Strawberry GraphQL

Python GraphQL library based on dataclasses

Installation ( Quick Start )

The quick start method provides a server and CLI to get going quickly. Install with:

pip install "strawberry-graphql[debug-server]"

Getting Started

Create a file called app.py with the following code:

import strawberry


@strawberry.type
class User:
    name: str
    age: int


@strawberry.type
class Query:
    @strawberry.field
    def user(self) -> User:
        return User(name="Patrick", age=100)


schema = strawberry.Schema(query=Query)

This will create a GraphQL schema defining a User type and a single query field user that will return a hardcoded user.

To run the debug server run the following command:

strawberry server app

Open the debug server by clicking on the following link: http://0.0.0.0:8000/graphql

This will open GraphiQL where you can test the API.

Type-checking

Strawberry comes with a mypy plugin that enables statically type-checking your GraphQL schema. To enable it, add the following lines to your mypy.ini configuration:

[mypy]
plugins = strawberry.ext.mypy_plugin

Django Integration

A Django view is provided for adding a GraphQL endpoint to your application.

Add the app to your INSTALLED_APPS.

INSTALLED_APPS = [
    ...,  # your other apps
    "strawberry.django",
]

Add the view to your urls.py file.

from strawberry.django.views import GraphQLView
from .schema import schema

urlpatterns = [
    ...,
    path("graphql", GraphQLView.as_view(schema=schema)),
]

WebSockets

To support graphql Subscriptions over WebSockets you need to provide a WebSocket enabled server. The debug server can be made to support WebSockets with these commands:

pip install 'strawberry-graphql[debug-server]'
pip install 'uvicorn[standard]'

Examples

Contributing

We use poetry to manage dependencies, to get started follow these steps:

git clone https://github.com/strawberry-graphql/strawberry
cd strawberry
poetry install --with integrations
poetry run pytest

For all further detail, check out the Contributing Page

Pre commit

We have a configuration for pre-commit, to add the hook run the following command:

pre-commit install

Links

Project homepage: https://strawberry.rocks
Repository: https://github.com/strawberry-graphql/strawberry
Issue tracker: https://github.com/strawberry-graphql/strawberry/issues
- In case of sensitive bugs like security vulnerabilities, please contact patrick.arminio@gmail.com directly instead of using the issue tracker. We value your effort to improve the security and privacy of this project!

Licensing

The code in this project is licensed under MIT license. See LICENSE for more information.

License

jthorniley/strawberry

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