GraphQL Framework for Python
Project description
Graphene is a Python library for building GraphQL schemas/types fast and easily.
- Easy to use: Graphene helps you use GraphQL in Python without effort.
- Relay: Graphene has builtin support for Relay
- Django: Automatic Django model mapping to Graphene Types. Check a fully working Django implementation
Graphene also supports SQLAlchemy!
What is supported in this Python version? Everything: Interfaces, ObjectTypes, Scalars, Unions and Relay (Nodes, Connections), in addition to queries, mutations and subscriptions.
NEW!: Try graphene online
Installation
For instaling graphene, just run this command in your shell
pip install graphene # In case of need Django model support pip install graphene[django] # Or in case of need SQLAlchemy support pip install graphene[sqlalchemy]
Examples
Here is one example for get you started:
class Query(graphene.ObjectType): hello = graphene.String(description='A typical hello world') ping = graphene.String(description='Ping someone', to=graphene.String()) def resolve_hello(self, args, info): return 'World' def resolve_ping(self, args, info): return 'Pinging {}'.format(args.get('to')) schema = graphene.Schema(query=Query)
Then Querying graphene.Schema is as simple as:
query = ''' query SayHello { hello ping(to:"peter") } ''' result = schema.execute(query)
If you want to learn even more, you can also check the following examples:
- Basic Schema: Starwars example
- Relay Schema: Starwars Relay example
- Django model mapping: Starwars Django example
- SQLAlchemy model mapping: Flask SQLAlchemy example
Contributing
After cloning this repo, ensure dependencies are installed by running:
python setup.py install
After developing, the full test suite can be evaluated by running:
python setup.py test # Use --pytest-args="-v -s" for verbose mode
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