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models.py
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models.py
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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 User(Base):
__tablename__ = 'user'
id = Column(Integer, primary_key=True)
name = Column(String(250), nullable=False)
email = Column(String(250), nullable=False)
class Project(Base):
__tablename__ = "project"
id = Column(Integer, primary_key=True)
name = Column(String(250), nullable=False)
user_id = Column(Integer, ForeignKey('user.id'))
user = relationship(User)
task = relationship('Task', cascade='all, delete-orphan')
@property
def serialize(self):
return {
'name': self.name
}
class Task(Base):
__tablename__ = "task"
id = Column(Integer, primary_key=True)
name = Column(String(250), nullable=False)
content = Column(String(500))
project_id = Column(Integer, ForeignKey('project.id'))
project = relationship(Project)
user_id = Column(Integer, ForeignKey('user.id'))
user = relationship(User)
@property
def serialize(self):
return {
'name': self.name,
'content': self.content
}
engine = create_engine('sqlite:///projectmgtwithuser.db')
Base.metadata.create_all(engine)