add database

app/database.py

@@ -0,0 +1,13 @@
+import os
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from .models import Base
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+engine = create_engine('sqlite:///' + os.path.join(basedir, 'db/db.sqlite'))
+
+
+Base.metadata.create_all(engine)
+
+Session = sessionmaker(bind=engine)
+session = Session()