reflection.html 16 KB

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  59. <h1>Source code for grpc_reflection.v1alpha.reflection</h1><div class="highlight"><pre>
  60. <span></span><span class="c1"># Copyright 2016 gRPC authors.</span>
  61. <span class="c1">#</span>
  62. <span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
  63. <span class="c1"># you may not use this file except in compliance with the License.</span>
  64. <span class="c1"># You may obtain a copy of the License at</span>
  65. <span class="c1">#</span>
  66. <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span>
  67. <span class="c1">#</span>
  68. <span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
  69. <span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
  70. <span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
  71. <span class="c1"># See the License for the specific language governing permissions and</span>
  72. <span class="c1"># limitations under the License.</span>
  73. <span class="sd">&quot;&quot;&quot;Reference implementation for reflection in gRPC Python.&quot;&quot;&quot;</span>
  74. <span class="kn">import</span> <span class="nn">sys</span>
  75. <span class="kn">import</span> <span class="nn">grpc</span>
  76. <span class="kn">from</span> <span class="nn">grpc_reflection.v1alpha</span> <span class="kn">import</span> <span class="n">reflection_pb2</span> <span class="k">as</span> <span class="n">_reflection_pb2</span>
  77. <span class="kn">from</span> <span class="nn">grpc_reflection.v1alpha</span> <span class="kn">import</span> <span class="n">reflection_pb2_grpc</span> <span class="k">as</span> <span class="n">_reflection_pb2_grpc</span>
  78. <span class="kn">from</span> <span class="nn">grpc_reflection.v1alpha._base</span> <span class="kn">import</span> <span class="n">BaseReflectionServicer</span>
  79. <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>
  80. <span class="s1">&#39;ServerReflection&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">full_name</span>
  81. <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">BaseReflectionServicer</span><span class="p">):</span>
  82. <span class="sd">&quot;&quot;&quot;Servicer handling RPCs for service statuses.&quot;&quot;&quot;</span>
  83. <div class="viewcode-block" id="ReflectionServicer.ServerReflectionInfo"><a class="viewcode-back" href="../../../grpc_reflection.html#grpc_reflection.v1alpha.reflection.ReflectionServicer.ServerReflectionInfo">[docs]</a> <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>
  84. <span class="c1"># pylint: disable=unused-argument</span>
  85. <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>
  86. <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>
  87. <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>
  88. <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>
  89. <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>
  90. <span class="n">request</span><span class="o">.</span><span class="n">file_containing_symbol</span><span class="p">)</span>
  91. <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>
  92. <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>
  93. <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>
  94. <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>
  95. <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>
  96. <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>
  97. <span class="n">request</span><span class="o">.</span><span class="n">all_extension_numbers_of_type</span><span class="p">)</span>
  98. <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>
  99. <span class="k">yield</span> <span class="bp">self</span><span class="o">.</span><span class="n">_list_services</span><span class="p">()</span>
  100. <span class="k">else</span><span class="p">:</span>
  101. <span class="k">yield</span> <span class="n">_reflection_pb2</span><span class="o">.</span><span class="n">ServerReflectionResponse</span><span class="p">(</span>
  102. <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>
  103. <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>
  104. <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>
  105. <span class="n">encode</span><span class="p">(),</span>
  106. <span class="p">))</span></div></div>
  107. <span class="n">_enable_server_reflection_doc</span> <span class="o">=</span> <span class="s2">&quot;&quot;&quot;Enables server reflection on a server.</span>
  108. <span class="s2">Args:</span>
  109. <span class="s2"> service_names: Iterable of fully-qualified service names available.</span>
  110. <span class="s2"> server: grpc.Server to which reflection service will be added.</span>
  111. <span class="s2"> pool: DescriptorPool object to use (descriptor_pool.Default() if None).</span>
  112. <span class="s2">&quot;&quot;&quot;</span>
  113. <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&gt;=</span> <span class="mi">3</span> <span class="ow">and</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">&gt;=</span> <span class="mi">6</span><span class="p">:</span>
  114. <span class="c1"># Exposes AsyncReflectionServicer as public API.</span>
  115. <span class="kn">from</span> <span class="nn">.</span> <span class="kn">import</span> <span class="n">_async</span> <span class="k">as</span> <span class="n">aio</span>
  116. <span class="kn">from</span> <span class="nn">grpc.experimental</span> <span class="kn">import</span> <span class="n">aio</span> <span class="k">as</span> <span class="n">grpc_aio</span> <span class="c1"># pylint: disable=ungrouped-imports</span>
  117. <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>
  118. <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">server</span><span class="p">,</span> <span class="n">grpc_aio</span><span class="o">.</span><span class="n">Server</span><span class="p">):</span>
  119. <span class="n">_reflection_pb2_grpc</span><span class="o">.</span><span class="n">add_ServerReflectionServicer_to_server</span><span class="p">(</span>
  120. <span class="n">aio</span><span class="o">.</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>
  121. <span class="k">else</span><span class="p">:</span>
  122. <span class="n">_reflection_pb2_grpc</span><span class="o">.</span><span class="n">add_ServerReflectionServicer_to_server</span><span class="p">(</span>
  123. <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>
  124. <span class="n">enable_server_reflection</span><span class="o">.</span><span class="vm">__doc__</span> <span class="o">=</span> <span class="n">_enable_server_reflection_doc</span>
  125. <span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span>
  126. <span class="s2">&quot;SERVICE_NAME&quot;</span><span class="p">,</span>
  127. <span class="s2">&quot;ReflectionServicer&quot;</span><span class="p">,</span>
  128. <span class="s2">&quot;enable_server_reflection&quot;</span><span class="p">,</span>
  129. <span class="s2">&quot;aio&quot;</span><span class="p">,</span>
  130. <span class="p">]</span>
  131. <span class="k">else</span><span class="p">:</span>
  132. <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>
  133. <span class="n">_reflection_pb2_grpc</span><span class="o">.</span><span class="n">add_ServerReflectionServicer_to_server</span><span class="p">(</span>
  134. <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>
  135. <span class="n">enable_server_reflection</span><span class="o">.</span><span class="vm">__doc__</span> <span class="o">=</span> <span class="n">_enable_server_reflection_doc</span>
  136. <span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span>
  137. <span class="s2">&quot;SERVICE_NAME&quot;</span><span class="p">,</span>
  138. <span class="s2">&quot;ReflectionServicer&quot;</span><span class="p">,</span>
  139. <span class="s2">&quot;enable_server_reflection&quot;</span><span class="p">,</span>
  140. <span class="p">]</span>
  141. </pre></div>
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