StackOverflow2013

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PO
primarykey
Id
5203705
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
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0
CommunityOwnedDate
CreationDate
2011-03-05T12:06:17.293
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0
LastActivityDate
2011-03-05T12:06:17.293
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0
OwnerUserId
235362
ParentId
3846036
PostTypeId
2
Score
0
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0
LastEditorDisplayName
text
Body
<p>The most efficient way to use SAX or similar parser. For instance Python with expat that gets distributed with Python:</p> <pre><code>#------------------------------------------------------------------------------- # Author: nad2000 AT google DOT com # # Saple demonstrating how to trasform: # # <doc> # <a1>11111</a1> # <b1>22222</b1> # <c1>33333</c1> # </doc> # # into: # # <doc2> # <f1>11111</f1> # <f2>33333</f2> # </doc2> #------------------------------------------------------------------------------- #!/usr/bin/env python from xml.parsers import expat class DocParser: def __init__(self): self._parser = expat.ParserCreate() self._parser.StartElementHandler = self.start self._parser.EndElementHandler = self.end self._parser.CharacterDataHandler = self.data def feedFile(self, fileName): file= open( fileName, mode='rb') self._parser.ParseFile( file) file.close() def close(self): del self._parser # get rid of circular references def start(self, tag, attrs): if tag == 'doc': print ('<?xml version="1.0" encoding="UTF-8"?>') print ("<doc2>") def end(self, tag): if tag == 'a1': print ("\t<f1>%s</f1>" % self._data) elif tag == 'c1': print ("\t<f2>%s</f2>" % self._data) elif tag == 'doc': print ("</doc2>") def data(self, data): self._data = data def main(): p = DocParser() p.feedFile( "sample.xml") p.close() pass if __name__ == '__main__': main() </code></pre>
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1. POTransform large XML document without programming
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  PTQuestion
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1. PTAnswer
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UserOwnerUserId
1. USnad2000
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