statistics.py 文件源码

def get_context_data(self, **kwargs):
        context_data = super(Statistics, self).get_context_data(**kwargs)
        context_data['capabilities'] = dsmr_backend.services.get_capabilities()

        try:
            context_data['latest_reading'] = DsmrReading.objects.all().order_by('-pk')[0]
        except IndexError:
            pass

        today = timezone.localtime(timezone.now()).date()
        context_data['datalogger_settings'] = DataloggerSettings.get_solo()
        context_data['meter_statistics'] = MeterStatistics.get_solo()

        try:
            context_data['energy_prices'] = EnergySupplierPrice.objects.by_date(today)
        except EnergySupplierPrice.DoesNotExist:
            pass

        return context_data