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Patch 1463026: Support default namespace in XMLGenerator.

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Fixes #847665. Will backport.
This commit is contained in:
Martin v. Löwis 2007-02-12 12:21:10 +00:00
parent a69aa327aa
commit 2bad58f5a4
3 changed files with 59 additions and 17 deletions
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35
Lib/xml/sax/saxutils.py
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@ -100,6 +100,17 @@ class XMLGenerator(handler.ContentHandler):
else:
self._out.write(text.encode(self._encoding, _error_handling))
def _qname(self, name):
"""Builds a qualified name from a (ns_url, localname) pair"""
if name[0]:
# The name is in a non-empty namespace
prefix = self._current_context[name[0]]
if prefix:
# If it is not the default namespace, prepend the prefix
return prefix + ":" + name[1]
# Return the unqualified name
return name[1]
# ContentHandler methods
def startDocument(self):
@ -125,29 +136,21 @@ class XMLGenerator(handler.ContentHandler):
self._write('</%s>' % name)
def startElementNS(self, name, qname, attrs):
if name[0] is None:
# if the name was not namespace-scoped, use the unqualified part
name = name[1]
else:
# else try to restore the original prefix from the namespace
name = self._current_context[name[0]] + ":" + name[1]
self._write('<' + name)
self._write('<' + self._qname(name))
for pair in self._undeclared_ns_maps:
self._write(' xmlns:%s="%s"' % pair)
for prefix, uri in self._undeclared_ns_maps:
if prefix:
self._out.write(' xmlns:%s="%s"' % (prefix, uri))
else:
self._out.write(' xmlns="%s"' % uri)
self._undeclared_ns_maps = []
for (name, value) in attrs.items():
name = self._current_context[name[0]] + ":" + name[1]
self._write(' %s=%s' % (name, quoteattr(value)))
self._write(' %s=%s' % (self._qname(name), quoteattr(value)))
self._write('>')
def endElementNS(self, name, qname):
if name[0] is None:
name = name[1]
else:
name = self._current_context[name[0]] + ":" + name[1]
self._write('</%s>' % name)
self._write('</%s>' % self._qname(name))
def characters(self, content):
self._write(escape(content))