#!/usr/bin/env python

# generate .mpc config

import sys, re

def parse_hostnames(hosts_file):
        """Read from stdin or a file given as the first command line argument
        and parse through a list of hosts that use the hostname convention
        typenum-site
        """

        constellation = {}
        types = {}


        for hostname in hosts_file:
                hostname = hostname.strip()
                host_site = hostname.split('-', 1)

                if len(host_site) != 2:
                        continue

                host, site = host_site
                type_num_pattern = re.compile(r"([A-Za-z_]+)([0-9]+)") 
                type_num = type_num_pattern.match(host)
                type, num = type_num.groups()

                #print site, type, num 

                types[type] = num
                constellation[site] = type 
                print constellation['chi2']

def main():
        """ Main execution """

        # Read from stdin or file given as first arg
        if len(sys.argv) == 1:
                parse_hostnames(sys.stdin.readlines())
        else:
                try:
                        hosts_file = open(sys.argv[1])
                        parse_hostnames(hosts_file)
                except IOError, e:
                        print "*** File Open error: ", e

if __name__ == '__main__':
        main()



Run it against a file like this:

tdist1-chi2
tdist2-chi2
tlue1-chi2
tlue2-chi2
tnm1-chi2
tnm2-chi2
tpe1-chi2
tpe2-chi2
tpe3-chi2
tpe4-chi2
tpe5-chi2
tpe6-chi2
tpe7-chi2
tpe8-chi2
ugrid1-chi2
ugrid10-chi2
ugrid11-chi2
ugrid12-chi2
ugrid2-chi2
ugrid3-chi2
ugrid4-chi2
ugrid5-chi2
ugrid6-chi2
ugrid7-chi2
ugrid8-chi2
ugrid9-chi2
uweb1-chi2
uweb10-chi2
uweb11-chi2
uweb12-chi2
uweb13-chi2
uweb14-chi2
uweb2-chi2
uweb3-chi2
uweb4-chi2
uweb5-chi2
uweb6-chi2
uweb7-chi2
uweb8-chi2
uweb9-chi2