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API Star tools to create CRUD resources.

Project description

API Star CRUD

Build Status codecov PyPI version

  • Version: :Version: * Version: 0.3.1
  • Status: Production/Stable
  • Author: José Antonio Perdiguero López

Features

Supported ORM:

The resources are classes with a default implementation for methods:

  • create: Create a new element for this resource.
  • retrieve: Retrieve an element of this resource.
  • update: Update (partially or fully) an element of this resource.
  • delete: Delete an element of this resource.
  • list: List resource collection.
  • drop: Drop resource collection.

The routes for these methods are:

Method Verb URL
create POST /
retrieve GET /{element_id}/
update PUT /{element_id}/
delete DELETE /{element_id}/
list GET /
drop DELETE /

Quick start

Install API star CRUD:

$ pip install apistar-crud[peewee]

or

$ pip install apistar-crud[sqlalchemy]

Follow the steps:

  1. Create an input type and output type for your resource:
  2. Define a model based on your ORM.
  3. Build your resource using the metaclass specific for your ORM.
  4. Add the routes for your resource.

SQLAlchemy

Example of a fully functional resource based on SQLAlchemy.

Create an input type and output type:

class PuppyInputType(types.Type):
    name = validators.String()

class PuppyOutputType(types.Type):
    id = validators.Integer()
    name = validators.String()

Define a model:

class PuppyModel(Base):
    __tablename__ = "Puppy"

    id = Column(Integer, primary_key=True)
    name = Column(String)

The resource:

from apistar_crud.sqlalchemy import Resource

class PuppyResource(metaclass=Resource):
    model = PuppyModel
    input_type = PuppyInputType
    output_type = PuppyOutputType
    methods = ("create", "retrieve", "update", "delete", "list", "drop")

The resource generates his own routes:

from apistar import Include

routes = [
    Include("/puppy", "Puppy", PuppyResource.routes),
]

Peewee

Example of a fully functional resource based on Peewee.

Create an input type and output type:

class PuppyInputType(types.Type):
    name = validators.String()

class PuppyOutputType(types.Type):
    id = validators.Integer()
    name = validators.String()

Define a model:

class PuppyModel(peewee.Model):
    name = peewee.CharField()

The resource:

from apistar_crud.peewee import Resource

class PuppyResource(metaclass=Resource):
    model = PuppyModel
    input_type = PuppyInputType
    output_type = PuppyOutputType
    methods = ("create", "retrieve", "update", "delete", "list", "drop")

The resource generates his own routes:

from apistar import Include

routes = [
    Include("/puppy", "Puppy", PuppyResource.routes),
]

Override methods

To customize CRUD methods you can override them like:

from apistar_crud.peewee import Resource

class PuppyResource(metaclass=Resource):
    model = PuppyModel
    input_type = PuppyInputType
    output_type = PuppyOutputType
    methods = ("create", "retrieve", "update", "delete", "list", "drop")
    
    @staticmethod
    def create(element: PuppyInputType) -> PuppyOutputType:
        # Do your custom process

Project details


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