import urlparse
from urlparse import uses_netloc

### The function, that is patched
def urlunsplit((scheme, netloc, url, query, fragment)):
    if not ( scheme == 'file' and not netloc):
        if (netloc or (scheme and scheme in uses_netloc and url[:2] != '//')):
            if url and url[:1] != '/': url = '/' + url
            url = '//' + (netloc or '') + url
    if scheme:
        url = scheme + ':' + url
    if query:
        url = url + '?' + query
    if fragment:
        url = url + '#' + fragment
    return url

if __name__ == "__main__":
    example='../../../../work/albert.mietus.nl/index.html'
    val=urlparse.urlsplit(example, 'file')
    url=urlunsplit(val)
    print """The relative file: '%s' is urlsplit, with default scheme=file, and urlunsplit again
     into: '%s'.
     When that url contains '//' is it absolute and so wrong !!
     Note: urllib{,2}.urlopen can open the orginal but not the false copy""" % (
     example, url)
    val2=urlparse.urlsplit(url)
    print "When the result is urlsplit again, the path parts should be the same"
    print "example-path: '%s'\n     becomes: '%s'" % (val.path, val2.path)