profiles.py 文件源码

def _add_date_triple(self, subject, predicate, value, _type=Literal):
        '''
        Adds a new triple with a date object

        Dates are parsed using dateutil, and if the date obtained is correct,
        added to the graph as an XSD.dateTime value.

        If there are parsing errors, the literal string value is added.
        '''
        if not value:
            return
        try:
            default_datetime = datetime.datetime(1, 1, 1, 0, 0, 0)
            _date = parse_date(value, default=default_datetime)

            self.g.add((subject, predicate, _type(_date.isoformat(),
                                                  datatype=XSD.dateTime)))
        except ValueError:
            self.g.add((subject, predicate, _type(value)))