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<h1>Source code for vmware.vapi.provider.lib</h1><div class="highlight"><pre>
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<span class="sd">"""</span>
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<span class="sd">Utility library for Provider modules</span>
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<span class="sd">"""</span>
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<span class="n">__author__</span> <span class="o">=</span> <span class="s">'VMware, Inc.'</span>
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<span class="n">__copyright__</span> <span class="o">=</span> <span class="s">'Copyright 2013 VMware, Inc. All rights reserved. -- VMware Confidential'</span>
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<span class="kn">from</span> <span class="nn">vmware.vapi.core</span> <span class="kn">import</span> <span class="n">MethodResult</span><span class="p">,</span> <span class="n">MethodDefinition</span>
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<span class="kn">from</span> <span class="nn">vmware.vapi.data.value</span> <span class="kn">import</span> <span class="n">StructValue</span><span class="p">,</span> <span class="n">ListValue</span>
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<span class="kn">from</span> <span class="nn">vmware.vapi.lib.constants</span> <span class="kn">import</span> <span class="n">Introspection</span>
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<div class="viewcode-block" id="augment_method_result_with_errors"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.lib.augment_method_result_with_errors">[docs]</a><span class="k">def</span> <span class="nf">augment_method_result_with_errors</span><span class="p">(</span><span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">method_result</span><span class="p">,</span>
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<span class="n">errors_to_augment</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Returns a new method result that is identical to `method_result` except that</span>
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<span class="sd"> the `errors_definition` field in the `output` (which is of type Operation.Info</span>
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<span class="sd"> from Introspection service) contains the errors from the Info structure in</span>
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<span class="sd"> `method_result` plus the errors in `errors_to_augment`. This code will be</span>
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<span class="sd"> executed only for "get" operation in vAPI Operation Introspection service.</span>
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<span class="sd"> :type service_id: :class:`str`</span>
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<span class="sd"> :param service_id: Service identifier</span>
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<span class="sd"> :type operation_id: :class:`str`</span>
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<span class="sd"> :param operation_id: Operation identifier</span>
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<span class="sd"> :type method_result: :class:`vmware.vapi.core.MethodResult`</span>
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<span class="sd"> :param method_result: Operation result</span>
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<span class="sd"> :type errors_to_augment: :class:`list` of :class:`vmware.vapi.data.value.StructValue`</span>
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<span class="sd"> :param errors_to_augment: Errors to augment. These are struct values of type</span>
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<span class="sd"> com.vmware.vapi.std.introspection.Operation.DataDefinition whose `type`</span>
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<span class="sd"> field has the value ERROR</span>
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<span class="sd"> to the DataDefinition type in Introspection service IDL.</span>
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<span class="sd"> :rtype: :class:`vmware.vapi.data.value.DataValue`</span>
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<span class="sd"> :return: Output data value</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="n">method_result</span><span class="o">.</span><span class="n">success</span><span class="p">():</span>
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<span class="k">if</span> <span class="p">(</span><span class="n">service_id</span> <span class="o">==</span> <span class="n">Introspection</span><span class="o">.</span><span class="n">OPERATION_SVC</span> <span class="ow">and</span>
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<span class="n">operation_id</span> <span class="o">==</span> <span class="s">'get'</span><span class="p">):</span>
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<span class="n">output</span> <span class="o">=</span> <span class="n">method_result</span><span class="o">.</span><span class="n">output</span>
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<span class="n">augmented_output</span> <span class="o">=</span> <span class="n">StructValue</span><span class="p">(</span>
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<span class="s">'com.vmware.vapi.std.introspection.operation.info'</span><span class="p">)</span>
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<span class="n">augmented_output</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span>
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<span class="s">'input_definition'</span><span class="p">,</span>
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<span class="n">output</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="s">'input_definition'</span><span class="p">))</span>
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<span class="n">augmented_output</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span>
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<span class="s">'output_definition'</span><span class="p">,</span>
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<span class="n">output</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="s">'output_definition'</span><span class="p">))</span>
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<span class="n">errors</span> <span class="o">=</span> <span class="n">ListValue</span><span class="p">()</span>
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<span class="n">error_names</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="k">for</span> <span class="n">error_def</span> <span class="ow">in</span> <span class="n">output</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="s">'error_definitions'</span><span class="p">):</span>
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<span class="n">errors</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">error_def</span><span class="p">)</span>
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<span class="n">error_names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">error_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="s">'name'</span><span class="p">)</span><span class="o">.</span><span class="n">value</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
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<span class="k">for</span> <span class="n">error_def</span> <span class="ow">in</span> <span class="n">errors_to_augment</span><span class="p">:</span>
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<span class="k">if</span> <span class="n">error_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="s">'name'</span><span class="p">)</span><span class="o">.</span><span class="n">value</span><span class="o">.</span><span class="n">value</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">error_names</span><span class="p">:</span>
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<span class="n">errors</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">error_def</span><span class="p">)</span>
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<span class="n">augmented_output</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="s">'error_definitions'</span><span class="p">,</span> <span class="n">errors</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">output</span><span class="o">=</span><span class="n">augmented_output</span><span class="p">)</span>
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<span class="k">return</span> <span class="n">method_result</span>
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</div>
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<div class="viewcode-block" id="augment_method_def_with_errors"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.lib.augment_method_def_with_errors">[docs]</a><span class="k">def</span> <span class="nf">augment_method_def_with_errors</span><span class="p">(</span><span class="n">method_def</span><span class="p">,</span> <span class="n">errors</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Add errors reported by this ApiProviderFilter to a method definition.</span>
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<span class="sd"> This method clones the input method definition and appends errors. It</span>
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<span class="sd"> does not modify the parameter.</span>
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<span class="sd"> :type method_def: :class:`vmware.vapi.core.MethodDefinition`</span>
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<span class="sd"> :param method_def: Method definition</span>
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<span class="sd"> :type errors: :class:`list` of :class:`vmware.vapi.data.definition.ErrorDefinition`</span>
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<span class="sd"> :param errors: Error definitions to augment to MethodDefinition</span>
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<span class="sd"> :rtype: :class:`vmware.vapi.core.MethodDefinition`</span>
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<span class="sd"> :return: Method definition after augmenting the errors</span>
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<span class="sd"> """</span>
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<span class="n">method_errors</span> <span class="o">=</span> <span class="n">method_def</span><span class="o">.</span><span class="n">get_error_definitions</span><span class="p">()</span>
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<span class="k">return</span> <span class="n">MethodDefinition</span><span class="p">(</span><span class="n">method_def</span><span class="o">.</span><span class="n">get_identifier</span><span class="p">(),</span>
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<span class="n">method_def</span><span class="o">.</span><span class="n">get_input_definition</span><span class="p">(),</span>
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<span class="n">method_def</span><span class="o">.</span><span class="n">get_output_definition</span><span class="p">(),</span>
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<span class="n">method_errors</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">errors</span><span class="p">))</span></div>
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</pre></div>
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