a while ago I asked in this mailing list how to delete the accounts of 'fake 
users' or spam accounts in a public reviewboard instance.

Today I managed to do it via a little script that can be run from a python 
console. Maybe it can help some of you to do the same. The script walks over 
all users in the database and deletes all users who have never done anything 
else in reviewboard but registering and visiting a review.

So every user who is associated to at least one ReviewComment or some other 
meaningful object in the database is spared.

Here is the script:

# -*- coding: utf-8 -*-

from django.contrib.auth.models import User
from django.db.models.query_utils import CollectedObjects

spam = 0
ham = 0

for user in User.objects.all():
  print "User: %s ..." % user,
  isactive = False
  seen_objs = None
  seen_objs = CollectedObjects(seen_objs)
  for obj in seen_objs.keys():
    if (obj.__name__ != "Profile") and (obj.__name__ != "ReviewRequestVisit"):
      isactive = True
  if (isactive):
    print "Active (found associated %s)" % obj
    ham = ham + 1
    spam = spam + 1
    print "DELETED"

print "Total HAM  %d" % ham
print "Total SPAM %d" % spam

You can simply run it by typing 

rb-site manage /path/to/site shell

and then pasting the script above. (make sure you have a backup of you 



PS: note that I commented the line that actually does the deletion, so you can 
do a dry run  before

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