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  <h1>Source code for searx.favicons.config</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="c1"># pylint: disable=missing-module-docstring</span>

<span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span>

<span class="kn">import</span> <span class="nn">pathlib</span>
<span class="kn">import</span> <span class="nn">msgspec</span>

<span class="kn">from</span> <span class="nn">.cache</span> <span class="kn">import</span> <span class="n">FaviconCacheConfig</span>
<span class="kn">from</span> <span class="nn">.proxy</span> <span class="kn">import</span> <span class="n">FaviconProxyConfig</span>

<span class="n">CONFIG_SCHEMA</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">1</span>
<span class="sd">&quot;&quot;&quot;Version of the configuration schema.&quot;&quot;&quot;</span>

<span class="n">TOML_CACHE_CFG</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="s2">&quot;FaviconConfig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span>
<span class="sd">&quot;&quot;&quot;Cache config objects by TOML&#39;s filename.&quot;&quot;&quot;</span>

<span class="n">DEFAULT_CFG_TOML_PATH</span> <span class="o">=</span> <span class="n">pathlib</span><span class="o">.</span><span class="n">Path</span><span class="p">(</span><span class="vm">__file__</span><span class="p">)</span><span class="o">.</span><span class="n">parent</span> <span class="o">/</span> <span class="s2">&quot;favicons.toml&quot;</span>


<div class="viewcode-block" id="FaviconConfig">
<a class="viewcode-back" href="../../../src/searx.favicons.html#searx.favicons.config.FaviconConfig">[docs]</a>
<span class="k">class</span> <span class="nc">FaviconConfig</span><span class="p">(</span><span class="n">msgspec</span><span class="o">.</span><span class="n">Struct</span><span class="p">):</span>  <span class="c1"># pylint: disable=too-few-public-methods</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot;The class aggregates configurations of the favicon tools&quot;&quot;&quot;</span>

    <span class="n">cfg_schema</span><span class="p">:</span> <span class="nb">int</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot;Config&#39;s schema version.  The specification of the version of the schema</span>
<span class="sd">    is mandatory, currently only version :py:obj:`CONFIG_SCHEMA` is supported.</span>
<span class="sd">    By specifying a version, it is possible to ensure downward compatibility in</span>
<span class="sd">    the event of future changes to the configuration schema&quot;&quot;&quot;</span>

    <span class="n">cache</span><span class="p">:</span> <span class="n">FaviconCacheConfig</span> <span class="o">=</span> <span class="n">msgspec</span><span class="o">.</span><span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="n">FaviconCacheConfig</span><span class="p">)</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot;Setup of the :py:obj:`.cache.FaviconCacheConfig`.&quot;&quot;&quot;</span>

    <span class="n">proxy</span><span class="p">:</span> <span class="n">FaviconProxyConfig</span> <span class="o">=</span> <span class="n">msgspec</span><span class="o">.</span><span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="n">FaviconProxyConfig</span><span class="p">)</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot;Setup of the :py:obj:`.proxy.FaviconProxyConfig`.&quot;&quot;&quot;</span>

<div class="viewcode-block" id="FaviconConfig.from_toml_file">
<a class="viewcode-back" href="../../../src/searx.favicons.html#searx.favicons.config.FaviconConfig.from_toml_file">[docs]</a>
    <span class="nd">@classmethod</span>
    <span class="k">def</span> <span class="nf">from_toml_file</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">cfg_file</span><span class="p">:</span> <span class="n">pathlib</span><span class="o">.</span><span class="n">Path</span><span class="p">,</span> <span class="n">use_cache</span><span class="p">:</span> <span class="nb">bool</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="s2">&quot;FaviconConfig&quot;</span><span class="p">:</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a config object from a TOML file, the ``use_cache`` argument</span>
<span class="sd">        specifies whether a cache should be used.</span>
<span class="sd">        &quot;&quot;&quot;</span>

        <span class="n">cached</span> <span class="o">=</span> <span class="n">TOML_CACHE_CFG</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">cfg_file</span><span class="p">))</span>
        <span class="k">if</span> <span class="n">use_cache</span> <span class="ow">and</span> <span class="n">cached</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">cached</span>

        <span class="k">with</span> <span class="n">cfg_file</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="s2">&quot;rb&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
            <span class="n">data</span> <span class="o">=</span> <span class="n">f</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>

        <span class="n">cfg</span> <span class="o">=</span> <span class="n">msgspec</span><span class="o">.</span><span class="n">toml</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="n">_FaviconConfig</span><span class="p">)</span>
        <span class="n">schema</span> <span class="o">=</span> <span class="n">cfg</span><span class="o">.</span><span class="n">favicons</span><span class="o">.</span><span class="n">cfg_schema</span>
        <span class="k">if</span> <span class="n">schema</span> <span class="o">!=</span> <span class="n">CONFIG_SCHEMA</span><span class="p">:</span>
            <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
                <span class="sa">f</span><span class="s2">&quot;config schema version </span><span class="si">{</span><span class="n">CONFIG_SCHEMA</span><span class="si">}</span><span class="s2"> is needed, version </span><span class="si">{</span><span class="n">schema</span><span class="si">}</span><span class="s2"> is given in </span><span class="si">{</span><span class="n">cfg_file</span><span class="si">}</span><span class="s2">&quot;</span>
            <span class="p">)</span>

        <span class="n">cfg</span> <span class="o">=</span> <span class="n">cfg</span><span class="o">.</span><span class="n">favicons</span>
        <span class="k">if</span> <span class="n">use_cache</span> <span class="ow">and</span> <span class="n">cached</span><span class="p">:</span>
            <span class="n">TOML_CACHE_CFG</span><span class="p">[</span><span class="nb">str</span><span class="p">(</span><span class="n">cfg_file</span><span class="o">.</span><span class="n">resolve</span><span class="p">())]</span> <span class="o">=</span> <span class="n">cfg</span>

        <span class="k">return</span> <span class="n">cfg</span></div>
</div>


<span class="k">class</span> <span class="nc">_FaviconConfig</span><span class="p">(</span><span class="n">msgspec</span><span class="o">.</span><span class="n">Struct</span><span class="p">):</span>  <span class="c1"># pylint: disable=too-few-public-methods</span>
    <span class="c1"># wrapper struct for root object &quot;favicons.&quot;</span>
    <span class="n">favicons</span><span class="p">:</span> <span class="n">FaviconConfig</span>
</pre></div>

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