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Use __slots__ throughout instead of __dict__, to reduce the memory usage.

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Martin v. Löwis 2012-02-19 20:25:12 +01:00
parent 32ac92cd4a
commit 14aa280de2
2 changed files with 114 additions and 141 deletions
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39
Lib/xml/dom/expatbuilder.py
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@ -283,27 +283,23 @@ class ExpatBuilder:
elif childNodes and childNodes[-1].nodeType == TEXT_NODE:
node = childNodes[-1]
value = node.data + data
d = node.__dict__
d['data'] = d['nodeValue'] = value
node.data = value
return
else:
node = minidom.Text()
d = node.__dict__
d['data'] = d['nodeValue'] = data
d['ownerDocument'] = self.document
node.data = data
node.ownerDocument = self.document
_append_child(self.curNode, node)
def character_data_handler(self, data):
childNodes = self.curNode.childNodes
if childNodes and childNodes[-1].nodeType == TEXT_NODE:
node = childNodes[-1]
d = node.__dict__
d['data'] = d['nodeValue'] = node.data + data
node.data = node.data + data
return
node = minidom.Text()
d = node.__dict__
d['data'] = d['nodeValue'] = node.data + data
d['ownerDocument'] = self.document
node.data = node.data + data
node.ownerDocument = self.document
_append_child(self.curNode, node)
def entity_decl_handler(self, entityName, is_parameter_entity, value,
@ -363,11 +359,8 @@ class ExpatBuilder:
a = minidom.Attr(attributes[i], EMPTY_NAMESPACE,
None, EMPTY_PREFIX)
value = attributes[i+1]
d = a.childNodes[0].__dict__
d['data'] = d['nodeValue'] = value
d = a.__dict__
d['value'] = d['nodeValue'] = value
d['ownerDocument'] = self.document
a.value = value
a.ownerDocument = self.document
_set_attribute_node(node, a)
if node is not self.document.documentElement:
@ -761,11 +754,8 @@ class Namespaces:
else:
a = minidom.Attr("xmlns", XMLNS_NAMESPACE,
"xmlns", EMPTY_PREFIX)
d = a.childNodes[0].__dict__
d['data'] = d['nodeValue'] = uri
d = a.__dict__
d['value'] = d['nodeValue'] = uri
d['ownerDocument'] = self.document
a.value = uri
a.ownerDocuemnt = self.document
_set_attribute_node(node, a)
del self._ns_ordered_prefixes[:]
@ -785,12 +775,9 @@ class Namespaces:
aname, EMPTY_PREFIX)
_attrs[aname] = a
_attrsNS[(EMPTY_NAMESPACE, aname)] = a
d = a.childNodes[0].__dict__
d['data'] = d['nodeValue'] = value
d = a.__dict__
d['ownerDocument'] = self.document
d['value'] = d['nodeValue'] = value
d['ownerElement'] = node
a.ownerDocument = self.document
a.value = value
a.ownerElement = node
if __debug__:
# This only adds some asserts to the original