def test_set_default_currency(self):
expected = Currency('eur', 'EURO')
from pymonon import set_default_currency
set_default_currency(expected)
self.assertEqual(expected, Currency.get_default())
def to_python(self, value):
if not isinstance(value, tuple):
raise Exception("Invalid money input, expected sum and currency.")
amount = super(MoneyField, self).to_python(value[0])
currency = value[1]
if not currency:
raise forms.ValidationError(_(u'Currency is missing'))
currency = currency.upper()
if not CURRENCIES.get(currency, False) or currency == Currency.get_default().code:
raise forms.ValidationError(_(u"Unrecognized currency type '%s'." % currency))
return Money(amount=amount, currency=currency)
def __init__(self, verbose_name=None, name=None,
max_digits=13, decimal_places=3,
default=Decimal("0.0"), default_currency=Currency.get_default(), **kwargs):
if isinstance(default, Money):
self.default_currency = default.currency
# Avoid giving the user hard-to-debug errors if they miss required attributes
if max_digits is None:
raise Exception("You have to provide a max_digits attribute to Money fields.")
if decimal_places is None:
raise Exception("You have to provide a decimal_places attribute to Money fields.")
self.default_currency = default_currency
super(MoneyField, self).__init__(verbose_name, name, max_digits, decimal_places, default=default, **kwargs)
def __init__(self, verbose_name=None, name=None, default=Currency.get_default(), **kwargs):
if isinstance(default, Currency):
default = default.code
kwargs['max_length'] = 3
super(CurrencyField, self).__init__(verbose_name, name, default=default, **kwargs)
def test_initialize_without_currency(self):
money = Money(1000)
self.assertEqual(Currency.get_default(), money.currency)
def test_default_currency(self):
expected = Currency('usd', 'US Dollar')
self.assertEqual(expected, Currency.get_default())
from django import forms
from pymonon import Money, CURRENCIES, Currency
from decimal import Decimal
import operator
__all__ = ('InputMoneyWidget', 'CurrencySelectWidget',)
CURRENCY_CHOICES = [(c.code, c.name) for i, c in CURRENCIES.items() if c.code != Currency.get_default()]
CURRENCY_CHOICES.sort(key=operator.itemgetter(1))
class CurrencySelectWidget(forms.Select):
def __init__(self, attrs=None, choices=CURRENCY_CHOICES):
super(CurrencySelectWidget, self).__init__(attrs, choices)
class InputMoneyWidget(forms.TextInput):
def __init__(self, attrs=None, currency_widget=None):
self.currency_widget = currency_widget or CurrencySelectWidget()
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):