def etree(self):
        """Returns a lxml object of the response's content that can be selected by xpath"""
        if not hasattr(self, '_elements'):
            try:
                parser = lxml.html.HTMLParser(encoding=self.encoding)
                self._elements = lxml.html.fromstring(self.content, parser=parser)
            except LookupError:
                # lxml would raise LookupError when encoding not supported
                # try fromstring without encoding instead.
                # on windows, unicode is not availabe as encoding for lxml
                self._elements = lxml.html.fromstring(self.content)
        if isinstance(self._elements, lxml.etree._ElementTree):
            self._elements = self._elements.getroot()
        return self._elements
def etree ( self ) : if not hasattr ( self , '_elements' ) : try : parser = lxml . html . HTMLParser ( encoding = self . encoding ) self . _elements = lxml . html . fromstring ( self . content , parser = parser ) except LookupError : self . _elements = lxml . html . fromstring ( self . content ) if isinstance ( self . _elements , lxml . etree . _ElementTree ) : self . _elements = self . _elements . getroot ( ) return self . _elements
Returns a lxml object of the response's content that can be selected by xpath