本文整理匯總了Python中rest_framework.serializers.DecimalField方法的典型用法代碼示例。如果您正苦於以下問題：Python serializers.DecimalField方法的具體用法？Python serializers.DecimalField怎麽用？Python serializers.DecimalField使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類rest_framework.serializers的用法示例。
在下文中一共展示了serializers.DecimalField方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_should_decimal_convert_float
# 需要導入模塊: from rest_framework import serializers [as 別名]
# 或者: from rest_framework.serializers import DecimalField [as 別名]
def test_should_decimal_convert_float():
assert_conversion(
serializers.DecimalField, graphene.Float, max_digits=4, decimal_places=2
) 示例2: get_price
# 需要導入模塊: from rest_framework import serializers [as 別名]
# 或者: from rest_framework.serializers import DecimalField [as 別名]
def get_price(self, product):
info = self._get_info(product)
if info.availability.is_available_to_buy:
return serializers.DecimalField(max_digits=10, decimal_places=2).to_representation(info.price.excl_tax)
return None 示例3: build_standard_field
# 需要導入模塊: from rest_framework import serializers [as 別名]
# 或者: from rest_framework.serializers import DecimalField [as 別名]
def build_standard_field(self, field_name, model_field):
"""
Create regular model fields.
"""
field_mapping = ClassLookupDict(self.serializer_field_mapping)
field_class = field_mapping[model_field]
field_kwargs = self.get_field_kwargs(field_name, model_field)
if 'choices' in field_kwargs:
# Fields with choices get coerced into `ChoiceField`
# instead of using their regular typed field.
field_class = self.serializer_choice_field
# Some model fields may introduce kwargs that would not be valid
# for the choice field. We need to strip these out.
# Eg. models.DecimalField(max_digits=3, decimal_places=1,
# choices=DECIMAL_CHOICES)
valid_kwargs = {
'read_only', 'write_only',
'required', 'default', 'initial', 'source',
'label', 'help_text', 'style',
'error_messages', 'validators', 'allow_null', 'allow_blank',
'choices'
}
for key in list(field_kwargs.keys()):
if key not in valid_kwargs:
field_kwargs.pop(key)
if not issubclass(field_class, ModelField):
# `model_field` is only valid for the fallback case of
# `ModelField`, which is used when no other typed field
# matched to the model field.
field_kwargs.pop('model_field', None)
if not issubclass(field_class, CharField) and not \
issubclass(field_class, ChoiceField):
# `allow_blank` is only valid for textual fields.
field_kwargs.pop('allow_blank', None)
if postgres_fields and isinstance(model_field,
postgres_fields.ArrayField):
# Populate the `child` argument on `ListField` instances generated
# for the PostgrSQL specfic `ArrayField`.
child_model_field = model_field.base_field
child_field_class, child_field_kwargs = self.build_standard_field(
'child', child_model_field
)
field_kwargs['child'] = child_field_class(**child_field_kwargs)
return field_class, field_kwargs