def clean(self, value):
if not isinstance(value, tuple):
raise Exception("Invalid value provided for MoneyField.clean (expected tupple)")
amount = super(MoneyField, self).clean(value[0])
currency = value[1]
if not currency:
raise forms.ValidationError(_(u"Input currency"))
currency = currency.upper()
if not currency_provider().get(currency, False) or currency == u"XXX":
raise forms.ValidationError(_(u"This currency not exist"))
return Money(amount=amount, currency=currency)
objects = CurrencyManager()
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
if self.default and self.pk:
type(self).objects.exclude(pk=self.pk, default=False).update(default=False)
return models.Model.save(self, *args, **kwargs)
class Meta:
ordering = ['-default', 'code']
verbose_name_plural = "currencies"
ORIGINAL_CURRENCIES = money.currency_provider()
money.set_currency_provider(Currency.objects)
def _load_currencies():
for key, value in ORIGINAL_CURRENCIES.iteritems():
if key == 'XXX': continue
Currency.objects.get_or_create(name=value.name,
code=value.code,
numeric=value.numeric)
try:
Currency.objects.default()
except Currency.DoesNotExist:
new_default = Currency.objects['USD']
new_default.default = True
new_default.save()
def choices():
yield '', '--'
for key in currency_provider().iterkeys():
yield key, key
from django import forms
from money import Money, currency_provider
from decimal import Decimal
__all__ = ('InputMoneyWidget', 'CurrencySelect',)
CURRENCY_CHOICES = ((c.code, c.name) for i, c in currency_provider().items() if c.code != 'XXX')
class CurrencySelect(forms.Select):
def __init__(self, attrs=None, choices=CURRENCY_CHOICES):
super(CurrencySelect, self).__init__(attrs, choices)
class InputMoneyWidget(forms.TextInput):
def __init__(self, attrs=None, currency_widget=None):
self.currency_widget = currency_widget
if not self.currency_widget:
self.currency_widget = CurrencySelect()
super(InputMoneyWidget, self).__init__(attrs)
def render(self, name, value, attrs=None):
amount = ''
currency = ''
if isinstance(value, Money):
amount = value.amount
currency = value.currency.code
if isinstance(value, tuple):
amount = value[0]
currency = value[1]
if isinstance(value, int) or isinstance(value, Decimal):
amount = value
