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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def read_exports(self):
 """ Read exports data from a file in .ini format. :return: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. """

        result = {}
        r = self.get_distinfo_resource(EXPORTS_FILENAME)
        if r:
            with contextlib.closing(r.as_stream()) as stream:
                result = read_exports(stream)
        return result