Pipelinen parannuksia building blockeilla

zipit/template_runs/tmpl_blog/models.py

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+from sqlalchemy import create_engine, Column, Integer, Integer, String, Text
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+DATABASE_URL = "sqlite:///./app.db"
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = "users"
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(255), nullable=False)
+    email = Column(String(255), nullable=False)
+    password_hash = Column(Text, nullable=False)
+
+class Article(Base):
+    __tablename__ = "articles"
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String(255), nullable=False)
+    content = Column(Text, nullable=False)
+    author_id = Column(Integer, nullable=False)
+
+class Comment(Base):
+    __tablename__ = "comments"
+    id = Column(Integer, primary_key=True, index=True)
+    content = Column(Text, nullable=False)
+    article_id = Column(Integer, nullable=False)
+    author_id = Column(Integer, nullable=False)
+
+Base.metadata.create_all(bind=engine)