Extracting error-count contained specified string from Nelo log

gistfile1.py

#!/bin/python

import csv
import sys
import operator

filepath = sys.argv[1]
patterns = sys.argv[2].split(";")
matched_count = 0
total_count = 0
count = {}

for p in patterns:
  count.update({p:0})

with open (filepath) as csvfile:
  reader = csv.reader(csvfile, delimiter=',', quotechar='|')
  for r in reader:
    if r[1].isdigit():
      total_count = total_count + int(r[1])
    for i, p in enumerate(patterns):
      if p in r[2]:
        count[p] = count[p] + int(r[1])
        matched_count = matched_count + int(r[1])

count = sorted(count.iteritems(), key=operator.itemgetter(1))
count.reverse()

for r in count:
  print "%s : %d" % (r[0], r[1])
print "Other : %d" % (total_count - matched_count)
print "$$$ TOTAL : %d" % (total_count)

$ ./count.py "2012-10-01~07_APIError.csv" "change residence;NullPointer;slow query;Facebook"
slow query : 12389
NullPointer : 807
Facebook : 785
change residence : 564
Other : 242
$$$ TOTAL : 14787