getListContentForData function added to lists helper. It allows to manually set a list of entities which is to be displayed on the view. Previously, the only function was getListContent, but it retrived data on its own by a single query. The new function can be useful whenever it is impossible or very awkward to obtain entities in such a way (for example more sophisticated SQL statements). Additionally, the getListContent function is reconstructed so that it collects the data first and then calls getListContentForData.

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"""

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Utilities for XML generation/parsing.

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"""

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from xml.sax.saxutils import XMLGenerator

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class SimplerXMLGenerator(XMLGenerator):

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    def addQuickElement(self, name, contents=None, attrs=None):

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        "Convenience method for adding an element with no children"

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        if attrs is None: attrs = {}

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        self.startElement(name, attrs)

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        if contents is not None:

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            self.characters(contents)

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        self.endElement(name)