This release is a pre-release and may not be stable for production use.
Please read UPGRADE-v1.0.md to learn how to upgrade to Graphene 1.0.
Graphene-SQLAlchemy 
A SQLAlchemy integration for Graphene.
Installation
For instaling graphene, just run this command in your shell
pip install "graphene-sqlalchemy>=1.0"Examples
Here is a simple SQLAlchemy model:
from sqlalchemy import Column, Integer, String
from sqlalchemy.orm import backref, relationship
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class UserModel(Base):
__tablename__ = 'department'
id = Column(Integer, primary_key=True)
name = Column(String)
last_name = Column(String)To create a GraphQL schema for it you simply have to write the following:
from graphene_sqlalchemy import SQLAlchemyObjectType
class User(SQLAlchemyObjectType):
class Meta:
model = UserModel
class Query(graphene.ObjectType):
users = graphene.List(User)
def resolve_users(self, args, context, info):
query = User.get_query(context) # SQLAlchemy query
return query.all()
schema = graphene.Schema(query=Query)Then you can simply query the schema:
query = '''
query {
users {
name,
lastName
}
}
'''
result = schema.execute(query, context_value={'session': db_session})To learn more check out the following examples:
Full example: Flask SQLAlchemy example
Contributing
After cloning this repo, ensure dependencies are installed by running:
python setup.py installAfter developing, the full test suite can be evaluated by running:
python setup.py test # Use --pytest-args="-v -s" for verbose mode3 maintainers
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