hosts/generate-hosts.py

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Python
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2015-11-21 13:19:03 -05:00
#!/usr/bin/env python
import sys
import socket
import re
import dns.resolver
exp = re.compile('([^\.]+)')
if __name__ == '__main__':
for host in sys.stdin:
host = host.replace('\n', '')
if host == "" or host[0] == "#":
print(host)
continue
if host[0] == '!':
print(host[1:])
continue
try:
res = dns.resolver.query(host)
ip = socket.gethostbyname(str(res.qname))
print("{0}\t{1} {2}".format(ip, str(res.qname)[:-1], exp.match(host).group(0)))
except:
sys.stderr.write('Failed to get IP for: {0}\n'.format(host))