gistfile1.txt

#!/usr/bin/python

import json
import urllib2

url =  'https://github.com/mozilla/socorro/graphs/impact_data'
data = json.load(urllib2.urlopen(url))

attribs = {'n': 'username', 'a': 'additions', 'c': 'commits', 'd': 'deletions'}
results = {}

for n in data['authors']:
    entry = data['authors'][n]
    impact = entry['a'] + entry['d']
    results[impact] = {}

    for attrib in attribs:
        name = attribs[attrib]
        value = entry[attrib]
        if name == 'username':
            value = value.split('@')[0]
        results[impact][name] = value

keylist = results.keys()
keylist.sort(reverse=True)
for impact in keylist:
    print results[impact]['username']
    del results[impact]['username']
    print '\timpact(add+del):\t%s' % impact
    for r in results[impact]:
        print '\t%s:\t\t%s' % (r, results[impact][r])
    print '---'