Yeboster

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base, DeferredReflection
from sqlalchemy.orm import scoped_session, sessionmaker

connection_string = << your connection string here >>
engine = create_engine(connection_string)
db_session = scoped_session(sessionmaker(autocommit=False,
                                         autoflush=False,
                                         bind=engine))

Yeboster

from sqlalchemy import Column, Integer, ForeignKey
from sqlalchemy.orm import relationship
from database import Base

class PersonModel(Base):
    __tablename__ = 'person'
    uuid = Column(Integer, primary_key=True)
    Articles = relationship("ArticleModel")
    
class ArticleModel(Base):

Yeboster

import graphene
from graphene_sqlalchemy import SQLAlchemyConnectionField, SQLAlchemyObjectType
from models import *

class Person(SQLAlchemyObjectType):

    class Meta:
        model = PersonModel
        interfaces = (graphene.relay.Node, )