def _create_historical_estimates(resource, configuration):
    """ Create consumption details and price estimates for past months.

        Usually we need to update historical values on resource import.
    """
    today = timezone.now()
    month_start = core_utils.month_start(today)
    while month_start > resource.created:
        month_start -= relativedelta(months=1)
        models.PriceEstimate.create_historical(resource, configuration, max(month_start, resource.created))
def _create_historical_estimates ( resource , configuration ) : today = timezone . now ( ) month_start = core_utils . month_start ( today ) while month_start > resource . created : month_start -= relativedelta ( months = 1 ) models . PriceEstimate . create_historical ( resource , configuration , max ( month_start , resource . created ) )
Create consumption details and price estimates for past months.

        Usually we need to update historical values on resource import.