns server address
try: try:
ipaddress.ip_address(dnsserver) ipaddress.ip_address(dnsserver)
except ValueError: # so it is not a valid IPv4 or IPv6 address, so try to resolve host name except ValueError: # so it is not a valid IPv4 or IPv6 address, so try to resolve host name
try: try:
dnsserver = socket.getaddrinfo(dnsserver, port = None)[1][4][0] dnsserver = socket.getaddrinfo(dnsserver, port=None)[1][4][0]
except OSError: except OSError:
print('Error: cannot resolve hostname:', dnsserver) print('Error: cannot resolve hostname:', dnsserver)
exit(1) exit(1)