css-script.py

import string
import sys
import time

#This is a list of the possible inconsistent cross-browser CSS properties, with each version contained in a tuple.
CSS_PROPERTIES = [
	('box-shadow','-moz-box-shadow','-webkit-box-shadow'),
	('border-radius','-moz-border-radius','-webkit-border-radius'),
	('transform','-webkit-transform','-moz-transform','-o-transform','-ms-transform'),
	('column-count','-webkit-column-count','-moz-column-count'),
	]

def cross_browser_css(filepath):
	f = open(filepath, 'r')                               #Open the non-cross-browser compatible file
	if filepath[-4:] != '.css':                           #Make sure it's .css!
		print "Not a valid css file."                     #Shame!
		time.sleep(3)
		return False
	backup_path = filepath[:-4]+'-xbrowser.css'           #Create the cross-browser file
	n = open(backup_path, 'w')
	for line in f:                                        #Line by line, we go through the css file
		words = line.split(':')                           #splitting the line at the colon
		if len(words) == 2:                               #ignoring lines that contain no colon
			css_element = words[0].lstrip()               #separating the css element on the left of the colon
			css_value = words[1]                          #from the value on the right of it
			for element in CSS_PROPERTIES:                #then checking against our properties list
				if css_element in element:                #to see if there's a match. If there is,
					for e in element:                     #we go through the tuple containing the variations
						n.write('   '+e+':'+css_value)    #and write out each one, with the given value
					break
			else:
				n.write(line.replace('\t','   '))         #If there was no match, we just re-write the line
		else:
			n.write(line.replace('\t','   '))             #And here we're just rewriting those lines without colons (or with more than one)

	f.close()                                             #Let's close those files up for good measure
	n.close()
	print "Done. Is that all?"
	time.sleep(10)
	
if __name__ == "__main__":                                
	if len(sys.argv) > 0:                                 #If we've taken a file as an argument,
		filepath = sys.argv[1]                            #we run our above method on that file
		cross_browser_css(filepath)
	else:
		print "No file, guy..."
		time.sleep(3)