puppies.py

import os
import sys
from sqlalchemy import Column, ForeignKey, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from sqlalchemy import create_engine

Base = declarative_base()

class Shelter(Base):
    __tablename__='shelter'
    id=Column(Integer,primary_key=True)
    name=Column(String(80),nullable=False)
    address=Column(String(250))
    city=Column(String(80))
    state=Column(String(20))
    zipcode=Column(String(10)
    website=Column(String(250))

class Puppy(Base):
    __tablename__='puppy'
    name=Column(String(250),nullable=False)
    id=Column(Integer,primary_key=True)
    dateofbirth=Column(Date)
    gender=Column(String(6),nullable=False)
    weight=Column(Numeric(10))
    shelter_id=Column(Integer,ForeignKey(shelter.id)
    shelter=relationship(Shelter)
    picture=Column(String)

engine = create_engine('sqlite:///puppyshelter.db')


Base.metadata.create_all(engine)