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drf-nested-1.2.9
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-
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | drf-nested-1.2.9 |
| نام | drf-nested |
| نسخه کتابخانه | 1.2.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Artur Veres |
| ایمیل نویسنده | artur8118@gmail.com |
| آدرس صفحه اصلی | - |
| آدرس اینترنتی | https://pypi.org/project/drf-nested/ |
| مجوز | License :: OSI Approved :: MIT License |
## DRF Nested Utils
[](https://pypi.org/project/drf-nested/)
This package provides a set of utils to help developers implement nested data handling for Django Rest Framework.
This package adds support for:
* Direct relation handling (`ForeignKey`)
* Reverse relation handling (i.e. allows working with models that have current as `ForeignKey`)
* Direct and reverse `ManyToMany`, with special flow for the m2m relationships with custom `through` models
* `GenericRelation` with special mixins
It also provides mixins for handling `Unique` and `UniqueTogether` validators.
## Mixins
### Nested Serializer Mixins
#### `BaseNestedMixin`
Base mixin that contains the methods for retrieval of all related fields of the serializer model.
It also provides all the `update_or_create` methods for each type of fields
(`direct relation`, `reverse relation`, `many-to-many relation` and `generic relation`).
#### `CreateNestedMixin`
Mixin that allows creation of the nested models on serializer `create` call.
You can provide a list of fields that should be forbidden on create,
the list of fields should be placed into the `forbidden_on_create`
field on serializer `Meta` class.
Mixin uses `BaseNestedMixin` properties and `update_and_create` methods to create nested fields.
#### `UpdateNestedMixin`
Mixin that allows modification of the nested models on serializer `update` call.
Mixin uses `BaseNestedMixin` properties and `update_and_create` methods to update nested fields.
### Validator Mixins
#### `UniqueFieldMixin`
Mixin that allows usage of the `unique` fields with nested mixins.
This mixin moves the validation process from `is_valid` to `create/update` call.
This is done because the fields that should be used in the `unique` validation may not be
set on the initial `is_valid` call and are set just before the nested `create/update` call.
#### `UniqueTogetherMixin`
Mixin that allows usage of the `unique_together` fields with nested mixins.
This mixin moves the validation process from `is_valid` to `create/update` call.
This is done because the fields that should be used in the `unique_together` validation may not be
set on the initial `is_valid` call and are set just before the nested `create/update` call.
### Helper Mixins
#### `NestableMixin`
Mixin that allows to specify the name of the nested field by setting `write_source` if the initial `source` of the field is different
from the field name or the initial `source` is not writable (a property, for example).
#### `ThroughMixin`
Mixin that allows to specify if `through` model should be connected to current model after the `through` model `create/update` call.
#### `GenericRelationMixin`
Mixin that should be used on serializers that represent connected by `GenericRelation` models.
## Examples
You can see an example project in `examples/` directory.
## Notes
> If you are using a Many-to-Many field with `source` property or you have a `through` model on your serializer,
you should add a `NestableMixin` to the target serializer and add a `write_source` field when you initialize that serializer.
> In case of the `source` property you should add an actual model field that would allow you to properly connect your model with related ones.
> In case of the `through` model you should have it set to the `related_name` of the connected `through` model
> You can also use `ThroughMixin` and set `connect_to_model` to False if you want to have the ability to keep the `through` model connection in case the `through` model ForeignKey should be different from the current model.
نیازمندی
| مقدار | نام |
|---|---|
| >=2.0 | django |
| >=3.8.0 | djangorestframework |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.8,<4.0 | Python |
نحوه نصب
نصب پکیج whl drf-nested-1.2.9:
pip install drf-nested-1.2.9.whl
نصب پکیج tar.gz drf-nested-1.2.9:
pip install drf-nested-1.2.9.tar.gz