[Python] Parsing IP address and port in python

Using python, I'd like to accomplish two things:

1. 
   Need to split an ipv6 address and port combination in the format [fec2::10]:80 to fec2::10 and 80.
   
   
2. 
   Given an IP address and port combination, I need to determine if the IP is a v4 or v6 address. Eg: 1.2.3.4:80 and [fec2::10]:80
   

Please suggest a way to do it.

Thanks!

Sample code:

#!/usr/bin/env python


def main():
server = "[fec1::1]:80"
if server.find("[", 0, 2) == -1:
print "IPv4"
ip, port = server.split(':')
else:
print "IPv6"
new_ip, port = server.rsplit(':', 1)
print new_ip
ip = new_ip.strip('[]')

print ip
print port

if __name__ == '__main__':
main()


This works for all cases except when the input is specified without a port. Eg: 10.78.49.50 and [fec2::10]

Any suggestions to address this?

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