find missing natcomm facebook members

missing.py

#!/usr/bin/env python
import codecs
import json
import urllib2

tcomm_id   = '105089836262253'
natcomm_id = '134083046643371'
# Get token from 
#   https://developers.facebook.com/tools/explorer
# or create a fb app (https://developers.facebook.com/apps) 
# and use the app token (https://developers.facebook.com/tools/access_token/)
token = '245618128809868|3bhuIWbSfxJsjxVYXL49GpWCipY'

def get_members(facebook_id):
    '''Return a list of member names'''
    access_token = 'access_token='+token
    address = 'https://graph.facebook.com/' + facebook_id + '/members?'+access_token
    data = json.load(urllib2.urlopen(address))
    return [member_dict['name'] for member_dict in data["data"]]
    
def write_members(members, filename, header):
    '''Write list of members to a text file in utf-8 format'''
    with codecs.open(filename, mode='w', encoding='utf-8') as f:
        f.write(header.format(num=len(members)))
        for name in sorted(members):
            f.write(name + '\n')

# Taiko Community member list
tc = set(get_members(tcomm_id))
# NA Taiko Community member list
na = set(get_members(natcomm_id))

# Members in NATComm but not in TC
missing = na - tc
write_members(missing, "missing.txt", "missing {num} members from the natcomm group:\n")

# Members in TC but not in NATComm
added = tc - na
write_members(added, "added.txt", "added {num} members who weren't in the natcomm group:\n")

# Members in both TC and NATComm
both = tc & na
write_members(both, "both.txt", "found {num} members in both the natcomm group and the tc group:\n")

# For web page
#print "Content-type: text/plain\n"
# Print some stats
print "NATComm:  {num} members".format(num=len(na))
print "TaikoCom: {num} members".format(num=len(tc))
print "{num} unique members".format(num=len(tc|na))
print "{num} NATComm members NOT in TaikoComm".format(num=len(missing))
print "{num} TaikoComm members NOT in NATComm".format(num=len(added))
print "{num} members in both NATComm and TaikoComm".format(num=len(both))