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<h1>Source code for vmware.vapi.lib.std</h1><div class="highlight"><pre>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">Helper functions for manipulating vAPI runtime objects corresponding to</span>
<span class="sd">the standard types (e.g. LocalizableMessage) and errors</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="n">__author__</span> <span class="o">=</span> <span class="s">&#39;VMware, Inc.&#39;</span>
<span class="n">__copyright__</span> <span class="o">=</span> <span class="s">&#39;Copyright 2011-2014 VMware, Inc. All rights reserved. -- VMware Confidential&#39;</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.data.definition</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">DynamicStructDefinition</span><span class="p">,</span> <span class="n">ErrorDefinition</span><span class="p">,</span> <span class="n">ListDefinition</span><span class="p">,</span>
<span class="n">OptionalDefinition</span><span class="p">,</span> <span class="n">StringDefinition</span><span class="p">,</span> <span class="n">StructDefinition</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.l10n.runtime</span> <span class="kn">import</span> <span class="n">message_factory</span>
<span class="n">_ID_FIELD_NAME</span> <span class="o">=</span> <span class="s">&#39;id&#39;</span>
<span class="n">_DEFAULT_MESSAGE_FIELD_NAME</span> <span class="o">=</span> <span class="s">&#39;default_message&#39;</span>
<span class="n">_ARGS_FIELD_NAME</span> <span class="o">=</span> <span class="s">&#39;args&#39;</span>
<span class="n">localizable_message_def</span> <span class="o">=</span> <span class="n">StructDefinition</span><span class="p">(</span>
<span class="s">&#39;com.vmware.vapi.std.localizable_message&#39;</span><span class="p">,</span>
<span class="p">((</span><span class="n">_ID_FIELD_NAME</span><span class="p">,</span> <span class="n">StringDefinition</span><span class="p">()),</span>
<span class="p">(</span><span class="n">_DEFAULT_MESSAGE_FIELD_NAME</span><span class="p">,</span> <span class="n">StringDefinition</span><span class="p">()),</span>
<span class="p">(</span><span class="n">_ARGS_FIELD_NAME</span><span class="p">,</span> <span class="n">ListDefinition</span><span class="p">(</span><span class="n">StringDefinition</span><span class="p">()))))</span>
<span class="n">_MESSAGES_FIELD_NAME</span> <span class="o">=</span> <span class="s">&#39;messages&#39;</span>
<span class="n">messages_list_def</span> <span class="o">=</span> <span class="n">ListDefinition</span><span class="p">(</span><span class="n">localizable_message_def</span><span class="p">)</span>
<span class="n">_DATA_FIELD_NAME</span> <span class="o">=</span> <span class="s">&#39;data&#39;</span>
<span class="n">data_optional_dynamicstructure_def</span> <span class="o">=</span> <span class="n">OptionalDefinition</span><span class="p">(</span>
<span class="n">DynamicStructDefinition</span><span class="p">())</span>
<span class="n">_ERROR_DEF_FIELDS</span> <span class="o">=</span> <span class="p">[(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">,</span> <span class="n">messages_list_def</span><span class="p">),</span>
<span class="p">(</span><span class="n">_DATA_FIELD_NAME</span><span class="p">,</span> <span class="n">data_optional_dynamicstructure_def</span><span class="p">)]</span>
<span class="k">def</span> <span class="nf">make_std_error_def</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
<div class="viewcode-block" id="make_std_error_def"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.std.make_std_error_def">[docs]</a> <span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Internal function to create a &quot;standard&quot; ErrorDefinition for use only by</span>
<span class="sd"> the vAPI runtime.</span>
<span class="sd"> :type name: :class:`str`</span>
<span class="sd"> :param args: Fully qualified name of the standard error type</span>
<span class="sd"> :rtype: :class:`vmware.vapi.data.definition.ErrorDefinition`</span>
<span class="sd"> :return: ErrorDefinition containing a single message field</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">ErrorDefinition</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">_ERROR_DEF_FIELDS</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_make_struct_value_from_message</span><span class="p">(</span><span class="n">message</span><span class="p">):</span></div>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Helper function to create a StructValue matching the LocalizableMessage</span>
<span class="sd"> type defined in VMODL from a Message object.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">id_def</span> <span class="o">=</span> <span class="n">localizable_message_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_ID_FIELD_NAME</span><span class="p">)</span>
<span class="n">default_message_def</span> <span class="o">=</span> <span class="n">localizable_message_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span>
<span class="n">_DEFAULT_MESSAGE_FIELD_NAME</span><span class="p">)</span>
<span class="n">args_def</span> <span class="o">=</span> <span class="n">localizable_message_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_ARGS_FIELD_NAME</span><span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="n">localizable_message_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_ID_FIELD_NAME</span><span class="p">,</span> <span class="n">id_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">(</span><span class="n">message</span><span class="o">.</span><span class="n">id</span><span class="p">))</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_DEFAULT_MESSAGE_FIELD_NAME</span><span class="p">,</span>
<span class="n">default_message_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">(</span><span class="n">message</span><span class="o">.</span><span class="n">def_msg</span><span class="p">))</span>
<span class="n">args_list_value</span> <span class="o">=</span> <span class="n">args_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">arg_def</span> <span class="o">=</span> <span class="n">args_def</span><span class="o">.</span><span class="n">element_type</span>
<span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">message</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
<span class="n">args_list_value</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">arg_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">(</span><span class="n">arg</span><span class="p">))</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_ARGS_FIELD_NAME</span><span class="p">,</span> <span class="n">args_list_value</span><span class="p">)</span>
<span class="k">return</span> <span class="n">result</span>
<span class="k">def</span> <span class="nf">make_error_value_from_msg_id</span><span class="p">(</span><span class="n">error_def</span><span class="p">,</span> <span class="n">msg_id</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
<div class="viewcode-block" id="make_error_value_from_msg_id"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.std.make_error_value_from_msg_id">[docs]</a> <span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create an error result for a &quot;standard&quot; error</span>
<span class="sd"> :type error_def: :class:`vmware.vapi.data.type.ErrorDefinition`</span>
<span class="sd"> :param error_def: ErrorDefintion for the error</span>
<span class="sd"> :type msg_id: :class:`str`</span>
<span class="sd"> :param msg_id: Message identifier</span>
<span class="sd"> :type args: :class:`list` of :class:`str`</span>
<span class="sd"> :param args: Argument list for constructing a Message</span>
<span class="sd"> :rtype: :class:`vmware.vapi.data.value.ErrorValue`</span>
<span class="sd"> :return: ErrorValue containing a single message</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">msg</span> <span class="o">=</span> <span class="n">message_factory</span><span class="o">.</span><span class="n">get_message</span><span class="p">(</span><span class="n">msg_id</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">)</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">messages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">_make_struct_value_from_message</span><span class="p">(</span><span class="n">msg</span><span class="p">))</span>
<span class="n">data</span> <span class="o">=</span> <span class="n">data_optional_dynamicstructure_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">,</span> <span class="n">messages</span><span class="p">)</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_DATA_FIELD_NAME</span><span class="p">,</span> <span class="n">data</span><span class="p">)</span>
<span class="k">return</span> <span class="n">error_value</span>
<span class="k">def</span> <span class="nf">make_error_value_from_msgs</span><span class="p">(</span><span class="n">error_def</span><span class="p">,</span> <span class="o">*</span><span class="n">msg_list</span><span class="p">):</span></div>
<div class="viewcode-block" id="make_error_value_from_msgs"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.std.make_error_value_from_msgs">[docs]</a> <span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create an error result for a &quot;standard&quot; error</span>
<span class="sd"> :type error_def: :class:`vmware.vapi.data.type.ErrorDefinition`</span>
<span class="sd"> :param error_def: ErrorDefintion for the error</span>
<span class="sd"> :type msg_list: :class:`list` of :class:`vmware.vapi.message.Message`</span>
<span class="sd"> :param msg_list: list of localizable messages</span>
<span class="sd"> :rtype: :class:`vmware.vapi.data.value.ErrorValue`</span>
<span class="sd"> :return: ErrorValue containing a single message</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">)</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="k">for</span> <span class="n">msg</span> <span class="ow">in</span> <span class="n">msg_list</span><span class="p">:</span>
<span class="n">messages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">_make_struct_value_from_message</span><span class="p">(</span><span class="n">msg</span><span class="p">))</span>
<span class="n">data</span> <span class="o">=</span> <span class="n">data_optional_dynamicstructure_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">,</span> <span class="n">messages</span><span class="p">)</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_DATA_FIELD_NAME</span><span class="p">,</span> <span class="n">data</span><span class="p">)</span>
<span class="k">return</span> <span class="n">error_value</span>
<span class="k">def</span> <span class="nf">make_error_value_from_error_value_and_msgs</span><span class="p">(</span><span class="n">error_def</span><span class="p">,</span></div>
<div class="viewcode-block" id="make_error_value_from_error_value_and_msgs"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.std.make_error_value_from_error_value_and_msgs">[docs]</a> <span class="n">cause</span><span class="p">,</span>
<span class="o">*</span><span class="n">msg_list</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create an error result for a &quot;standard&quot; error from a cause ErrorValue</span>
<span class="sd"> and an list of messages.</span>
<span class="sd"> The list of message will be prepended to the messages from the cause</span>
<span class="sd"> (if any).</span>
<span class="sd"> :type error_def: :class:`vmware.vapi.data.type.ErrorDefinition`</span>
<span class="sd"> :param error_def: ErrorDefintion for the error</span>
<span class="sd"> :type cause: :class:`vmware.vapi.data.value.ErrorValue`</span>
<span class="sd"> :param cause: Lower level ErrorValue that &quot;caused&quot; the error</span>
<span class="sd"> :type msg_list: :class:`list` of :class:`vmware.vapi.message.Message`</span>
<span class="sd"> :param msg_list: list of localizable messages</span>
<span class="sd"> :rtype: :class:`vmware.vapi.data.value.ErrorValue`</span>
<span class="sd"> :return: ErrorValue containing a single message</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">)</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="k">for</span> <span class="n">msg</span> <span class="ow">in</span> <span class="n">msg_list</span><span class="p">:</span>
<span class="n">messages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">_make_struct_value_from_message</span><span class="p">(</span><span class="n">msg</span><span class="p">))</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">cause_msg_list</span> <span class="o">=</span> <span class="n">cause</span><span class="o">.</span><span class="n">get_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">)</span>
<span class="k">for</span> <span class="n">msg</span> <span class="ow">in</span> <span class="n">cause_msg_list</span><span class="p">:</span>
<span class="n">messages</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>
<span class="c"># If cause doesn&#39;t have a message field or it isn&#39;t a ListValue,</span>
<span class="c"># just ignore it.</span>
<span class="k">pass</span>
<span class="n">data</span> <span class="o">=</span> <span class="n">data_optional_dynamicstructure_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">new_value</span><span class="p">()</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_MESSAGES_FIELD_NAME</span><span class="p">,</span> <span class="n">messages</span><span class="p">)</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">set_field</span><span class="p">(</span><span class="n">_DATA_FIELD_NAME</span><span class="p">,</span> <span class="n">data</span><span class="p">)</span>
<span class="k">return</span> <span class="n">error_value</span>
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