initial import

db.py

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+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Boolean, Integer, String, DateTime, Float, create_engine
+from sqlalchemy.orm import sessionmaker, scoped_session
+
+
+Base = declarative_base()
+
+class TrainedItem(Base):
+	__tablename__ = 'trained_items'
+	name = Column(String, primary_key=True)
+	state = Column(Boolean)
+
+class FoundItem(Base):
+        __tablename__ = 'found_items'
+        id = Column(Integer, primary_key=True)
+        hnid = Column(String)
+        comment_count = Column(Integer)
+        name = Column(String)
+        url = Column(String, unique=True, index=True)
+        date = Column(DateTime, index=True)
+        rating = Column(Float)
+
+engine = create_engine('sqlite:///hnlearn.db')
+Base.metadata.create_all(engine)
+session_factory = sessionmaker(bind=engine)
+Session = scoped_session(session_factory)