Z
Size: a a a
Z
SD
SD
SD
SD
DT
SD
DT
SD
SD
DT
Z
@property
def fuels_s(self):
context = dict()
for tf in TypeFuel.objects.all():
context['{}'.format(tf.name)]['mass'] = sum(list(
self.tanks.all().filter(fuel_type_id=tf.id).values_list('mass', flat=True)))
context['{}'.format(tf.name)]['volume'] = sum(list(
self.tanks.all().filter(fuel_type_id=tf.id).values_list('volume', flat=True)))
des = list(self.tanks.all().filter(fuel_type_id=tf.id).values('density'))
context['{}'.format(tf.name)]['density'] = sum(des) / len(des)
print(context)
return context
DT
@property
def fuels_s(self):
context = dict()
for tf in TypeFuel.objects.all():
context['{}'.format(tf.name)]['mass'] = sum(list(
self.tanks.all().filter(fuel_type_id=tf.id).values_list('mass', flat=True)))
context['{}'.format(tf.name)]['volume'] = sum(list(
self.tanks.all().filter(fuel_type_id=tf.id).values_list('volume', flat=True)))
des = list(self.tanks.all().filter(fuel_type_id=tf.id).values('density'))
context['{}'.format(tf.name)]['density'] = sum(des) / len(des)
print(context)
return context
F
F
DT
С
С
F