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Viewing changes to ivle/worksheet/utils.py

Cache worksheet and exercise rST-generated XHTML in the DB, accelerating rendering by up to 2000%.

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ivle/worksheet/utils.py
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    exercises = []
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    # Turns the worksheet into an xml stream, and then finds all the 
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    # exercise nodes in the stream.
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    worksheetdata = genshi.XML(worksheet.get_xml())
 
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    worksheetdata = genshi.XML(worksheet.data_xhtml)
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    for kind, data, pos in worksheetdata:
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        if kind is genshi.core.START:
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            # Data is a tuple of tag name and a list of name->value tuples