Django: DecimalField values displaying

Question

I have a model with DecimalField:

points_player1 = models.DecimalField(max_digits=3, decimal_places=1, blank=True, null=True)

When I displaying this field in template, it always shows values like 0.0 or 1.0 etc. But I want to make this behavior more user-friendly:

1. If user input, for example, is 1 it displays 1 (now its 1.0).
2. If user input is 1.5 it should displays 1.5.
3. By-default value is 0, not 0.0.

What is the best way to make this? Is DecimalField is right choice for my case?

Answer 1

You can do {{decimal_field|floatformat}} in the template, which will round off and show ".0" only when necessary.

More reference template - floatformat

Answer 2

Create a new model field

class DecimalFieldNormalized(models.DecimalField):
    def from_db_value(self, value, *args):
        if value is None:
            return value
        return value.normalize()

Answer 3

Also you can modify the model save method if for some reason you can't/don't want to use django templating, adding this to the bottom of your model:

def save(self, *args, **kwargs):
    self.points_player1 = float(self.points_player1)
    super(YourModelName, self).save(*args, **kwargs)

Didn't tryed it , but it should work.