Render github issue with link

md_github_issue_link.py

#!/usr/bin/env python

import optparse
import sys
import re

class WrongNumberOfArgumentsException(Exception):
  pass

def log(msg):
  if not verbose:
    return

  print msg

def DoMain(argv):
  parser = optparse.OptionParser()
  usage = 'Usage: %prog <input_file>'
  parser.set_usage(usage)
  options, arglist = parser.parse_args(argv)

  if len(arglist) == 0:
    raise WrongNumberOfArgumentsException('<input_file> required.')

  regex = re.compile(r'([^\[])#([0-9]+)([^\]])')
  f = open(arglist[0], 'r+')
  lines = f.readlines()
  f.seek(0)
  for line in lines:
    m = regex.search(line)
    if m:
        line = regex.sub(r'\1[#\2](%s\2)\3' % "../../issues/", line)

    f.write(line)

  f.close()

def main(argv):
  try:
    result = DoMain(argv[1:])
  except WrongNumberOfArgumentsException, e:
    print >>sys.stderr, e
    return 1
  if result:
    print result
  return 0

if __name__ == '__main__':
  sys.exit(main(sys.argv))