# -*- coding: utf-8 -*-

#python

import urllib

import datetime

import re

from random import randint

#django

from django.http import HttpResponseRedirect

def scipycon_quote(string, encoding="utf-8"):

    """Encodes string to encoding before quoting.

    """

    return urllib.quote(string.encode(encoding))

# from LFS

def set_message_cookie(url, msg):

    """Creates response object with given url and adds message cookie with passed

    message.

    """

    # We just keep the message two seconds.

    max_age = 2

    expires = datetime.datetime.strftime(

        datetime.datetime.utcnow() +

        datetime.timedelta(seconds=max_age), "%a, %d-%b-%Y %H:%M:%S GMT")

    response = HttpResponseRedirect(url)

    response.set_cookie("message", scipycon_quote(msg), max_age=max_age, expires=expires)

    return response

# from django-snippets

def slugify(inStr):

    removelist = ["a", "an", "as", "at", "before", "but", "by", "for","from","is", "in", "into", "like", "of", "off", "on", "onto","per","since", "than", "the", "this", "that", "to", "up", "via","with"];

    for a in removelist:

        aslug = re.sub(r'\b'+a+r'\b','',inStr)

    aslug = re.sub('[^\w\s-]', '', aslug).strip().lower()

    aslug = re.sub('\s+', '-', aslug)

    return len(aslug) > 50 and '%s-%d' % (aslug[:43], randint(100000,999999)) or aslug