Patrick J. Anderson wrote:
> class ExchangeRate(models.Model):
> company = ForeignKey(Company)
> source = ForeignKey(Currency, related_name = 'source')
> destination = ForeignKey(Currency, related_name = 'destination')
> rate = FloatField(max_digits = 10, decimal_places = 2)
>
> class Meta:
> db_table = 'company_exchange_rates'
> verbose_name = 'exchange rate'
> verbose_name_plural = 'exchange rates'
>
> class Admin:
> pass
>
>
> What should I use to describe an ExhangeRate object in __str__ ?
It's all up to you: what would you like to be displayed when you output
exchange rates in templates, in python prompt. It can look like this:
def __str__(self):
return '%s/%s - %0.2f' % (self.source, self.destination, self.rate)
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