def _serialize_xml(write, elem, qnames, namespaces):
tag = elem.tag
text = elem.text
if tag is etree.Comment:
write("<!--%s-->" % text)
elif tag is etree.ProcessingInstruction:
write("<?%s?>" % text)
else:
tag = qnames[tag]
if tag is None:
if text:
write(etree._escape_cdata(text))
for e in elem:
etree._serialize_xml(write, e, qnames, None)
else:
write("<" + tag)
items = list(elem.items())
if items or namespaces:
if namespaces:
for v, k in sorted(
namespaces.items(),
key=lambda x: x[1]): # sort on prefix
if k:
k = ":" + k
write(" xmlns%s=\"%s\"" %
(k, etree._escape_attrib(v)))
for k, v in list(items): # no !!!! lexical order
if isinstance(k, etree.QName):
k = k.text
if isinstance(v, etree.QName):
v = qnames[v.text]
else:
v = etree._escape_attrib(v)
write(" %s=\"%s\"" % (qnames[k], v))
if text or len(elem):
write(">")
if text:
write(etree._escape_cdata(text))
for e in elem:
etree._serialize_xml(write, e, qnames, None)
write("</" + tag + ">")
else:
write(" />")
if elem.tail:
write(etree._escape_cdata(elem.tail))
