class TimeSeriesReportWithCustomDates(TimeSeriesReport):
    report_title = _("Time Series Report With Custom Dates")
    report_description = _("Demonstrates a 'custom' time_series_pattern"
                           "here: first 10 days of Jan, Feb and Mar. "
                           "Useful for non-standard or irregular periods.")
    time_series_pattern = "custom"
    time_series_custom_dates = (
        (datetime.datetime(get_current_year(), 1, 1), datetime.datetime(get_current_year(), 1, 10)),
        (datetime.datetime(get_current_year(), 2, 1), datetime.datetime(get_current_year(), 2, 10)),
        (datetime.datetime(get_current_year(), 3, 1), datetime.datetime(get_current_year(), 3, 10)),
    )