carto
/
grpc


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272
							
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>grpc_reflection.v1alpha.reflection &#8212; gRPC Python 1.20.0 documentation</title>
    <link rel="stylesheet" href="../../../_static/alabaster.css" type="text/css" />
    <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
    <script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></script>
    <script type="text/javascript" src="../../../_static/jquery.js"></script>
    <script type="text/javascript" src="../../../_static/underscore.js"></script>
    <script type="text/javascript" src="../../../_static/doctools.js"></script>
    <script type="text/javascript" src="../../../_static/language_data.js"></script>
    <link rel="index" title="Index" href="../../../genindex.html" />
    <link rel="search" title="Search" href="../../../search.html" />
   
  <link rel="stylesheet" href="../../../_static/custom.css" type="text/css" />
  
  
  <meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />

  </head><body>
  <div class="document">
    
      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
        <div class="sphinxsidebarwrapper">
<h1 class="logo"><a href="../../../index.html">gRPC Python</a></h1>


<p class="blurb">1.20.0</p>


<h3>Navigation</h3>
<p class="caption"><span class="caption-text">Contents:</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc.html">gRPC</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc_channelz.html">gRPC Channelz</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc_health_checking.html">gRPC Health Checking</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc_reflection.html">gRPC Reflection</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc_status.html">gRPC Status</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../grpc_testing.html">gRPC Testing</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../../glossary.html">Glossary</a></li>
</ul>

<div class="relations">
<h3>Related Topics</h3>
<ul>
  <li><a href="../../../index.html">Documentation overview</a><ul>
  <li><a href="../../index.html">Module code</a><ul>
  </ul></li>
  </ul></li>
</ul>
</div>
<div id="searchbox" style="display: none" role="search">
  <h3>Quick search</h3>
    <div class="searchformwrapper">
    <form class="search" action="../../../search.html" method="get">
      <input type="text" name="q" />
      <input type="submit" value="Go" />
      <input type="hidden" name="check_keywords" value="yes" />
      <input type="hidden" name="area" value="default" />
    </form>
    </div>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>


        </div>
      </div>
      <div class="documentwrapper">
        <div class="bodywrapper">
          

          <div class="body" role="main">
            
  <h1>Source code for grpc_reflection.v1alpha.reflection</h1><div class="highlight"><pre>
<span></span><span class="c1"># Copyright 2016 gRPC authors.</span>
<span class="c1">#</span>
<span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
<span class="c1"># you may not use this file except in compliance with the License.</span>
<span class="c1"># You may obtain a copy of the License at</span>
<span class="c1">#</span>
<span class="c1">#     http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c1">#</span>
<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="c1"># See the License for the specific language governing permissions and</span>
<span class="c1"># limitations under the License.</span>
<span class="sd">&quot;&quot;&quot;Reference implementation for reflection in gRPC Python.&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">grpc</span>
<span class="kn">from</span> <span class="nn">google.protobuf</span> <span class="k">import</span> <span class="n">descriptor_pb2</span>
<span class="kn">from</span> <span class="nn">google.protobuf</span> <span class="k">import</span> <span class="n">descriptor_pool</span>

<span class="kn">from</span> <span class="nn">grpc_reflection.v1alpha</span> <span class="k">import</span> <span class="n">reflection_pb2</span> <span class="k">as</span> <span class="n">_reflection_pb2</span>
<span class="kn">from</span> <span class="nn">grpc_reflection.v1alpha</span> <span class="k">import</span> <span class="n">reflection_pb2_grpc</span> <span class="k">as</span> <span class="n">_reflection_pb2_grpc</span>

<span class="n">_POOL</span> <span class="o">=</span> <span class="n">descriptor_pool</span><span class="o">.</span><span class="n">Default</span><span class="p">()</span>
<span class="n">SERVICE_NAME</span> <span class="o">=</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">DESCRIPTOR</span><span class="o">.</span><span class="n">services_by_name</span><span class="p">[</span>
    <span class="s1">&#39;ServerReflection&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">full_name</span>


<span class="k">def</span> <span class="nf">_not_found_error</span><span class="p">():</span>
    <span class="k">return</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
        <span class="n">error_response</span><span class="o">=</span><span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ErrorResponse</span><span class="p">(</span>
            <span class="n">error_code</span><span class="o">=</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="o">.</span><span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span>
            <span class="n">error_message</span><span class="o">=</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="o">.</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">encode</span><span class="p">(),</span>
        <span class="p">))</span>


<span class="k">def</span> <span class="nf">_file_descriptor_response</span><span class="p">(</span><span class="n">descriptor</span><span class="p">):</span>
    <span class="n">proto</span> <span class="o">=</span> <span class="n">descriptor_pb2</span><span class="o">.</span><span class="n">FileDescriptorProto</span><span class="p">()</span>
    <span class="n">descriptor</span><span class="o">.</span><span class="n">CopyToProto</span><span class="p">(</span><span class="n">proto</span><span class="p">)</span>
    <span class="n">serialized_proto</span> <span class="o">=</span> <span class="n">proto</span><span class="o">.</span><span class="n">SerializeToString</span><span class="p">()</span>
    <span class="k">return</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
        <span class="n">file_descriptor_response</span><span class="o">=</span><span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">FileDescriptorResponse</span><span class="p">(</span>
            <span class="n">file_descriptor_proto</span><span class="o">=</span><span class="p">(</span><span class="n">serialized_proto</span><span class="p">,)),)</span>


<div class="viewcode-block" id="ReflectionServicer"><a class="viewcode-back" href="../../../grpc_reflection.html#grpc_reflection.v1alpha.reflection.ReflectionServicer">[docs]</a><span class="k">class</span> <span class="nc">ReflectionServicer</span><span class="p">(</span><span class="n">_reflection_pb2_grpc</span><span class="o">.</span><span class="n">ServerReflectionServicer</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;Servicer handling RPCs for service statuses.&quot;&quot;&quot;</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">service_names</span><span class="p">,</span> <span class="n">pool</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;Constructor.</span>

<span class="sd">    Args:</span>
<span class="sd">      service_names: Iterable of fully-qualified service names available.</span>
<span class="sd">    &quot;&quot;&quot;</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_service_names</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">sorted</span><span class="p">(</span><span class="n">service_names</span><span class="p">))</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span> <span class="o">=</span> <span class="n">_POOL</span> <span class="k">if</span> <span class="n">pool</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">pool</span>

    <span class="k">def</span> <span class="nf">_file_by_filename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filename</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="n">descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindFileByName</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
        <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_not_found_error</span><span class="p">()</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_file_descriptor_response</span><span class="p">(</span><span class="n">descriptor</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_file_containing_symbol</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fully_qualified_name</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="n">descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindFileContainingSymbol</span><span class="p">(</span>
                <span class="n">fully_qualified_name</span><span class="p">)</span>
        <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_not_found_error</span><span class="p">()</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_file_descriptor_response</span><span class="p">(</span><span class="n">descriptor</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_file_containing_extension</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">containing_type</span><span class="p">,</span> <span class="n">extension_number</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="n">message_descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindMessageTypeByName</span><span class="p">(</span>
                <span class="n">containing_type</span><span class="p">)</span>
            <span class="n">extension_descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindExtensionByNumber</span><span class="p">(</span>
                <span class="n">message_descriptor</span><span class="p">,</span> <span class="n">extension_number</span><span class="p">)</span>
            <span class="n">descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindFileContainingSymbol</span><span class="p">(</span>
                <span class="n">extension_descriptor</span><span class="o">.</span><span class="n">full_name</span><span class="p">)</span>
        <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_not_found_error</span><span class="p">()</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_file_descriptor_response</span><span class="p">(</span><span class="n">descriptor</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">_all_extension_numbers_of_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">containing_type</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="n">message_descriptor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindMessageTypeByName</span><span class="p">(</span>
                <span class="n">containing_type</span><span class="p">)</span>
            <span class="n">extension_numbers</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span>
                <span class="nb">sorted</span><span class="p">(</span>
                    <span class="n">extension</span><span class="o">.</span><span class="n">number</span>
                    <span class="k">for</span> <span class="n">extension</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pool</span><span class="o">.</span><span class="n">FindAllExtensions</span><span class="p">(</span>
                        <span class="n">message_descriptor</span><span class="p">)))</span>
        <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_not_found_error</span><span class="p">()</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
                <span class="n">all_extension_numbers_response</span><span class="o">=</span><span class="n">_reflection_pb2</span><span class="o">.</span>
                <span class="n">ExtensionNumberResponse</span><span class="p">(</span>
                    <span class="n">base_type_name</span><span class="o">=</span><span class="n">message_descriptor</span><span class="o">.</span><span class="n">full_name</span><span class="p">,</span>
                    <span class="n">extension_number</span><span class="o">=</span><span class="n">extension_numbers</span><span class="p">))</span>

    <span class="k">def</span> <span class="nf">_list_services</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="k">return</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
            <span class="n">list_services_response</span><span class="o">=</span><span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ListServiceResponse</span><span class="p">(</span>
                <span class="n">service</span><span class="o">=</span><span class="p">[</span>
                    <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServiceResponse</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="n">service_name</span><span class="p">)</span>
                    <span class="k">for</span> <span class="n">service_name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_service_names</span>
                <span class="p">]))</span>

    <span class="k">def</span> <span class="nf">ServerReflectionInfo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request_iterator</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="c1"># pylint: disable=unused-argument</span>
        <span class="k">for</span> <span class="n">request</span> <span class="ow">in</span> <span class="n">request_iterator</span><span class="p">:</span>
            <span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">HasField</span><span class="p">(</span><span class="s1">&#39;file_by_filename&#39;</span><span class="p">):</span>
                <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_file_by_filename</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">file_by_filename</span><span class="p">)</span>
            <span class="k">elif</span> <span class="n">request</span><span class="o">.</span><span class="n">HasField</span><span class="p">(</span><span class="s1">&#39;file_containing_symbol&#39;</span><span class="p">):</span>
                <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_file_containing_symbol</span><span class="p">(</span>
                    <span class="n">request</span><span class="o">.</span><span class="n">file_containing_symbol</span><span class="p">)</span>
            <span class="k">elif</span> <span class="n">request</span><span class="o">.</span><span class="n">HasField</span><span class="p">(</span><span class="s1">&#39;file_containing_extension&#39;</span><span class="p">):</span>
                <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_file_containing_extension</span><span class="p">(</span>
                    <span class="n">request</span><span class="o">.</span><span class="n">file_containing_extension</span><span class="o">.</span><span class="n">containing_type</span><span class="p">,</span>
                    <span class="n">request</span><span class="o">.</span><span class="n">file_containing_extension</span><span class="o">.</span><span class="n">extension_number</span><span class="p">)</span>
            <span class="k">elif</span> <span class="n">request</span><span class="o">.</span><span class="n">HasField</span><span class="p">(</span><span class="s1">&#39;all_extension_numbers_of_type&#39;</span><span class="p">):</span>
                <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_extension_numbers_of_type</span><span class="p">(</span>
                    <span class="n">request</span><span class="o">.</span><span class="n">all_extension_numbers_of_type</span><span class="p">)</span>
            <span class="k">elif</span> <span class="n">request</span><span class="o">.</span><span class="n">HasField</span><span class="p">(</span><span class="s1">&#39;list_services&#39;</span><span class="p">):</span>
                <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_list_services</span><span class="p">()</span>
            <span class="k">else</span><span class="p">:</span>
                <span class="k">yield</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
                    <span class="n">error_response</span><span class="o">=</span><span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ErrorResponse</span><span class="p">(</span>
                        <span class="n">error_code</span><span class="o">=</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INVALID_ARGUMENT</span><span class="o">.</span><span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span>
                        <span class="n">error_message</span><span class="o">=</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INVALID_ARGUMENT</span><span class="o">.</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
                        <span class="o">.</span><span class="n">encode</span><span class="p">(),</span>
                    <span class="p">))</span></div>


<div class="viewcode-block" id="enable_server_reflection"><a class="viewcode-back" href="../../../grpc_reflection.html#grpc_reflection.v1alpha.reflection.enable_server_reflection">[docs]</a><span class="k">def</span> <span class="nf">enable_server_reflection</span><span class="p">(</span><span class="n">service_names</span><span class="p">,</span> <span class="n">server</span><span class="p">,</span> <span class="n">pool</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;Enables server reflection on a server.</span>

<span class="sd">    Args:</span>
<span class="sd">      service_names: Iterable of fully-qualified service names available.</span>
<span class="sd">      server: grpc.Server to which reflection service will be added.</span>
<span class="sd">      pool: DescriptorPool object to use (descriptor_pool.Default() if None).</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="n">_reflection_pb2_grpc</span><span class="o">.</span><span class="n">add_ServerReflectionServicer_to_server</span><span class="p">(</span>
        <span class="n">ReflectionServicer</span><span class="p">(</span><span class="n">service_names</span><span class="p">,</span> <span class="n">pool</span><span class="o">=</span><span class="n">pool</span><span class="p">),</span> <span class="n">server</span><span class="p">)</span></div>
</pre></div>

          </div>
          
        </div>
      </div>
    <div class="clearer"></div>
  </div>
    <div class="footer">
      &copy;2018, The gRPC Authors.
      
    </div>

    
    <script type="text/javascript">

      var _gaq = _gaq || [];
      _gaq.push(['_setAccount', 'UA-60127042-1']);
      _gaq.push(['_setDomainName', 'none']);
      _gaq.push(['_setAllowLinker', true]);
      _gaq.push(['_trackPageview']);

      (function() {
        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
      })();

    </script>
    
  </body>
</html>