Fixed #7494 -- Fixed build_absolute_url() for some types of (uncommon) URLs.

import os

import re

from Cookie import SimpleCookie, CookieError

from pprint import pformat

from urllib import urlencode

RESERVED_CHARS="!*'();:@&=+$,/?%#[]"

absolute_http_url_re = re.compile(r"^https?://", re.I)

class Http404(Exception):

    pass

        """

        if not location:

            location = self.get_full_path()

        if not ':' in location:

        if not absolute_http_url_re.match(location):

            current_uri = '%s://%s%s' % (self.is_secure() and 'https' or 'http',

                                         self.get_host(), self.path)

            location = urljoin(current_uri, location)

>>> from django.http import parse_cookie

>>> parse_cookie('invalid:key=true')

{}

>>> request = HttpRequest()

>>> print request.build_absolute_uri(location="https://www.example.com/asdf")

https://www.example.com/asdf

>>> request.get_host = lambda: 'www.example.com'

>>> request.path = ''

>>> print request.build_absolute_uri(location="/path/with:colons")

http://www.example.com/path/with:colons

"""