def __init__(self, **kwargs):
"""Overwrite default values and validators."""
# detect if creating migration
if 'migrate' in sys.argv or 'makemigrations' in sys.argv:
# remove currency information for a clean migration
kwargs['default_currency'] = ''
kwargs['currency_choices'] = []
else:
# set defaults
kwargs.update(money_kwargs())
# Set a minimum value validator
validators = kwargs.get('validators', [])
allow_negative = kwargs.pop('allow_negative', False)
# If no validators are provided, add some "standard" ones
if len(validators) == 0:
if not allow_negative:
validators.append(MinMoneyValidator(0), )
kwargs['validators'] = validators
super().__init__(**kwargs)
def __init__(self,
currency_widget=None,
currency_choices=CURRENCY_CHOICES,
choices=CURRENCY_CHOICES,
max_value=None,
min_value=None,
max_digits=None,
decimal_places=None,
*args,
**kwargs):
# choices does not make sense in this context, it would mean we had
# to replace two widgets with one widget dynamically... which is a
# mess. Instead, we let currency_choices be the same as choices and
# raise a warning.
if currency_choices != CURRENCY_CHOICES:
warn('currency_choices will be deprecated in favor of choices',
PendingDeprecationWarning)
choices = currency_choices
# get the default currency if one was specified
default_currency = kwargs.pop('default_currency', None)
validators = []
if min_value:
validators.append(MinValueValidator(min_value))
if max_value:
validators.append(MaxValueValidator(max_value))
amount_field = DecimalField(max_digits=max_digits,
decimal_places=decimal_places,
validators=validators,
*args,
**kwargs)
currency_field = ChoiceField(choices=choices)
if VERSION < (1, 8) and hasattr(amount_field,
'_has_changed') and hasattr(
currency_field, '_has_changed'):
amount_field.has_changed = amount_field._has_changed
currency_field.has_changed = currency_field._has_changed
# TODO: No idea what currency_widget is supposed to do since it doesn't
# even receive currency choices as input. Somehow it's supposed to be
# instantiated from outside. Hard to tell.
if currency_widget:
self.widget = currency_widget
else:
self.widget = MoneyWidget(amount_widget=amount_field.widget,
currency_widget=currency_field.widget,
default_currency=default_currency)
# The two fields that this widget comprises
fields = (amount_field, currency_field)
super(MoneyField, self).__init__(fields, *args, **kwargs)
# set the initial value to the default currency so that the
# default currency appears as the selected menu item
self.initial = [None, default_currency]
def __init__(self, **kwargs):
# detect if creating migration
if 'migrate' in sys.argv or 'makemigrations' in sys.argv:
# remove currency information for a clean migration
kwargs['default_currency'] = ''
kwargs['currency_choices'] = []
else:
# set defaults
kwargs.update(money_kwargs())
# Set a minimum value validator
validators = kwargs.get('validators', [])
if len(validators) == 0:
validators.append(MinMoneyValidator(0), )
kwargs['validators'] = validators
super().__init__(**kwargs)
def get_js_validators_for_field(self, bound_field):
field = bound_field.field
validators = []
# "required" validation logic is not in a validator so we need a
# custom solution
if field.required:
validators.append(self.required_validator(field))
if field.__class__ in JS_VALIDATORS:
js_validator = JS_VALIDATORS[field.__class__]
validators.append(js_validator(field))
for validator in field.validators:
js_validator = self.get_js_for_validator(validator, field)
validators.append(js_validator)
return validators