def _textual(self, node):
     rc1 = utils._process_text(self, node.text or '')
     for n in utils._child_get(node,self):
         txt_n = copy.deepcopy(n)
         for key in txt_n.attrib.keys():
             if key in ('rml_except', 'rml_loop', 'rml_tag'):
                 del txt_n.attrib[key]
         if not n.tag == 'bullet':
             txt_n.text = utils.xml2str(self._textual(n))
         txt_n.tail = n.tail and utils.xml2str(utils._process_text(self, n.tail.replace('\n',''))) or ''
         rc1 += etree.tostring(txt_n)
     return rc1

 def _textual(self, node):
     rc1 = utils._process_text(self, node.text or "")
     for n in utils._child_get(node, self):
         txt_n = copy.deepcopy(n)
         for key in txt_n.attrib.keys():
             if key in ("rml_except", "rml_loop", "rml_tag"):
                 del txt_n.attrib[key]
         if not n.tag == "bullet":
             if n.tag == "pageNumber":
                 txt_n.text = self.canvas and str(self.canvas.getPageNumber()) or ""
             else:
                 txt_n.text = utils.xml2str(self._textual(n))
         txt_n.tail = n.tail and utils.xml2str(utils._process_text(self, n.tail.replace("\n", ""))) or ""
         rc1 += etree.tostring(txt_n)
     return rc1

 def _drawString(self, node):
     v = utils.attr_get(node, ['x','y'])
     text=self._textual(node, **v)
     text = utils.xml2str(text)
     try:
         self.canvas.drawString(text=text, **v)
     except TypeError as e:
         _logger.error("Bad RML: <drawString> tag requires attributes 'x' and 'y'!")
         raise e

 def _drawRightString(self, node):
     v = utils.attr_get(node, ['x','y'])
     text=self._textual(node, **v)
     text = utils.xml2str(text)
     self.canvas.drawRightString(text=text, **v)

 def _drawCenteredString(self, node):
     v = utils.attr_get(node, ["x", "y"])
     text = self._textual(node, **v)
     text = utils.xml2str(text)
     self.canvas.drawCentredString(text=text, **v)