Check lang file group of tags

gistfile1.txt

#! /usr/bin/env python

import json
import urllib2

# URL to extract activated pages from langchecker's json
filename = 'mozorg/plugincheck.lang'
api_url = 'http://l10n.mozilla-community.org/~pascalc/langchecker/?locale=all&website=0&json&file=' + filename

try:
    response = urllib2.urlopen(api_url)
    json_data = json.load(response)
    tag_groups = {}
    for locale in json_data[filename]:
        if json_data[filename][locale]['activated']:
            tags = json_data[filename][locale]['tags']
            group_name = '+'.join(tags)
            if group_name in tag_groups:
                tag_groups[group_name].append(locale)
            else:
                tag_groups[group_name] = [locale]

    for group in tag_groups:
        tag_groups[group].sort()
    print json.dumps(tag_groups, sort_keys=True, indent=4)
except Exception as e:
	print 'Error reading json file from ' + api_url
	print e