Python Column示例

示例#1

class User(db.Model, UserMixin):
    id = db.Column(db.Integer, primary_key=True)
    created = db.Column(db.Date, default=datetime.today())
    email = db.Column(db.String(120), unique=True, index=True)
    firstname = db.Column(db.String(80))
    lastname = db.Column(db.String(80))
    password = db.Column(db.String(40), default=generate_password())
    active = db.Column(db.Boolean())
    confirmed_at = db.Column(db.DateTime(), default=datetime.today())
    roles = db.relationship('Role',
                            secondary=roles_users,
                            backref=db.backref('user', lazy='dynamic'))

    def __repr__(self):
        return '<User %r>' % (self.email)

    def check_password(self, pwd):
        if self.password == pwd:
            return True
        return False

    def is_authenticated(self):
        return True

    def is_active(self):
        return self.active

    def is_anonymous(self):
        return False

    def get_id(self):
        return unicode(self.id)

    def create_user(self):
        return None

示例#2

class Page(db.Model):
  id        = db.Column(db.Integer, primary_key=True)
  title     = db.Column(db.Text, unique=True)
  link      = db.Column(db.Text, unique=True)
  body      = db.Column(db.Text)
  type      = db.Column(db.Text)
  created   = db.Column(db.Date, default=datetime.utcnow())
  updated   = db.Column(db.Date, default=datetime.utcnow())

  childs    = property(lambda s: s.query.filter_by(id_parent=s.id).all()) 

  def __repr__(self):
    return '<Page #%r>' % self.id

示例#3

# -*- coding: utf-8 -*-
from flaskpress import app, db
from datetime import datetime

class Page(db.Model):
  id        = db.Column(db.Integer, primary_key=True)
  title     = db.Column(db.Text, unique=True)
  link      = db.Column(db.Text, unique=True)
  body      = db.Column(db.Text)
  type      = db.Column(db.Text)
  created   = db.Column(db.Date, default=datetime.utcnow())
  updated   = db.Column(db.Date, default=datetime.utcnow())

  childs    = property(lambda s: s.query.filter_by(id_parent=s.id).all()) 

  def __repr__(self):
    return '<Page #%r>' % self.id

Page.id_parent = db.Column(db.Integer, db.ForeignKey('page.id'))
Page.parent    = db.relationship('Page', backref=db.backref('page'), remote_side=Page.id)

示例#4

class Role(db.Model, RoleMixin):
    id = db.Column(db.Integer(), primary_key=True)
    name = db.Column(db.String(80), unique=True)
    description = db.Column(db.String(255))

示例#5

# -*- coding: utf-8 -*-
from flask.ext.security import Security, SQLAlchemyUserDatastore, UserMixin, RoleMixin
from flaskpress import app, db, lg
from flaskpress.tools import generate_password

from datetime import datetime

roles_users = db.Table(
    'roles_users', db.Column('user_id', db.Integer(),
                             db.ForeignKey('user.id')),
    db.Column('role_id', db.Integer(), db.ForeignKey('role.id')))


class Role(db.Model, RoleMixin):
    id = db.Column(db.Integer(), primary_key=True)
    name = db.Column(db.String(80), unique=True)
    description = db.Column(db.String(255))


class User(db.Model, UserMixin):
    id = db.Column(db.Integer, primary_key=True)
    created = db.Column(db.Date, default=datetime.today())
    email = db.Column(db.String(120), unique=True, index=True)
    firstname = db.Column(db.String(80))
    lastname = db.Column(db.String(80))
    password = db.Column(db.String(40), default=generate_password())
    active = db.Column(db.Boolean())
    confirmed_at = db.Column(db.DateTime(), default=datetime.today())
    roles = db.relationship('Role',
                            secondary=roles_users,
                            backref=db.backref('user', lazy='dynamic'))