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Updated monkey patch
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| """Dynamically patch :mod:`xml.dom.minidom`'s attribute value escaping. | |
| :meth:`xml.dom.minidom.Element.setAttribute` doesn't preform some | |
| character escaping (see the `Python bug`_ and `XML specs`_). | |
| Importing this module applies the suggested patch dynamically. | |
| .. _Python bug: http://bugs.python.org/issue5752 | |
| .. _XML specs: | |
| http://www.w3.org/TR/2000/WD-xml-c14n-20000119.html#charescaping | |
| """ | |
| from xml.dom import Node | |
| import xml.dom.minidom | |
| def _write_data(writer, data, isAttrib=False): | |
| "Writes datachars to writer." | |
| if data: | |
| if isAttrib: | |
| data = data.replace("\r", "
").replace("\n", "
") | |
| data = data.replace("\t", "	") | |
| else: # Otherwise we're overwriting the corrections above | |
| data = data.replace("&", "&").replace("<", "<"). \ | |
| replace("\"", """).replace(">", ">") | |
| writer.write(data) | |
| xml.dom.minidom._write_data = _write_data | |
| def writexml(self, writer, indent="", addindent="", newl=""): | |
| """Write an XML element to a file-like object | |
| Write the element to the writer object that must provide | |
| a write method (e.g. a file or StringIO object). | |
| """ | |
| # indent = current indentation | |
| # addindent = indentation to add to higher levels | |
| # newl = newline string | |
| writer.write(indent+"<" + self.tagName) | |
| attrs = self._get_attributes() | |
| for a_name in attrs.keys(): | |
| writer.write(" %s=\"" % a_name) | |
| _write_data(writer, attrs[a_name].value, isAttrib=True) | |
| writer.write("\"") | |
| if self.childNodes: | |
| writer.write(">") | |
| if (len(self.childNodes) == 1 and | |
| self.childNodes[0].nodeType in ( | |
| Node.TEXT_NODE, Node.CDATA_SECTION_NODE)): | |
| self.childNodes[0].writexml(writer, '', '', '') | |
| else: | |
| writer.write(newl) | |
| for node in self.childNodes: | |
| node.writexml(writer, indent+addindent, addindent, newl) | |
| writer.write(indent) | |
| writer.write("</%s>%s" % (self.tagName, newl)) | |
| else: | |
| writer.write("/>%s"%(newl)) | |
| xml.dom.minidom.Element.writexml = writexml |
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