scrapers.py 文件源码

def parse_values(self, entries):
        """Retrieve the values from the data set."""
        values = []
        for entry in entries:
            if not entry:
                continue

            date, daily, _, _ = entry
            try:
                separated = date.split('-', 2)
                intified = map(int, separated)
                co2_date = datetime.date(*intified)
            except (ValueError, TypeError):
                continue

            try:
                co2_ppm = Decimal(daily)
            except InvalidOperation:
                continue

            values.append((co2_date, co2_ppm))

        return values