Пример #1
0
    def __init__(self, **values):
        self.start_date = values.pop('start_date', None)
        if self.start_date:
            self.start_date = convert_to_datetime(self.start_date)

        # Yank out all None valued fields
        for key, value in list(iteritems(values)):
            if value is None:
                del values[key]

        self.fields = []
        assign_defaults = False
        for field_name in self.FIELD_NAMES:
            if field_name in values:
                exprs = values.pop(field_name)
                is_default = False
                assign_defaults = not values
            elif assign_defaults:
                exprs = DEFAULT_VALUES[field_name]
                is_default = True
            else:
                exprs = '*'
                is_default = True

            field_class = self.FIELDS_MAP[field_name]
            field = field_class(field_name, exprs, is_default)
            self.fields.append(field)
Пример #2
0
    def __init__(self, interval, start_date=None):
        if not isinstance(interval, timedelta):
            raise TypeError('interval must be a timedelta')
        if start_date:
            start_date = convert_to_datetime(start_date)

        self.interval = interval
        self.interval_length = timedelta_seconds(self.interval)
        if self.interval_length == 0:
            self.interval = timedelta(seconds=1)
            self.interval_length = 1

        if start_date is None:
            self.start_date = datetime.now() + self.interval
        else:
            self.start_date = convert_to_datetime(start_date)
Пример #3
0
 def __init__(self, run_date):
     self.run_date = convert_to_datetime(run_date)