'Parse a HTML fragment into a well-formed tree fragment
container - name of the element we\'re setting the innerHTML property
if set to None, default to \'div\'
stream - a filelike object or string containing the HTML to be parsed
The optional encoding parameter must be a string that indicates
the encoding.  If specified, that encoding will be used,
regardless of any BOM or later declaration (such as in a meta
element)
scripting - treat noscript elements as if javascript was turned on'

def parseFragment(self, stream, *args, **kwargs):

    self._parse(stream, True, *args, **kwargs)
    return self.tree.getFragment()
