2.0 版新增。
xml.dom.pulldom allows building only selected portions of a Document Object Model representation of a document from SAX events.
警告
The xml.dom.pulldom module is not secure against maliciously constructed data. If you need to parse untrusted or unauthenticated data see XML vulnerabilities .
xml.sax.handler.ContentHandler implementation that ...
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xml.sax.handler.ContentHandler implementation that ...
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Default value for the bufsize 参数用于 parse() .
Changed in version 2.1: The value of this variable can be changed before calling parse() and the new value will take effect.
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