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Sanic-GraphQL

Adds GraphQL support to your Sanic application.

Installation

To install the integration with Sanic, run the below command on your terminal.

pip install graphql-server[sanic]

Usage

Use the GraphQLView view from graphql_server.sanic

from graphql_server.sanic import GraphQLView
from sanic import Sanic

from schema import schema

app = Sanic(name="Sanic Graphql App")

app.add_route(
    GraphQLView.as_view(schema=schema, graphiql=True),
    '/graphql'
)

# Optional, for adding batch query support (used in Apollo-Client)
app.add_route(
    GraphQLView.as_view(schema=schema, batch=True),
    '/graphql/batch'
)

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8000)

This will add /graphql endpoint to your app and enable the GraphiQL IDE.

Supported options for GraphQLView

  • schema: The GraphQL schema object that you want the view to execute when it gets a valid request. Accepts either an object of type GraphQLSchema from graphql-core or Schema from graphene. For Graphene v3, passing either schema: graphene.Schema or schema.graphql_schema is allowed.
  • context: A value to pass as the context_value to graphql execute function. By default is set to dict with request object at key request.
  • root_value: The root_value you want to provide to graphql execute.
  • pretty: Whether or not you want the response to be pretty printed JSON.
  • graphiql: If True, may present GraphiQL when loaded directly from a browser (a useful tool for debugging and exploration).
  • graphiql_version: The graphiql version to load. Defaults to "2.2.0".
  • graphiql_template: Inject a Jinja template string to customize GraphiQL.
  • graphiql_html_title: The graphiql title to display. Defaults to "GraphiQL".
  • jinja_env: Sets jinja environment to be used to process GraphiQL template. If Jinja’s async mode is enabled (by enable_async=True), uses Template.render_async instead of Template.render. If environment is not set, fallbacks to simple regex-based renderer.
  • batch: Set the GraphQL view as batch (for using in Apollo-Client or ReactRelayNetworkLayer)
  • middleware: A list of graphql middlewares.
  • validation_rules: A list of graphql validation rules.
  • execution_context_class: Specifies a custom execution context class.
  • max_age: Sets the response header Access-Control-Max-Age for preflight requests.
  • encode: the encoder to use for responses (sensibly defaults to graphql_server.json_encode).
  • format_error: the error formatter to use for responses (sensibly defaults to graphql_server.default_format_error.
  • enable_async: whether async mode will be enabled.
  • subscriptions: The GraphiQL socket endpoint for using subscriptions in graphql-ws.
  • headers: An optional GraphQL string to use as the initial displayed request headers, if not provided, the stored headers will be used.
  • default_query: An optional GraphQL string to use when no query is provided and no stored query exists from a previous session. If not provided, GraphiQL will use its own default query.
  • header_editor_enabled: An optional boolean which enables the header editor when true. Defaults to false.
  • should_persist_headers: An optional boolean which enables to persist headers to storage when true. Defaults to false.

You can also subclass GraphQLView and overwrite get_root_value(self, request) to have a dynamic root value per request.

class UserRootValue(GraphQLView):
    def get_root_value(self, request):
        return request.user

Contributing

See CONTRIBUTING.md