bootle static file merge

static.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os

from bottle import Bottle, debug, get, static_file, run

@get("/<filetype>/<filename:path>")
def static(filetype,filename):
	merged_file = "./cache/" + filename
	if not os.path.exists(merged_file):
		file_list = get_filenames(filename, filetype)

		merge(filename, file_list)

	return static_file(merged_file, root="./")

def merge(filename, file_list):
	try:
		files = [open("./static/" + item) for item in file_list]
	except IOError, e:
		# file not exists
		return

	merged_path = "./cache/" + filename;
	merged = open(merged_path, "w+")
	
	for item in files:
		merged.write("========== " + item.name + " ===========")
		merged.writelines(item)
		merged.write("\n\n\n\n")
		item.close()

	merged.close()

def get_filenames(filename, filetype):
	'''
		filename example:
		css/reset,global,lib~jqeury.ui.css
	'''
	filename = filename.replace(filetype + "/", "").replace("." + filetype, "")
	return ["%s/%s.%s" % (filetype, single.replace("~", "/"), filetype) for single in filename.split(",")]

debug(True)
run()