Adds GraphQL support to your aiohttp application
Just use the
GraphQLView view from
from aiohttp_graphql import GraphQLView GraphQLView.attach(app, schema=Schema, graphiql=True) # Optional, for adding batch query support (used in Apollo-Client) GraphQLView.attach(app, schema=Schema, batch=True)
This will add a
/graphql endpoint to your app (customizable by passing
GraphQLView.attach is just a convenience function, and the same functionality can be achieved with
gql_view = GraphQLView(schema=Schema, **kwargs) app.router.add_route('*', gql_view, name='graphql')
It's worth noting that the the "view function" of
GraphQLView is contained in
GraphQLView.__call__. So, when you create an instance, that instance is callable with the request object as the sole positional argument. To illustrate:
gql_view = GraphQLView(schema=Schema, **kwargs) gql_view(request) # <-- the instance is callable and expects a `aiohttp.web.Request` object.
GraphQLSchemaobject that you want the view to execute when it gets a valid request.
Executorthat you want to use to execute queries. If an
AsyncioExecutorinstance is provided, performs queries asynchronously within executorâ€™s loop.
root_valueyou want to provide to
context: A value to pass as the
graphql()function. By default is set to
dictwith request object at key
pretty: Whether or not you want the response to be pretty printed JSON.
True, may present GraphiQL when loaded directly from a browser (a useful tool for debugging and exploration).
graphiql_version: The version of the provided
graphiql_template: Inject a Jinja template string to customize GraphiQL.
middleware: Custom middleware for graphql-python.
batch: Set the GraphQL view as batch (for using in Apollo-Client or [ReactRelayNetworkLayer])
jinja_env: Sets jinja environment to be used to process GraphiQL template. If Jinjaâ€™s async mode is enabled (by
Template.render. If environment is not set, fallbacks to simple regex-based renderer.
max_age: sets the response header
Access-Control-Max-Agefor preflight requests
encoder: the encoder to use for responses (sensibly defaults to
error_formatter: the error formatter to use for responses (sensibly defaults to
asyncmode will be enabled.
subscriptions: The GraphiQL socket endpoint for using subscriptions in graphql-ws.
Testing is done with
git clone https://github.com/graphql-python/aiohttp-graphql cd aiohttp-graphql # Create a virtualenv python3.6 -m venv env && source env/bin/activate # for example pip install -e .[test] pytest
The tests, while modeled after sanic-graphql's tests, have been entirely refactored to take advantage of
pytest-asyncio, conform with PEP-8, and increase readability with pytest fixtures. For usage tests, please check them out.
Copyright for portions of project aiohttp-graphql are held by Syrus Akbary as part of project flask-graphql and sanic-graphql as part of project Sergey Porivaev. All other claims to this project aiohttp-graphql are held by Devin Fee.
This project is licensed under the MIT License.
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