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<h1>leancloud.engine 源代码</h1><div class="highlight"><pre>
<span></span><span class="c1"># coding: utf-8</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">absolute_import</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">division</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">unicode_literals</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">json</span>
<span class="kn">import</span> <span class="nn">warnings</span>
<span class="kn">from</span> <span class="nn">werkzeug.wrappers</span> <span class="k">import</span> <span class="n">Request</span>
<span class="kn">from</span> <span class="nn">werkzeug.wrappers</span> <span class="k">import</span> <span class="n">Response</span>
<span class="kn">from</span> <span class="nn">werkzeug.serving</span> <span class="k">import</span> <span class="n">run_simple</span>
<span class="kn">import</span> <span class="nn">leancloud</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="k">import</span> <span class="n">utils</span>
<span class="kn">from</span> <span class="nn">.</span> <span class="k">import</span> <span class="n">leanengine</span>
<span class="kn">from</span> <span class="nn">.authorization</span> <span class="k">import</span> <span class="n">AuthorizationMiddleware</span>
<span class="kn">from</span> <span class="nn">.cookie_session</span> <span class="k">import</span> <span class="n">CookieSessionMiddleware</span> <span class="c1"># noqa: F401</span>
<span class="kn">from</span> <span class="nn">.cors</span> <span class="k">import</span> <span class="n">CORSMiddleware</span>
<span class="kn">from</span> <span class="nn">.https_redirect_middleware</span> <span class="k">import</span> <span class="n">HttpsRedirectMiddleware</span> <span class="c1"># noqa: F401</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">LeanEngineApplication</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">LeanEngineError</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">after_delete</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">after_save</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">after_update</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">before_delete</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">before_save</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">before_update</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">context</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">current</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">register_cloud_func</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">register_on_bigquery</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">register_on_login</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">register_on_verified</span>
<span class="kn">from</span> <span class="nn">.leanengine</span> <span class="k">import</span> <span class="n">user</span>
<span class="n">__author__</span> <span class="o">=</span> <span class="s2">"asaka <lan@leancloud.rocks>"</span>
<div class="viewcode-block" id="Engine"><a class="viewcode-back" href="../../index.html#leancloud.Engine">[文档]</a><span class="k">class</span> <span class="nc">Engine</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> LeanEngine middleware.</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">wsgi_app</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">fetch_user</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> LeanEngine middleware constructor.</span>
<span class="sd"> :param wsgi_app: wsgi callable</span>
<span class="sd"> :param fetch_user:</span>
<span class="sd"> should fetch user's data from server while prNoneocessing session token.</span>
<span class="sd"> :type fetch_user: bool</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current</span> <span class="o">=</span> <span class="n">current</span>
<span class="k">if</span> <span class="n">wsgi_app</span><span class="p">:</span>
<span class="n">leanengine</span><span class="o">.</span><span class="n">root_engine</span> <span class="o">=</span> <span class="bp">self</span>
<span class="bp">self</span><span class="o">.</span><span class="n">origin_app</span> <span class="o">=</span> <span class="n">wsgi_app</span>
<span class="bp">self</span><span class="o">.</span><span class="n">app</span> <span class="o">=</span> <span class="n">LeanEngineApplication</span><span class="p">(</span><span class="n">fetch_user</span><span class="o">=</span><span class="n">fetch_user</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cloud_app</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">local_manager</span><span class="o">.</span><span class="n">make_middleware</span><span class="p">(</span>
<span class="n">CORSMiddleware</span><span class="p">(</span><span class="n">AuthorizationMiddleware</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="p">))</span>
<span class="p">)</span>
<span class="k">def</span> <span class="nf">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">):</span>
<span class="n">request</span> <span class="o">=</span> <span class="n">Request</span><span class="p">(</span><span class="n">environ</span><span class="p">)</span>
<span class="n">environ</span><span class="p">[</span>
<span class="s2">"leanengine.request"</span>
<span class="p">]</span> <span class="o">=</span> <span class="n">request</span> <span class="c1"># cache werkzeug request for other middlewares</span>
<span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"/__engine/1/ping"</span><span class="p">,</span> <span class="s2">"/__engine/1.1/ping/"</span><span class="p">):</span>
<span class="n">start_response</span><span class="p">(</span>
<span class="n">utils</span><span class="o">.</span><span class="n">to_native</span><span class="p">(</span><span class="s2">"200 OK"</span><span class="p">),</span>
<span class="p">[</span>
<span class="p">(</span>
<span class="n">utils</span><span class="o">.</span><span class="n">to_native</span><span class="p">(</span><span class="s2">"Content-Type"</span><span class="p">),</span>
<span class="n">utils</span><span class="o">.</span><span class="n">to_native</span><span class="p">(</span><span class="s2">"application/json"</span><span class="p">),</span>
<span class="p">)</span>
<span class="p">],</span>
<span class="p">)</span>
<span class="n">version</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span>
<span class="k">return</span> <span class="n">Response</span><span class="p">(</span>
<span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span>
<span class="p">{</span>
<span class="s2">"version"</span><span class="p">:</span> <span class="n">leancloud</span><span class="o">.</span><span class="n">__version__</span><span class="p">,</span>
<span class="s2">"runtime"</span><span class="p">:</span> <span class="s2">"cpython-</span><span class="si">{0}</span><span class="s2">.</span><span class="si">{1}</span><span class="s2">.</span><span class="si">{2}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">version</span><span class="o">.</span><span class="n">major</span><span class="p">,</span> <span class="n">version</span><span class="o">.</span><span class="n">minor</span><span class="p">,</span> <span class="n">version</span><span class="o">.</span><span class="n">micro</span>
<span class="p">),</span>
<span class="p">}</span>
<span class="p">)</span>
<span class="p">)(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span>
<span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"/__engine/"</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cloud_app</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span>
<span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"/1/functions"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span>
<span class="s2">"/1.1/functions"</span>
<span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cloud_app</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span>
<span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"/1/call"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">request</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"/1.1/call"</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cloud_app</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">origin_app</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span>
<div class="viewcode-block" id="Engine.wrap"><a class="viewcode-back" href="../../index.html#leancloud.Engine.wrap">[文档]</a> <span class="k">def</span> <span class="nf">wrap</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">wsgi_app</span><span class="p">):</span>
<span class="k">if</span> <span class="n">leanengine</span><span class="o">.</span><span class="n">root_engine</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"It's forbidden that overwriting wsgi_func."</span><span class="p">)</span>
<span class="n">leanengine</span><span class="o">.</span><span class="n">root_engine</span> <span class="o">=</span> <span class="bp">self</span>
<span class="bp">self</span><span class="o">.</span><span class="n">origin_app</span> <span class="o">=</span> <span class="n">wsgi_app</span>
<span class="k">return</span> <span class="bp">self</span></div>
<div class="viewcode-block" id="Engine.register"><a class="viewcode-back" href="../../index.html#leancloud.Engine.register">[文档]</a> <span class="k">def</span> <span class="nf">register</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">engine</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">engine</span><span class="p">,</span> <span class="n">Engine</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">"Please specify an Engine instance"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">update_cloud_codes</span><span class="p">(</span><span class="n">engine</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.define"><a class="viewcode-back" href="../../index.html#leancloud.Engine.define">[文档]</a> <span class="k">def</span> <span class="nf">define</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">register_cloud_func</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.on_verified"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_verified">[文档]</a> <span class="k">def</span> <span class="nf">on_verified</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">register_on_verified</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.on_login"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_login">[文档]</a> <span class="k">def</span> <span class="nf">on_login</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">register_on_login</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.on_bigquery"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_bigquery">[文档]</a> <span class="k">def</span> <span class="nf">on_bigquery</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span>
<span class="s2">"on_bigquery is deprecated, please use on_insight instead"</span><span class="p">,</span>
<span class="n">leancloud</span><span class="o">.</span><span class="n">LeanCloudWarning</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">return</span> <span class="n">register_on_bigquery</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.before_save"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_save">[文档]</a> <span class="k">def</span> <span class="nf">before_save</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">before_save</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.after_save"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_save">[文档]</a> <span class="k">def</span> <span class="nf">after_save</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">after_save</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.before_update"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_update">[文档]</a> <span class="k">def</span> <span class="nf">before_update</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">before_update</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.after_update"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_update">[文档]</a> <span class="k">def</span> <span class="nf">after_update</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">after_update</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.before_delete"><a class="viewcode-back" href="../../index.html#leancloud.Engine.before_delete">[文档]</a> <span class="k">def</span> <span class="nf">before_delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">before_delete</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.after_delete"><a class="viewcode-back" href="../../index.html#leancloud.Engine.after_delete">[文档]</a> <span class="k">def</span> <span class="nf">after_delete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">after_delete</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.on_insight"><a class="viewcode-back" href="../../index.html#leancloud.Engine.on_insight">[文档]</a> <span class="k">def</span> <span class="nf">on_insight</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">register_on_bigquery</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">cloud_codes</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.run"><a class="viewcode-back" href="../../index.html#leancloud.Engine.run">[文档]</a> <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">run_simple</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="Engine.start"><a class="viewcode-back" href="../../index.html#leancloud.Engine.start">[文档]</a> <span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">gevent.pywsgi</span> <span class="k">import</span> <span class="n">WSGIServer</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">leancloud</span><span class="p">,</span> <span class="s2">"APP_ID"</span><span class="p">):</span>
<span class="n">APP_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s2">"LEANCLOUD_APP_ID"</span><span class="p">]</span>
<span class="n">APP_KEY</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s2">"LEANCLOUD_APP_KEY"</span><span class="p">]</span>
<span class="n">MASTER_KEY</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s2">"LEANCLOUD_APP_MASTER_KEY"</span><span class="p">]</span>
<span class="n">HOOK_KEY</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s2">"LEANCLOUD_APP_HOOK_KEY"</span><span class="p">]</span>
<span class="n">PORT</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"LEANCLOUD_APP_PORT"</span><span class="p">))</span>
<span class="n">leancloud</span><span class="o">.</span><span class="n">init</span><span class="p">(</span>
<span class="n">APP_ID</span><span class="p">,</span> <span class="n">app_key</span><span class="o">=</span><span class="n">APP_KEY</span><span class="p">,</span> <span class="n">master_key</span><span class="o">=</span><span class="n">MASTER_KEY</span><span class="p">,</span> <span class="n">hook_key</span><span class="o">=</span><span class="n">HOOK_KEY</span>
<span class="p">)</span>
<span class="k">def</span> <span class="nf">application</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">):</span>
<span class="n">start_response</span><span class="p">(</span>
<span class="s2">"200 OK"</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">),</span>
<span class="p">[(</span><span class="s2">"Content-Type"</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">),</span> <span class="s2">"text/plain"</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))],</span>
<span class="p">)</span>
<span class="k">return</span> <span class="s2">"This is a LeanEngine application."</span>
<span class="k">class</span> <span class="nc">NopLogger</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">s</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">app</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">wrap</span><span class="p">(</span><span class="n">application</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">server</span> <span class="o">=</span> <span class="n">WSGIServer</span><span class="p">((</span><span class="s2">""</span><span class="p">,</span> <span class="n">PORT</span><span class="p">),</span> <span class="n">app</span><span class="p">,</span> <span class="n">log</span><span class="o">=</span><span class="n">NopLogger</span><span class="p">())</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"LeanEngine Cloud Functions app is running, port:"</span><span class="p">,</span> <span class="n">PORT</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span></div>
<div class="viewcode-block" id="Engine.stop"><a class="viewcode-back" href="../../index.html#leancloud.Engine.stop">[文档]</a> <span class="k">def</span> <span class="nf">stop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">server</span><span class="o">.</span><span class="n">stop</span><span class="p">()</span></div></div>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"user"</span><span class="p">,</span> <span class="s2">"Engine"</span><span class="p">,</span> <span class="s2">"LeanEngineError"</span><span class="p">]</span>
</pre></div>
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