bpo-37534: Allow adding Standalone Document Declaration when generating XML documents (GH-14912)
diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index 464420b..1083b48 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -43,10 +43,11 @@
def __bool__(self):
return True
- def toxml(self, encoding=None):
- return self.toprettyxml("", "", encoding)
+ def toxml(self, encoding=None, standalone=None):
+ return self.toprettyxml("", "", encoding, standalone)
- def toprettyxml(self, indent="\t", newl="\n", encoding=None):
+ def toprettyxml(self, indent="\t", newl="\n", encoding=None,
+ standalone=None):
if encoding is None:
writer = io.StringIO()
else:
@@ -56,7 +57,7 @@
newline='\n')
if self.nodeType == Node.DOCUMENT_NODE:
# Can pass encoding only to document, to put it into XML header
- self.writexml(writer, "", indent, newl, encoding)
+ self.writexml(writer, "", indent, newl, encoding, standalone)
else:
self.writexml(writer, "", indent, newl)
if encoding is None:
@@ -1787,12 +1788,17 @@
raise xml.dom.NotSupportedErr("cannot import document type nodes")
return _clone_node(node, deep, self)
- def writexml(self, writer, indent="", addindent="", newl="", encoding=None):
- if encoding is None:
- writer.write('<?xml version="1.0" ?>'+newl)
- else:
- writer.write('<?xml version="1.0" encoding="%s"?>%s' % (
- encoding, newl))
+ def writexml(self, writer, indent="", addindent="", newl="", encoding=None,
+ standalone=None):
+ declarations = []
+
+ if encoding:
+ declarations.append(f'encoding="{encoding}"')
+ if standalone is not None:
+ declarations.append(f'standalone="{"yes" if standalone else "no"}"')
+
+ writer.write(f'<?xml version="1.0" {" ".join(declarations)}?>{newl}')
+
for node in self.childNodes:
node.writexml(writer, indent, addindent, newl)