Analysis of "super moderators" on reddit.com. Requires praw library and a "subreddits.txt" file populated with the names of subreddits the user wants to investigate moderators from.

scrape_mods.py

import praw, csv
from collections import defaultdict, Counter

# your userlogin information here. If you don't provide, the script will prompt
# you for it at the terminal, so no big deal either way. Just a convenience.
USERNAME = ''
PASSWORD= ''

useragent='getting moderators graph by /u/shaggorama'
r=praw.Reddit(useragent)
r.login(USERNAME,PASSWORD)

with open('subreddits.txt','r') as subreddits:
    top_subreddits=subreddits.read().split()

# build the moderator-moderator edge list
edges = defaultdict(Counter)
for sub in top_subreddits:
    print sub
    mods=r.get_subreddit(sub).get_moderators()
    # You can remove automderator from your data colelction entirely, or remove the node
    # later on by modifying the output csv or from within your network analysis software.
    #mods = [user.name for user in mods]
    mods = [user.name for user in mods if user.name != 'AutoModerator']    
    for p in mods:
        for q in mods:
            #if p!=q: # we don't need this to be a directional graph...
            if p < q: # this will dedupe our edges, we just need to make sure our graph is interpreted as undirected. 
                edges[p][q]+=1

fname = "moderator_edges.csv"
#print to csv
with open(fname,'wb') as f:
    writer=csv.writer(f)
    writer.writerow(["source","target","weight", "type"]) # header row
    for m1, cntr in edges.iteritems():
        for m2, wt in cntr.iteritems():
            if wt > 1: # exclude edges that only share a single subreddit
                writer.writerow([m1,m2,wt, "undirected"])

# narrow in on biggest supermods clique
# This analysis is unnecessary manual
supermods = ['KennyLog-in', 'BritishEnglishPolice', 'maxwellhill', 'klyde', 'qgyh2']
for mod in supermods:
    #print mod
    for sub in top_subreddits:
        #print sub
        mods=r.get_subreddit(sub).get_moderators()
        mods = [user.name for user in mods if user.name != 'AutoModerator']
        if mod in mods:
            print mod, sub