def setup_default(self, default, default_currency, nullable):
if default is None and not nullable:
# Backwards compatible fix for non-nullable fields
default = 0.0
if isinstance(default, string_types):
try:
# handle scenario where default is formatted like:
# 'amount currency-code'
amount, currency = default.split(' ')
except ValueError:
# value error would be risen if the default is
# without the currency part, i.e
# 'amount'
amount = default
currency = default_currency
default = Money(Decimal(amount), Currency(code=currency))
elif isinstance(default, (float, Decimal, int)):
default = Money(default, default_currency)
elif isinstance(default, OldMoney):
default.__class__ = Money
if not (nullable and default is None) and not isinstance(
default, Money):
raise ValueError(
'default value must be an instance of Money, is: %s' % default)
return default
def income(request):
if request.method == 'POST':
form = IncomeForm(request.POST)
if form.is_valid():
amount = form.cleaned_data['amount']
tx_date = form.cleaned_data['date']
source = form.cleaned_data['source']
user = request.user
# only save as USD, but note what the original amount was
# also store original amount and flip converted to true
if amount.currency != Currency('USD'):
fxamount = amount
converted = True
amount = convert_money(amount, 'USD')
Income.objects.create(amount=amount,
date=tx_date,
source=source,
user=user,
fxamount=fxamount,
converted=converted)
else:
Income.objects.create(amount=amount,
date=tx_date,
source=source,
user=user)
return HttpResponseRedirect(reverse('record:index'))
context = {'form': IncomeForm(), 'form_type': 'income'}
return render(request, 'record/record.html', context=context)
def expense(request):
# save new transaction information to database or load expense form
if request.method == 'POST':
# expense submission
form = ExpenseForm(request.POST)
if form.is_valid():
# save the input
amount = form.cleaned_data['amount']
tx_date = form.cleaned_data['date']
cat = form.cleaned_data['category']
method = form.cleaned_data['method']
comment = form.cleaned_data['comment']
tag = form.cleaned_data['tag']
user = request.user
# only save as USD, but note what the original amount was
# also store original amount and flip converted to true
if amount.currency != Currency('USD'):
fxamount = amount
converted = True
comment = comment + ' *ORIGINAL [' + str(amount) + ']*'
amount = convert_money(amount, 'USD')
Expense.objects.create(amount=amount,
date=tx_date,
category=cat,
method=method,
comment=comment,
tag=tag,
user=user,
fxamount=fxamount,
converted=converted)
else:
# otherwise store as submitted
Expense.objects.create(amount=amount,
date=tx_date,
category=cat,
method=method,
comment=comment,
tag=tag,
user=user)
# change to new month, if different from current. also adds new month to navbar
set_month(request, tx_date.year, tx_date.month)
# load the index page
return HttpResponseRedirect(reverse('record:index'))
context = {
'message':
f'Error. Form did not properly validate. Errors: {form.errors}',
'message_type': 'danger'
}
return render(request, 'record/index.html', context=context)
# if not POST, load form
context = {'form': ExpenseForm(), 'form_type': 'expense'}
return render(request, 'record/record.html', context=context)
def setup_default(self, default, default_currency, nullable):
if isinstance(default, (str, bytes)):
try:
# handle scenario where default is formatted like:
# 'amount currency-code'
amount, currency = default.split(" ")
except ValueError:
# value error would be risen if the default is
# without the currency part, i.e
# 'amount'
amount = default
currency = default_currency
default = Money(Decimal(amount), Currency(code=currency))
elif isinstance(default, (float, Decimal, int)):
default = Money(default, default_currency)
elif isinstance(default, OldMoney):
default.__class__ = Money
if default is not None and not isinstance(default, Money):
raise ValueError("default value must be an instance of Money, is: %s" % default)
return default
from djmoney.contrib.exchange.exceptions import MissingRate
from djmoney.contrib.exchange.models import _get_rate, convert_money, get_rate
from djmoney.money import Currency, Money
pytestmark = pytest.mark.django_db
@pytest.mark.parametrize(
"source, target, expected, queries",
(
("USD", "USD", 1, 0),
("USD", "EUR", 2, 1),
("EUR", "USD", Decimal("0.5"), 1),
(Currency("USD"), "USD", 1, 0),
("USD", Currency("USD"), 1, 0),
),
)
@pytest.mark.usefixtures("simple_rates")
def test_get_rate(source, target, expected, django_assert_num_queries, queries):
with django_assert_num_queries(queries):
assert get_rate(source, target) == expected
@pytest.mark.parametrize(
"source, target, expected",
(
("NOK", "SEK", Decimal("1.067732610555839085161462146")),
("SEK", "NOK", Decimal("0.9365640705489186883886537319")),
),
import pytest
from djmoney.contrib.exchange.exceptions import MissingRate
from djmoney.contrib.exchange.models import _get_rate, convert_money, get_rate
from djmoney.money import Currency, Money
from tests._compat import patch
pytestmark = pytest.mark.django_db
@pytest.mark.parametrize('source, target, expected', (
('USD', 'USD', 1),
('USD', 'EUR', 2),
('EUR', 'USD', Decimal('0.5')),
(Currency('USD'), 'USD', 1),
('USD', Currency('USD'), 1),
))
@pytest.mark.usefixtures('simple_rates')
def test_get_rate(source, target, expected):
assert get_rate(source, target) == expected
def test_unknown_currency():
with pytest.raises(MissingRate,
match='Rate USD \\-\\> EUR does not exist'):
get_rate('USD', 'EUR')
def test_string_representation(backend):
assert str(backend) == backend.name
