多子站不同数据表前缀问题 - V2EX
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LiuXuFei
V2EX    Python

多子站不同数据表前缀问题

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  •   LiuXuFei
    liuxufei 2016-08-08 15:16:23 +08:00 2521 次点击
    这是一个创建于 3434 天前的主题,其中的信息可能已经有所发展或是发生改变。

    前文:用 flask 如何做配置不同的子站比较优雅?( http://www.v2ex.com/t/296370

    问题:如何才能把 bluepront.py 文件中的 g.user_url_slug 变量放到 models.py 文件中使用?

    bluepront.py

    from flask import Blueprint, render_template, g from app import models site = Blueprint('site', __name__, url_prefix='/<user_url_slug>') @site.url_defaults def add_user_url_slug(endpoint, values): values.setdefault('user_url_slug', g.user_url_slug) @site.url_value_preprocessor def pull_user_url_slug(endpoint, values): g.user_url_slug = values.pop('user_url_slug') @site.route('/') def index(): return g.user_url_slug + ' home' 

    models.py

    from flask import g from app import db class User(db.Model): # 如何才能把 blueprint.py 中的 g.user_url_slug 放到这里,生成不同的子站数据库表前缀 __tablename__ = g.user_url_slug + '_users' id = db.Column(db.Integer, primary_key = True) nickname = db.Column(db.String(64), index = True, unique = True) email = db.Column(db.String(120), index = True, unique = True) def __repr__(self): return '<User %r>' % (self.nickname) 
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