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<article role="main" id="furo-main-content">
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<h1>Source code for searx.search.processors.abstract</h1><div class="highlight"><pre>
|
||
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
|
||
<span class="sd">"""Abstract base classes for all engine processors."""</span>
|
||
|
||
<span class="kn">import</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">t</span>
|
||
|
||
<span class="kn">import</span><span class="w"> </span><span class="nn">logging</span>
|
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<span class="kn">import</span><span class="w"> </span><span class="nn">threading</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">abc</span><span class="w"> </span><span class="kn">import</span> <span class="n">abstractmethod</span><span class="p">,</span> <span class="n">ABC</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">timeit</span><span class="w"> </span><span class="kn">import</span> <span class="n">default_timer</span>
|
||
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx</span><span class="w"> </span><span class="kn">import</span> <span class="n">get_setting</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx</span><span class="w"> </span><span class="kn">import</span> <span class="n">logger</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.engines</span><span class="w"> </span><span class="kn">import</span> <span class="n">engines</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.network</span><span class="w"> </span><span class="kn">import</span> <span class="n">get_time_for_thread</span><span class="p">,</span> <span class="n">get_network</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.metrics</span><span class="w"> </span><span class="kn">import</span> <span class="n">histogram_observe</span><span class="p">,</span> <span class="n">counter_inc</span><span class="p">,</span> <span class="n">count_exception</span><span class="p">,</span> <span class="n">count_error</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.exceptions</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearxEngineAccessDeniedException</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.utils</span><span class="w"> </span><span class="kn">import</span> <span class="n">get_engine_from_settings</span>
|
||
|
||
<span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
|
||
<span class="kn">import</span><span class="w"> </span><span class="nn">types</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.enginelib</span><span class="w"> </span><span class="kn">import</span> <span class="n">Engine</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.search.models</span><span class="w"> </span><span class="kn">import</span> <span class="n">SearchQuery</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.results</span><span class="w"> </span><span class="kn">import</span> <span class="n">ResultContainer</span>
|
||
<span class="kn">from</span><span class="w"> </span><span class="nn">searx.result_types</span><span class="w"> </span><span class="kn">import</span> <span class="n">Result</span><span class="p">,</span> <span class="n">LegacyResult</span> <span class="c1"># pyright: ignore[reportPrivateLocalImportUsage]</span>
|
||
|
||
|
||
<span class="n">logger</span> <span class="o">=</span> <span class="n">logger</span><span class="o">.</span><span class="n">getChild</span><span class="p">(</span><span class="s2">"searx.search.processor"</span><span class="p">)</span>
|
||
<span class="n">SUSPENDED_STATUS</span><span class="p">:</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">int</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> <span class="s2">"SuspendedStatus"</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
|
||
|
||
|
||
<div class="viewcode-block" id="RequestParams">
|
||
<a class="viewcode-back" href="../../../../src/searx.search.processors.html#searx.search.processors.abstract.RequestParams">[docs]</a>
|
||
<span class="k">class</span><span class="w"> </span><span class="nc">RequestParams</span><span class="p">(</span><span class="n">t</span><span class="o">.</span><span class="n">TypedDict</span><span class="p">):</span>
|
||
<span class="w"> </span><span class="sd">"""Basic quantity of the Request parameters of all engine types."""</span>
|
||
|
||
<span class="n">query</span><span class="p">:</span> <span class="nb">str</span>
|
||
<span class="w"> </span><span class="sd">"""Search term, stripped of search syntax arguments."""</span>
|
||
|
||
<span class="n">category</span><span class="p">:</span> <span class="nb">str</span>
|
||
<span class="w"> </span><span class="sd">"""Current category, like ``general``.</span>
|
||
|
||
<span class="sd"> .. hint::</span>
|
||
|
||
<span class="sd"> This field is deprecated, don't use it in further implementations.</span>
|
||
|
||
<span class="sd"> This field is currently *arbitrarily* filled with the name of "one""</span>
|
||
<span class="sd"> category (the name of the first category of the engine). In practice,</span>
|
||
<span class="sd"> however, it is not clear what this "one" category should be; in principle,</span>
|
||
<span class="sd"> multiple categories can also be activated in a search.</span>
|
||
<span class="sd"> """</span>
|
||
|
||
<span class="n">pageno</span><span class="p">:</span> <span class="nb">int</span>
|
||
<span class="w"> </span><span class="sd">"""Current page number, where the first page is ``1``."""</span>
|
||
|
||
<span class="n">safesearch</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Literal</span><span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]</span>
|
||
<span class="w"> </span><span class="sd">"""Safe-Search filter (0:normal, 1:moderate, 2:strict)."""</span>
|
||
|
||
<span class="n">time_range</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Literal</span><span class="p">[</span><span class="s2">"day"</span><span class="p">,</span> <span class="s2">"week"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="s2">"year"</span><span class="p">]</span> <span class="o">|</span> <span class="kc">None</span>
|
||
<span class="w"> </span><span class="sd">"""Time-range filter."""</span>
|
||
|
||
<span class="n">engine_data</span><span class="p">:</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span>
|
||
<span class="w"> </span><span class="sd">"""Allows the transfer of (engine specific) data to the next request of the</span>
|
||
<span class="sd"> client. In the case of the ``online`` engines, this data is delivered to</span>
|
||
<span class="sd"> the client via the HTML ``<form>`` in response.</span>
|
||
|
||
<span class="sd"> If the client then sends this form back to the server with the next request,</span>
|
||
<span class="sd"> this data will be available.</span>
|
||
|
||
<span class="sd"> This makes it possible to carry data from one request to the next without a</span>
|
||
<span class="sd"> session context, but this feature (is fragile) and should only be used in</span>
|
||
<span class="sd"> exceptional cases. See also :ref:`engine_data`."""</span>
|
||
|
||
<span class="n">searxng_locale</span><span class="p">:</span> <span class="nb">str</span>
|
||
<span class="w"> </span><span class="sd">"""Language / locale filter from the search request, a string like 'all',</span>
|
||
<span class="sd"> 'en', 'en-US', 'zh-HK' .. and others, for more details see</span>
|
||
<span class="sd"> :py:obj:`searx.locales`."""</span></div>
|
||
|
||
|
||
|
||
<div class="viewcode-block" id="SuspendedStatus">
|
||
<a class="viewcode-back" href="../../../../src/searx.search.processors.html#searx.search.processors.abstract.SuspendedStatus">[docs]</a>
|
||
<span class="k">class</span><span class="w"> </span><span class="nc">SuspendedStatus</span><span class="p">:</span>
|
||
<span class="w"> </span><span class="sd">"""Class to handle suspend state."""</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</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">lock</span><span class="p">:</span> <span class="n">threading</span><span class="o">.</span><span class="n">Lock</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Lock</span><span class="p">()</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">continuous_errors</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_end_time</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mi">0</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_reason</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">""</span>
|
||
|
||
<span class="nd">@property</span>
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">is_suspended</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">suspend_end_time</span> <span class="o">>=</span> <span class="n">default_timer</span><span class="p">()</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">suspend</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">suspended_time</span><span class="p">:</span> <span class="nb">int</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> <span class="n">suspend_reason</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
|
||
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">lock</span><span class="p">:</span>
|
||
<span class="c1"># update continuous_errors / suspend_end_time</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">continuous_errors</span> <span class="o">+=</span> <span class="mi">1</span>
|
||
<span class="k">if</span> <span class="n">suspended_time</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
||
<span class="n">max_ban</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">get_setting</span><span class="p">(</span><span class="s2">"search.max_ban_time_on_fail"</span><span class="p">)</span>
|
||
<span class="n">ban_fail</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">get_setting</span><span class="p">(</span><span class="s2">"search.ban_time_on_fail"</span><span class="p">)</span>
|
||
<span class="n">suspended_time</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="n">max_ban</span><span class="p">,</span> <span class="n">ban_fail</span><span class="p">)</span>
|
||
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_end_time</span> <span class="o">=</span> <span class="n">default_timer</span><span class="p">()</span> <span class="o">+</span> <span class="n">suspended_time</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_reason</span> <span class="o">=</span> <span class="n">suspend_reason</span>
|
||
<span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">"Suspend for </span><span class="si">%i</span><span class="s2"> seconds"</span><span class="p">,</span> <span class="n">suspended_time</span><span class="p">)</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">resume</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
<span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">lock</span><span class="p">:</span>
|
||
<span class="c1"># reset the suspend variables</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">continuous_errors</span> <span class="o">=</span> <span class="mi">0</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_end_time</span> <span class="o">=</span> <span class="mi">0</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspend_reason</span> <span class="o">=</span> <span class="s2">""</span></div>
|
||
|
||
|
||
|
||
<div class="viewcode-block" id="EngineProcessor">
|
||
<a class="viewcode-back" href="../../../../src/searx.search.processors.html#searx.search.processors.abstract.EngineProcessor">[docs]</a>
|
||
<span class="k">class</span><span class="w"> </span><span class="nc">EngineProcessor</span><span class="p">(</span><span class="n">ABC</span><span class="p">):</span>
|
||
<span class="w"> </span><span class="sd">"""Base classes used for all types of request processors."""</span>
|
||
|
||
<span class="n">engine_type</span><span class="p">:</span> <span class="nb">str</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="fm">__init__</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="s2">"Engine|types.ModuleType"</span><span class="p">):</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">:</span> <span class="s2">"Engine"</span> <span class="o">=</span> <span class="n">engine</span> <span class="c1"># pyright: ignore[reportAttributeAccessIssue]</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">logger</span><span class="p">:</span> <span class="n">logging</span><span class="o">.</span><span class="n">Logger</span> <span class="o">=</span> <span class="n">engines</span><span class="p">[</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">logger</span>
|
||
<span class="n">key</span> <span class="o">=</span> <span class="n">get_network</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
|
||
<span class="n">key</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="k">if</span> <span class="n">key</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspended_status</span><span class="p">:</span> <span class="n">SuspendedStatus</span> <span class="o">=</span> <span class="n">SUSPENDED_STATUS</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">SuspendedStatus</span><span class="p">())</span>
|
||
|
||
<div class="viewcode-block" id="EngineProcessor.initialize">
|
||
<a class="viewcode-back" href="../../../../src/searx.search.processors.html#searx.search.processors.abstract.EngineProcessor.initialize">[docs]</a>
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">initialize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">callback</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="s2">"EngineProcessor"</span><span class="p">,</span> <span class="nb">bool</span><span class="p">],</span> <span class="nb">bool</span><span class="p">]):</span>
|
||
<span class="w"> </span><span class="sd">"""Initialization of *this* :py:obj:`EngineProcessor`.</span>
|
||
|
||
<span class="sd"> If processor's engine has an ``init`` method, it is called first.</span>
|
||
<span class="sd"> Engine's ``init`` method is executed in a thread, meaning that the</span>
|
||
<span class="sd"> *registration* (the ``callback``) may occur later and is not already</span>
|
||
<span class="sd"> established by the return from this registration method.</span>
|
||
|
||
<span class="sd"> Registration only takes place if the ``init`` method is not available or</span>
|
||
<span class="sd"> is successfully run through.</span>
|
||
<span class="sd"> """</span>
|
||
|
||
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">,</span> <span class="s2">"init"</span><span class="p">):</span>
|
||
<span class="n">callback</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||
<span class="k">return</span>
|
||
|
||
<span class="k">if</span> <span class="ow">not</span> <span class="nb">callable</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">init</span><span class="p">):</span>
|
||
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Engine's init method isn't a callable (is of type: </span><span class="si">%s</span><span class="s2">)."</span><span class="p">,</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">init</span><span class="p">))</span>
|
||
<span class="n">callback</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||
<span class="k">return</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">__init_processor_thread</span><span class="p">():</span>
|
||
<span class="n">eng_ok</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">init_engine</span><span class="p">()</span>
|
||
<span class="n">callback</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">eng_ok</span><span class="p">)</span>
|
||
|
||
<span class="c1"># set up and start a thread</span>
|
||
<span class="n">threading</span><span class="o">.</span><span class="n">Thread</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="n">__init_processor_thread</span><span class="p">,</span> <span class="n">daemon</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="o">.</span><span class="n">start</span><span class="p">()</span></div>
|
||
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">init_engine</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||
<span class="n">eng_setting</span> <span class="o">=</span> <span class="n">get_engine_from_settings</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
|
||
<span class="n">init_ok</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="kc">None</span> <span class="o">=</span> <span class="kc">False</span>
|
||
<span class="k">try</span><span class="p">:</span>
|
||
<span class="n">init_ok</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">init</span><span class="p">(</span><span class="n">eng_setting</span><span class="p">)</span>
|
||
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-except</span>
|
||
<span class="n">logger</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s2">"Init method of engine </span><span class="si">%s</span><span class="s2"> failed due to an exception."</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
|
||
<span class="n">init_ok</span> <span class="o">=</span> <span class="kc">False</span>
|
||
<span class="c1"># In older engines, None is returned from the init method, which is</span>
|
||
<span class="c1"># equivalent to indicating that the initialization was successful.</span>
|
||
<span class="k">if</span> <span class="n">init_ok</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
||
<span class="n">init_ok</span> <span class="o">=</span> <span class="kc">True</span>
|
||
<span class="k">return</span> <span class="n">init_ok</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">handle_exception</span><span class="p">(</span>
|
||
<span class="bp">self</span><span class="p">,</span>
|
||
<span class="n">result_container</span><span class="p">:</span> <span class="s2">"ResultContainer"</span><span class="p">,</span>
|
||
<span class="n">exception_or_message</span><span class="p">:</span> <span class="ne">BaseException</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span>
|
||
<span class="n">suspend</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||
<span class="p">):</span>
|
||
<span class="c1"># update result_container</span>
|
||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">exception_or_message</span><span class="p">,</span> <span class="ne">BaseException</span><span class="p">):</span>
|
||
<span class="n">exception_class</span> <span class="o">=</span> <span class="n">exception_or_message</span><span class="o">.</span><span class="vm">__class__</span>
|
||
<span class="n">module_name</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">exception_class</span><span class="p">,</span> <span class="s1">'__module__'</span><span class="p">,</span> <span class="s1">'builtins'</span><span class="p">)</span>
|
||
<span class="n">module_name</span> <span class="o">=</span> <span class="s1">''</span> <span class="k">if</span> <span class="n">module_name</span> <span class="o">==</span> <span class="s1">'builtins'</span> <span class="k">else</span> <span class="n">module_name</span> <span class="o">+</span> <span class="s1">'.'</span>
|
||
<span class="n">error_message</span> <span class="o">=</span> <span class="n">module_name</span> <span class="o">+</span> <span class="n">exception_class</span><span class="o">.</span><span class="vm">__qualname__</span>
|
||
<span class="k">else</span><span class="p">:</span>
|
||
<span class="n">error_message</span> <span class="o">=</span> <span class="n">exception_or_message</span>
|
||
<span class="n">result_container</span><span class="o">.</span><span class="n">add_unresponsive_engine</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">error_message</span><span class="p">)</span>
|
||
<span class="c1"># metrics</span>
|
||
<span class="n">counter_inc</span><span class="p">(</span><span class="s1">'engine'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="s1">'search'</span><span class="p">,</span> <span class="s1">'count'</span><span class="p">,</span> <span class="s1">'error'</span><span class="p">)</span>
|
||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">exception_or_message</span><span class="p">,</span> <span class="ne">BaseException</span><span class="p">):</span>
|
||
<span class="n">count_exception</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">exception_or_message</span><span class="p">)</span>
|
||
<span class="k">else</span><span class="p">:</span>
|
||
<span class="n">count_error</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">exception_or_message</span><span class="p">)</span>
|
||
<span class="c1"># suspend the engine ?</span>
|
||
<span class="k">if</span> <span class="n">suspend</span><span class="p">:</span>
|
||
<span class="n">suspended_time</span> <span class="o">=</span> <span class="kc">None</span>
|
||
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">exception_or_message</span><span class="p">,</span> <span class="n">SearxEngineAccessDeniedException</span><span class="p">):</span>
|
||
<span class="n">suspended_time</span> <span class="o">=</span> <span class="n">exception_or_message</span><span class="o">.</span><span class="n">suspended_time</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspended_status</span><span class="o">.</span><span class="n">suspend</span><span class="p">(</span><span class="n">suspended_time</span><span class="p">,</span> <span class="n">error_message</span><span class="p">)</span> <span class="c1"># pylint: disable=no-member</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">_extend_container_basic</span><span class="p">(</span>
|
||
<span class="bp">self</span><span class="p">,</span>
|
||
<span class="n">result_container</span><span class="p">:</span> <span class="s2">"ResultContainer"</span><span class="p">,</span>
|
||
<span class="n">start_time</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span>
|
||
<span class="n">search_results</span><span class="p">:</span> <span class="s2">"list[Result | LegacyResult]"</span><span class="p">,</span>
|
||
<span class="p">):</span>
|
||
<span class="c1"># update result_container</span>
|
||
<span class="n">result_container</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">search_results</span><span class="p">)</span>
|
||
<span class="n">engine_time</span> <span class="o">=</span> <span class="n">default_timer</span><span class="p">()</span> <span class="o">-</span> <span class="n">start_time</span>
|
||
<span class="n">page_load_time</span> <span class="o">=</span> <span class="n">get_time_for_thread</span><span class="p">()</span>
|
||
<span class="n">result_container</span><span class="o">.</span><span class="n">add_timing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">engine_time</span><span class="p">,</span> <span class="n">page_load_time</span><span class="p">)</span>
|
||
<span class="c1"># metrics</span>
|
||
<span class="n">counter_inc</span><span class="p">(</span><span class="s1">'engine'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="s1">'search'</span><span class="p">,</span> <span class="s1">'count'</span><span class="p">,</span> <span class="s1">'successful'</span><span class="p">)</span>
|
||
<span class="n">histogram_observe</span><span class="p">(</span><span class="n">engine_time</span><span class="p">,</span> <span class="s1">'engine'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="s1">'time'</span><span class="p">,</span> <span class="s1">'total'</span><span class="p">)</span>
|
||
<span class="k">if</span> <span class="n">page_load_time</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
||
<span class="n">histogram_observe</span><span class="p">(</span><span class="n">page_load_time</span><span class="p">,</span> <span class="s1">'engine'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="s1">'time'</span><span class="p">,</span> <span class="s1">'http'</span><span class="p">)</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">extend_container</span><span class="p">(</span>
|
||
<span class="bp">self</span><span class="p">,</span>
|
||
<span class="n">result_container</span><span class="p">:</span> <span class="s2">"ResultContainer"</span><span class="p">,</span>
|
||
<span class="n">start_time</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span>
|
||
<span class="n">search_results</span><span class="p">:</span> <span class="s2">"list[Result | LegacyResult]|None"</span><span class="p">,</span>
|
||
<span class="p">):</span>
|
||
<span class="k">if</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">threading</span><span class="o">.</span><span class="n">current_thread</span><span class="p">(),</span> <span class="s1">'_timeout'</span><span class="p">,</span> <span class="kc">False</span><span class="p">):</span>
|
||
<span class="c1"># the main thread is not waiting anymore</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">handle_exception</span><span class="p">(</span><span class="n">result_container</span><span class="p">,</span> <span class="s1">'timeout'</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||
<span class="k">else</span><span class="p">:</span>
|
||
<span class="c1"># check if the engine accepted the request</span>
|
||
<span class="k">if</span> <span class="n">search_results</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">_extend_container_basic</span><span class="p">(</span><span class="n">result_container</span><span class="p">,</span> <span class="n">start_time</span><span class="p">,</span> <span class="n">search_results</span><span class="p">)</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">suspended_status</span><span class="o">.</span><span class="n">resume</span><span class="p">()</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">extend_container_if_suspended</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">result_container</span><span class="p">:</span> <span class="s2">"ResultContainer"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">suspended_status</span><span class="o">.</span><span class="n">is_suspended</span><span class="p">:</span>
|
||
<span class="n">result_container</span><span class="o">.</span><span class="n">add_unresponsive_engine</span><span class="p">(</span>
|
||
<span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">suspended_status</span><span class="o">.</span><span class="n">suspend_reason</span><span class="p">,</span> <span class="n">suspended</span><span class="o">=</span><span class="kc">True</span>
|
||
<span class="p">)</span>
|
||
<span class="k">return</span> <span class="kc">True</span>
|
||
<span class="k">return</span> <span class="kc">False</span>
|
||
|
||
<div class="viewcode-block" id="EngineProcessor.get_params">
|
||
<a class="viewcode-back" href="../../../../src/searx.search.processors.html#searx.search.processors.abstract.EngineProcessor.get_params">[docs]</a>
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">get_params</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">search_query</span><span class="p">:</span> <span class="s2">"SearchQuery"</span><span class="p">,</span> <span class="n">engine_category</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">RequestParams</span> <span class="o">|</span> <span class="kc">None</span><span class="p">:</span>
|
||
<span class="w"> </span><span class="sd">"""Returns a dictionary with the :ref:`request parameters <engine</span>
|
||
<span class="sd"> request arguments>` (:py:obj:`RequestParams`), if the search condition</span>
|
||
<span class="sd"> is not supported by the engine, ``None`` is returned:</span>
|
||
|
||
<span class="sd"> - *time range* filter in search conditions, but the engine does not have</span>
|
||
<span class="sd"> a corresponding filter</span>
|
||
<span class="sd"> - page number > 1 when engine does not support paging</span>
|
||
<span class="sd"> - page number > ``max_page``</span>
|
||
|
||
<span class="sd"> """</span>
|
||
<span class="c1"># if paging is not supported, skip</span>
|
||
<span class="k">if</span> <span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span> <span class="o">></span> <span class="mi">1</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">paging</span><span class="p">:</span>
|
||
<span class="k">return</span> <span class="kc">None</span>
|
||
|
||
<span class="c1"># if max page is reached, skip</span>
|
||
<span class="n">max_page</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">max_page</span> <span class="ow">or</span> <span class="n">get_setting</span><span class="p">(</span><span class="s2">"search.max_page"</span><span class="p">)</span>
|
||
<span class="k">if</span> <span class="n">max_page</span> <span class="ow">and</span> <span class="n">max_page</span> <span class="o"><</span> <span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span><span class="p">:</span>
|
||
<span class="k">return</span> <span class="kc">None</span>
|
||
|
||
<span class="c1"># if time_range is not supported, skip</span>
|
||
<span class="k">if</span> <span class="n">search_query</span><span class="o">.</span><span class="n">time_range</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">time_range_support</span><span class="p">:</span>
|
||
<span class="k">return</span> <span class="kc">None</span>
|
||
|
||
<span class="n">params</span><span class="p">:</span> <span class="n">RequestParams</span> <span class="o">=</span> <span class="p">{</span>
|
||
<span class="s2">"query"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">query</span><span class="p">,</span>
|
||
<span class="s2">"category"</span><span class="p">:</span> <span class="n">engine_category</span><span class="p">,</span>
|
||
<span class="s2">"pageno"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">pageno</span><span class="p">,</span>
|
||
<span class="s2">"safesearch"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">safesearch</span><span class="p">,</span>
|
||
<span class="s2">"time_range"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">time_range</span><span class="p">,</span>
|
||
<span class="s2">"engine_data"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">engine_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="p">{}),</span>
|
||
<span class="s2">"searxng_locale"</span><span class="p">:</span> <span class="n">search_query</span><span class="o">.</span><span class="n">lang</span><span class="p">,</span>
|
||
<span class="p">}</span>
|
||
|
||
<span class="c1"># params["language"] is deprecated --> use params["searxng_locale"]</span>
|
||
<span class="c1">#</span>
|
||
<span class="c1"># Conditions related to engine's traits are implemented in engine.traits</span>
|
||
<span class="c1"># module. Don't do "locale" decisions here in the abstract layer of the</span>
|
||
<span class="c1"># search processor, just pass the value from user's choice unchanged to</span>
|
||
<span class="c1"># the engine request.</span>
|
||
|
||
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">,</span> <span class="s2">"language"</span><span class="p">)</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">language</span><span class="p">:</span>
|
||
<span class="n">params</span><span class="p">[</span><span class="s2">"language"</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">language</span> <span class="c1"># pyright: ignore[reportGeneralTypeIssues]</span>
|
||
<span class="k">else</span><span class="p">:</span>
|
||
<span class="n">params</span><span class="p">[</span><span class="s2">"language"</span><span class="p">]</span> <span class="o">=</span> <span class="n">search_query</span><span class="o">.</span><span class="n">lang</span> <span class="c1"># pyright: ignore[reportGeneralTypeIssues]</span>
|
||
|
||
<span class="k">return</span> <span class="n">params</span></div>
|
||
|
||
|
||
<span class="nd">@abstractmethod</span>
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">search</span><span class="p">(</span>
|
||
<span class="bp">self</span><span class="p">,</span>
|
||
<span class="n">query</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span>
|
||
<span class="n">params</span><span class="p">:</span> <span class="n">RequestParams</span><span class="p">,</span>
|
||
<span class="n">result_container</span><span class="p">:</span> <span class="s2">"ResultContainer"</span><span class="p">,</span>
|
||
<span class="n">start_time</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span>
|
||
<span class="n">timeout_limit</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span>
|
||
<span class="p">):</span>
|
||
<span class="k">pass</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">get_tests</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
<span class="c1"># deprecated!</span>
|
||
<span class="k">return</span> <span class="p">{}</span>
|
||
|
||
<span class="k">def</span><span class="w"> </span><span class="nf">get_default_tests</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
<span class="c1"># deprecated!</span>
|
||
<span class="k">return</span> <span class="p">{}</span></div>
|
||
|
||
</pre></div>
|
||
</article>
|
||
</div>
|
||
<footer>
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||
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</div>
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||
<div class="bottom-of-page">
|
||
<div class="left-details">
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||
<div class="copyright">
|
||
Copyright © SearXNG team
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||
</div>
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Made with
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