def _load_csv_data(self, p):
if os.path.isfile(p):
parser = CSVColumnParser()
parser.load(p)
records = [CSVRecord(**row) for row in parser.values()]
records.extend((CSVRecord() for i in range(50 - len(records))))
self.records = records
self._make_groups()
self.data_path = p
self.dirty = False
