import os
basedir = os.path.abspath(os.path.dirname(__file__))
class Config(object):
# ...
SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
'sqlite:///' + os.path.join(basedir, 'app.db')
SQLALCHEMY_TRACK_MODIFICATIONS = False
from app import db
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
def __repr__(self):
return '<User {}>'.format(self.username)
from datetime import datetime
from app import db
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
posts = db.relationship('Post', backref='author', lazy='dynamic')
def __repr__(self):
return '<User {}>'.format(self.username)
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
body = db.Column(db.String(140))
timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __repr__(self):
return '<Post {}>'.format(self.body)
tags = db.Table('tags',
db.Column('tag_id', db.Integer, db.ForeignKey('tag.id'), primary_key=True),
db.Column('page_id', db.Integer, db.ForeignKey('page.id'), primary_key=True)
)
class Page(db.Model):
id = db.Column(db.Integer, primary_key=True)
tags = db.relationship('Tag', secondary=tags, lazy='subquery',
backref=db.backref('pages', lazy=True))
class Tag(db.Model):
id = db.Column(db.Integer, primary_key=True)