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<h1>Source code for searx.exceptions</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="sd">"""Exception types raised by SearXNG modules.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Optional</span><span class="p">,</span> <span class="n">Union</span>
<div class="viewcode-block" id="SearxException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxException</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Base SearXNG exception."""</span></div>
<div class="viewcode-block" id="SearxParameterException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxParameterException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxParameterException</span><span class="p">(</span><span class="n">SearxException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Raised when query miss a required parameter"""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="k">if</span> <span class="n">value</span> <span class="o">==</span> <span class="s1">''</span> <span class="ow">or</span> <span class="n">value</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">message</span> <span class="o">=</span> <span class="s1">'Empty '</span> <span class="o">+</span> <span class="n">name</span> <span class="o">+</span> <span class="s1">' parameter'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">message</span> <span class="o">=</span> <span class="s1">'Invalid value "'</span> <span class="o">+</span> <span class="n">value</span> <span class="o">+</span> <span class="s1">'" for parameter '</span> <span class="o">+</span> <span class="n">name</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span>
<span class="bp">self</span><span class="o">.</span><span class="n">parameter_name</span> <span class="o">=</span> <span class="n">name</span>
<span class="bp">self</span><span class="o">.</span><span class="n">parameter_value</span> <span class="o">=</span> <span class="n">value</span></div>
<div class="viewcode-block" id="SearxSettingsException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxSettingsException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxSettingsException</span><span class="p">(</span><span class="n">SearxException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Error while loading the settings"""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">message</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="ne">Exception</span><span class="p">],</span> <span class="n">filename</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span>
<span class="bp">self</span><span class="o">.</span><span class="n">filename</span> <span class="o">=</span> <span class="n">filename</span></div>
<div class="viewcode-block" id="SearxEngineException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineException</span><span class="p">(</span><span class="n">SearxException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Error inside an engine"""</span></div>
<div class="viewcode-block" id="SearxXPathSyntaxException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxXPathSyntaxException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxXPathSyntaxException</span><span class="p">(</span><span class="n">SearxEngineException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Syntax error in a XPATH"""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xpath_spec</span><span class="p">,</span> <span class="n">message</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">xpath_spec</span><span class="p">)</span> <span class="o">+</span> <span class="s2">" "</span> <span class="o">+</span> <span class="n">message</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span>
<span class="c1"># str(xpath_spec) to deal with str and XPath instance</span>
<span class="bp">self</span><span class="o">.</span><span class="n">xpath_str</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">xpath_spec</span><span class="p">)</span></div>
<div class="viewcode-block" id="SearxEngineResponseException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineResponseException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineResponseException</span><span class="p">(</span><span class="n">SearxEngineException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Impossible to parse the result of an engine"""</span></div>
<div class="viewcode-block" id="SearxEngineAPIException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineAPIException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineAPIException</span><span class="p">(</span><span class="n">SearxEngineResponseException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""The website has returned an application error"""</span></div>
<div class="viewcode-block" id="SearxEngineAccessDeniedException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineAccessDeniedException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineAccessDeniedException</span><span class="p">(</span><span class="n">SearxEngineResponseException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""The website is blocking the access"""</span>
<span class="n">SUSPEND_TIME_SETTING</span> <span class="o">=</span> <span class="s2">"search.suspended_times.SearxEngineAccessDenied"</span>
<span class="w"> </span><span class="sd">"""This settings contains the default suspended time (default 86400 sec / 1</span>
<span class="sd"> day)."""</span>
<span class="k">def</span> <span class="fm">__init__</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">message</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">'Access denied'</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Generic exception to raise when an engine denies access to the results.</span>
<span class="sd"> :param suspended_time: How long the engine is going to be suspended in</span>
<span class="sd"> second. Defaults to None.</span>
<span class="sd"> :type suspended_time: int, None</span>
<span class="sd"> :param message: Internal message. Defaults to ``Access denied``</span>
<span class="sd"> :type message: str</span>
<span class="sd"> """</span>
<span class="n">suspended_time</span> <span class="o">=</span> <span class="n">suspended_time</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_default_suspended_time</span><span class="p">()</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span> <span class="o">+</span> <span class="s1">', suspended_time='</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">suspended_time</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">suspended_time</span> <span class="o">=</span> <span class="n">suspended_time</span>
<span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span>
<span class="k">def</span> <span class="nf">_get_default_suspended_time</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">searx</span> <span class="kn">import</span> <span class="n">get_setting</span> <span class="c1"># pylint: disable=C0415</span>
<span class="k">return</span> <span class="n">get_setting</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">SUSPEND_TIME_SETTING</span><span class="p">)</span></div>
<div class="viewcode-block" id="SearxEngineCaptchaException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineCaptchaException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineCaptchaException</span><span class="p">(</span><span class="n">SearxEngineAccessDeniedException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""The website has returned a CAPTCHA."""</span>
<span class="n">SUSPEND_TIME_SETTING</span> <span class="o">=</span> <span class="s2">"search.suspended_times.SearxEngineCaptcha"</span>
<span class="w"> </span><span class="sd">"""This settings contains the default suspended time (default 86400 sec / 1</span>
<span class="sd"> day)."""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">suspended_time</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="s1">'CAPTCHA'</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span><span class="o">=</span><span class="n">message</span><span class="p">,</span> <span class="n">suspended_time</span><span class="o">=</span><span class="n">suspended_time</span><span class="p">)</span></div>
<div class="viewcode-block" id="SearxEngineTooManyRequestsException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineTooManyRequestsException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineTooManyRequestsException</span><span class="p">(</span><span class="n">SearxEngineAccessDeniedException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""The website has returned a Too Many Request status code</span>
<span class="sd"> By default, searx stops sending requests to this engine for 1 hour.</span>
<span class="sd"> """</span>
<span class="n">SUSPEND_TIME_SETTING</span> <span class="o">=</span> <span class="s2">"search.suspended_times.SearxEngineTooManyRequests"</span>
<span class="w"> </span><span class="sd">"""This settings contains the default suspended time (default 3660 sec / 1</span>
<span class="sd"> hour)."""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">suspended_time</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="s1">'Too many request'</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span><span class="o">=</span><span class="n">message</span><span class="p">,</span> <span class="n">suspended_time</span><span class="o">=</span><span class="n">suspended_time</span><span class="p">)</span></div>
<div class="viewcode-block" id="SearxEngineXPathException">
<a class="viewcode-back" href="../../src/searx.exceptions.html#searx.exceptions.SearxEngineXPathException">[docs]</a>
<span class="k">class</span> <span class="nc">SearxEngineXPathException</span><span class="p">(</span><span class="n">SearxEngineResponseException</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""Error while getting the result of an XPath expression"""</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xpath_spec</span><span class="p">,</span> <span class="n">message</span><span class="p">):</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">xpath_spec</span><span class="p">)</span> <span class="o">+</span> <span class="s2">" "</span> <span class="o">+</span> <span class="n">message</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span>
<span class="c1"># str(xpath_spec) to deal with str and XPath instance</span>
<span class="bp">self</span><span class="o">.</span><span class="n">xpath_str</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">xpath_spec</span><span class="p">)</span></div>
</pre></div>
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