scount.py

# coding: utf-8

import sys
import os

class NullDevice:
	def write(self, s):
		pass

_stderr = sys.stderr
sys.stderr = NullDevice()
import cssutils
sys.stderr = _stderr

max_count = 4095

def main(args):
	if len(args) < 1 or not os.path.isfile(args[0]):
		return

	sheet = cssutils.parseFile(args[0], validate=False)
	count = 0
	for rule in sheet:
		if rule.type == rule.STYLE_RULE:
			count += len(rule.selectorList)

	print '%d selectors (max: %d)' % (count, max_count)
	if max_count < count:
		print '%d over' % (count - max_count)

if __name__ == '__main__':
	main(sys.argv[1:])