models.py•1.2 kB
from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey, Text, create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from datetime import datetime
Base = declarative_base()
class User(Base):
__tablename__ = "users"
id = Column(Integer, primary_key=True)
username = Column(String(50), unique=True, nullable=False)
email = Column(String(100), unique=True, nullable=False)
created_at = Column(DateTime, default=datetime.utcnow)
# Relationships
posts = relationship("Post", back_populates="author")
def __repr__(self):
return f"<User(username='{self.username}', email='{self.email}')>"
class Post(Base):
__tablename__ = "posts"
id = Column(Integer, primary_key=True)
title = Column(String(100), nullable=False)
content = Column(Text, nullable=False)
created_at = Column(DateTime, default=datetime.utcnow)
user_id = Column(Integer, ForeignKey("users.id"))
# Relationships
author = relationship("User", back_populates="posts")
def __repr__(self):
return f"<Post(title='{self.title}', author_id={self.user_id})>"