descriptors sanity check

#!/usr/bin/env python

import json
import operator
import os

from stem.descriptor import parse_file
from stem.exit_policy import AddressType
from optparse import OptionParser
parser = OptionParser()
parser.add_option('-s', '--skip-new', dest='skip_new', 
                                    action='store_true', default=False)
(options, args) = parser.parse_args()

consensus_filepath = os.path.expandvars('$HOME/.tor/cached-consensus')
descriptors_filepath = os.path.expandvars('$HOME/.tor/cached-descriptors')
new_descriptors_filepath = os.path.expandvars('$HOME/.tor/cached-descriptors.new')

server_descriptors = {}
for descriptor in parse_file(descriptors_filepath, "server-descriptor 1.0"):
    server_descriptors[descriptor.fingerprint] = 1

if not options.skip_new:
    for descriptor in parse_file(new_descriptors_filepath, "server-descriptor 1.0"):
        if descriptor.fingerprint not in server_descriptors:
            server_descriptors[descriptor.fingerprint] = 2

missing = 0
in_new = 0
ok = 0
total = 0

for router in parse_file(consensus_filepath,
                         "network-status-consensus-3 1.0"):
    if router.fingerprint in server_descriptors:
        # OK
        if server_descriptors[router.fingerprint] == 2:
            print "Found in new: %s" % router.fingerprint
            in_new += 1
        ok += 1
    else:
        # Missing
        missing += 1
        print "Missing fingerprint: %s" % router.fingerprint
    total += 1

print ""
print "Missing: %d" % missing
if not options.skip_new:
    print "From_new: %d" % in_new
print "OK(Found): %d" % ok
print "Total: %d" % total