电脑/python/Flask/flask-user.html

<!DOCTYPE html>
<html>
<head>
<!-- 2016-07-30 六 23:06 -->
<meta  charset="utf-8">
<meta  name="viewport" content="width=device-width, initial-scale=1">
<title>flask-user</title>
<meta  name="generator" content="Org-mode">
<meta  name="author" content="万泽(德山书生)">
<meta  name="description" content="制作者邮箱：a358003542@gmail.com"
>
<style type="text/css">
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<h1 class="title">flask-user</h1>
</header><nav id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orgheadline1">1. 简介</a></li>
<li><a href="#orgheadline2">2. 数据模型设计</a></li>
</ul>
</div>
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<div class="outline-2">
<h2 id="orgheadline1">简介</h2>
<div class="outline-text-2" id="text-1">
<p>
flask-user 方便你处理关于用户的注册登录发送邮件密码找回等事宜。其github地址在 <a href="https://github.com/lingthio/flask-user/">这里</a> 。
</p>


<pre>
pip install flask-user
</pre>
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</div>


<div class="outline-2">
<h2 id="orgheadline2">数据模型设计</h2>
<div class="outline-text-2" id="text-2">
<p>
请参看文档的 <a href="https://pythonhosted.org/Flask-User/data_models.html">这里</a> ，比如下面这个:
</p>
<div class="highlight"><pre><span></span><span class="c1"># Define User DataModel</span>
<span class="k">class</span> <span class="nc">User</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Model</span><span class="p">):</span>
    <span class="nb">id</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Integer</span><span class="p">,</span> <span class="n">primary_key</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>

    <span class="c1"># User email information</span>
    <span class="n">email</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">255</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">unique</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
    <span class="n">confirmed_at</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">DateTime</span><span class="p">())</span>

    <span class="c1"># User information</span>
    <span class="n">is_enabled</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Boolean</span><span class="p">(),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
    <span class="n">first_name</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">50</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">)</span>
    <span class="n">last_name</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">50</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">is_active</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
      <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">is_enabled</span>

<span class="c1"># Define UserAuth DataModel. Make sure to add flask.ext.user UserMixin!!</span>
<span class="k">class</span> <span class="nc">UserAuth</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Model</span><span class="p">,</span> <span class="n">UserMixin</span><span class="p">):</span>
    <span class="nb">id</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Integer</span><span class="p">,</span> <span class="n">primary_key</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
    <span class="n">user_id</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">Integer</span><span class="p">(),</span> <span class="n">db</span><span class="o">.</span><span class="n">ForeignKey</span><span class="p">(</span><span class="s1">&#39;user.id&#39;</span><span class="p">,</span> <span class="n">ondelete</span><span class="o">=</span><span class="s1">&#39;CASCADE&#39;</span><span class="p">))</span>

    <span class="c1"># User authentication information</span>
    <span class="n">username</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">50</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">unique</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
    <span class="n">password</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">255</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">)</span>
    <span class="n">reset_password_token</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">Column</span><span class="p">(</span><span class="n">db</span><span class="o">.</span><span class="n">String</span><span class="p">(</span><span class="mi">100</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">default</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">)</span>

    <span class="c1"># Relationships</span>
    <span class="n">user</span> <span class="o">=</span> <span class="n">db</span><span class="o">.</span><span class="n">relationship</span><span class="p">(</span><span class="s1">&#39;User&#39;</span><span class="p">,</span> <span class="n">uselist</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">foreign_keys</span><span class="o">=</span><span class="n">user_id</span><span class="p">)</span>

<span class="c1"># Setup Flask-User</span>
<span class="n">db_adapter</span> <span class="o">=</span> <span class="n">SQLAlchemyAdapter</span><span class="p">(</span><span class="n">db</span><span class="p">,</span>  <span class="n">User</span><span class="p">,</span> <span class="n">UserAuthClass</span><span class="o">=</span><span class="n">UserAuth</span><span class="p">)</span>
<span class="n">user_manager</span> <span class="o">=</span> <span class="n">UserManager</span><span class="p">(</span><span class="n">db_adapter</span><span class="p">,</span> <span class="n">app</span><span class="p">)</span>
</pre></div>

<p>
上面的代码将邮箱相关信息和认证信息分开，然后建立了one-to-one关系，一个用户只能有一个注册邮箱。然后注意UserAuth那里加入的 <code>UserMixin</code> 类。
</p>
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