Removing old .sprocket and preserve latest file when using Sprocket Integration on Ruby on Rails Web Apps

remove_old_sprocket.py

import os
import glob
from datetime import datetime


def get_youngest(list_of_file):
	
	list_of_ctime = []  
	for ctime in list_of_file: 
		list_of_ctime.append(ctime['ctime'])

	# Remove youngest sprock
	for file in list_of_file:
		if str(min(list_of_ctime)) == str(file['ctime']):
			list_of_file.remove(file)

	# Delete older sprockets
	for file in list_of_file: 
		os.remove(file['filename'])


list_of_file_attr = []
for file in glob.glob('/home/zoodev/current/public/assets/.sprockets-manifest-*'):
	file_dictionary = {}
	file_dictionary['filename'] = file
	file_dictionary['ctime'] = os.path.getctime(file)
	list_of_file_attr.append(file_dictionary)

get_youngest(list_of_file_attr)