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<h1>Source code for searx.engines.tineye</h1><div class="highlight"><pre>
<span></span><span class="c1"># SPDX-License-Identifier: AGPL-3.0-or-later</span>
<span class="sd">&quot;&quot;&quot;This engine implements *Tineye - reverse image search*</span>
<span class="sd">Using TinEye, you can search by image or perform what we call a reverse image</span>
<span class="sd">search. You can do that by uploading an image or searching by URL. You can also</span>
<span class="sd">simply drag and drop your images to start your search. TinEye constantly crawls</span>
<span class="sd">the web and adds images to its index. Today, the TinEye index is over 50.2</span>
<span class="sd">billion images `[tineye.com] &lt;https://tineye.com/how&gt;`_.</span>
<span class="sd">.. hint::</span>
<span class="sd"> This SearXNG engine only supports *&#39;searching by URL&#39;* and it does not use</span>
<span class="sd"> the official API `[api.tineye.com] &lt;https://api.tineye.com/python/docs/&gt;`_.</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="kn">from</span> <span class="nn">urllib.parse</span> <span class="kn">import</span> <span class="n">urlencode</span>
<span class="kn">from</span> <span class="nn">datetime</span> <span class="kn">import</span> <span class="n">datetime</span>
<span class="kn">from</span> <span class="nn">flask_babel</span> <span class="kn">import</span> <span class="n">gettext</span>
<span class="n">about</span> <span class="o">=</span> <span class="p">{</span>
<span class="s2">&quot;website&quot;</span><span class="p">:</span> <span class="s1">&#39;https://tineye.com&#39;</span><span class="p">,</span>
<span class="s2">&quot;wikidata_id&quot;</span><span class="p">:</span> <span class="s1">&#39;Q2382535&#39;</span><span class="p">,</span>
<span class="s2">&quot;official_api_documentation&quot;</span><span class="p">:</span> <span class="s1">&#39;https://api.tineye.com/python/docs/&#39;</span><span class="p">,</span>
<span class="s2">&quot;use_official_api&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s2">&quot;require_api_key&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s2">&quot;results&quot;</span><span class="p">:</span> <span class="s1">&#39;JSON&#39;</span><span class="p">,</span>
<span class="p">}</span>
<span class="n">engine_type</span> <span class="o">=</span> <span class="s1">&#39;online_url_search&#39;</span>
<span class="sd">&quot;&quot;&quot;:py:obj:`searx.search.processors.online_url_search`&quot;&quot;&quot;</span>
<span class="n">categories</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;general&#39;</span><span class="p">]</span>
<span class="n">paging</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">safesearch</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">base_url</span> <span class="o">=</span> <span class="s1">&#39;https://tineye.com&#39;</span>
<span class="n">search_string</span> <span class="o">=</span> <span class="s1">&#39;/result_json/?page=</span><span class="si">{page}</span><span class="s1">&amp;</span><span class="si">{query}</span><span class="s1">&#39;</span>
<span class="n">FORMAT_NOT_SUPPORTED</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span>
<span class="s2">&quot;Could not read that image url. This may be due to an unsupported file&quot;</span>
<span class="s2">&quot; format. TinEye only supports images that are JPEG, PNG, GIF, BMP, TIFF or WebP.&quot;</span>
<span class="p">)</span>
<span class="sd">&quot;&quot;&quot;TinEye error message&quot;&quot;&quot;</span>
<span class="n">NO_SIGNATURE_ERROR</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span>
<span class="s2">&quot;The image is too simple to find matches. TinEye requires a basic level of&quot;</span>
<span class="s2">&quot; visual detail to successfully identify matches.&quot;</span>
<span class="p">)</span>
<span class="sd">&quot;&quot;&quot;TinEye error message&quot;&quot;&quot;</span>
<span class="n">DOWNLOAD_ERROR</span> <span class="o">=</span> <span class="n">gettext</span><span class="p">(</span><span class="s2">&quot;The image could not be downloaded.&quot;</span><span class="p">)</span>
<span class="sd">&quot;&quot;&quot;TinEye error message&quot;&quot;&quot;</span>
<div class="viewcode-block" id="request">
<a class="viewcode-back" href="../../../dev/engines/online_url_search/tineye.html#searx.engines.tineye.request">[docs]</a>
<span class="k">def</span> <span class="nf">request</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">params</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Build TinEye HTTP request using ``search_urls`` of a :py:obj:`engine_type`.&quot;&quot;&quot;</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;raise_for_httperror&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">if</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;search_urls&#39;</span><span class="p">][</span><span class="s1">&#39;data:image&#39;</span><span class="p">]:</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;search_urls&#39;</span><span class="p">][</span><span class="s1">&#39;data:image&#39;</span><span class="p">]</span>
<span class="k">elif</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;search_urls&#39;</span><span class="p">][</span><span class="s1">&#39;http&#39;</span><span class="p">]:</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">params</span><span class="p">[</span><span class="s1">&#39;search_urls&#39;</span><span class="p">][</span><span class="s1">&#39;http&#39;</span><span class="p">]</span>
<span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;query URL: </span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">urlencode</span><span class="p">({</span><span class="s1">&#39;url&#39;</span><span class="p">:</span> <span class="n">query</span><span class="p">})</span>
<span class="c1"># see https://github.com/TinEye/pytineye/blob/main/pytineye/api.py</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;url&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">base_url</span> <span class="o">+</span> <span class="n">search_string</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">query</span><span class="o">=</span><span class="n">query</span><span class="p">,</span> <span class="n">page</span><span class="o">=</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;pageno&#39;</span><span class="p">])</span>
<span class="n">params</span><span class="p">[</span><span class="s1">&#39;headers&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span>
<span class="p">{</span>
<span class="s1">&#39;Connection&#39;</span><span class="p">:</span> <span class="s1">&#39;keep-alive&#39;</span><span class="p">,</span>
<span class="s1">&#39;Accept-Encoding&#39;</span><span class="p">:</span> <span class="s1">&#39;gzip, defalte, br&#39;</span><span class="p">,</span>
<span class="s1">&#39;Host&#39;</span><span class="p">:</span> <span class="s1">&#39;tineye.com&#39;</span><span class="p">,</span>
<span class="s1">&#39;DNT&#39;</span><span class="p">:</span> <span class="s1">&#39;1&#39;</span><span class="p">,</span>
<span class="s1">&#39;TE&#39;</span><span class="p">:</span> <span class="s1">&#39;trailers&#39;</span><span class="p">,</span>
<span class="p">}</span>
<span class="p">)</span>
<span class="k">return</span> <span class="n">params</span></div>
<div class="viewcode-block" id="parse_tineye_match">
<a class="viewcode-back" href="../../../dev/engines/online_url_search/tineye.html#searx.engines.tineye.parse_tineye_match">[docs]</a>
<span class="k">def</span> <span class="nf">parse_tineye_match</span><span class="p">(</span><span class="n">match_json</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Takes parsed JSON from the API server and turns it into a :py:obj:`dict`</span>
<span class="sd"> object.</span>
<span class="sd"> Attributes `(class Match) &lt;https://github.com/TinEye/pytineye/blob/main/pytineye/api.py&gt;`__</span>
<span class="sd"> - `image_url`, link to the result image.</span>
<span class="sd"> - `domain`, domain this result was found on.</span>
<span class="sd"> - `score`, a number (0 to 100) that indicates how closely the images match.</span>
<span class="sd"> - `width`, image width in pixels.</span>
<span class="sd"> - `height`, image height in pixels.</span>
<span class="sd"> - `size`, image area in pixels.</span>
<span class="sd"> - `format`, image format.</span>
<span class="sd"> - `filesize`, image size in bytes.</span>
<span class="sd"> - `overlay`, overlay URL.</span>
<span class="sd"> - `tags`, whether this match belongs to a collection or stock domain.</span>
<span class="sd"> - `backlinks`, a list of Backlink objects pointing to the original websites</span>
<span class="sd"> and image URLs. List items are instances of :py:obj:`dict`, (`Backlink</span>
<span class="sd"> &lt;https://github.com/TinEye/pytineye/blob/main/pytineye/api.py&gt;`__):</span>
<span class="sd"> - `url`, the image URL to the image.</span>
<span class="sd"> - `backlink`, the original website URL.</span>
<span class="sd"> - `crawl_date`, the date the image was crawled.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c1"># HINT: there exists an alternative backlink dict in the domains list / e.g.::</span>
<span class="c1">#</span>
<span class="c1"># match_json[&#39;domains&#39;][0][&#39;backlinks&#39;]</span>
<span class="n">backlinks</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">if</span> <span class="s2">&quot;backlinks&quot;</span> <span class="ow">in</span> <span class="n">match_json</span><span class="p">:</span>
<span class="k">for</span> <span class="n">backlink_json</span> <span class="ow">in</span> <span class="n">match_json</span><span class="p">[</span><span class="s2">&quot;backlinks&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">backlink_json</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
<span class="k">continue</span>
<span class="n">crawl_date</span> <span class="o">=</span> <span class="n">backlink_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;crawl_date&quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="n">crawl_date</span><span class="p">:</span>
<span class="n">crawl_date</span> <span class="o">=</span> <span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">crawl_date</span><span class="p">[:</span><span class="o">-</span><span class="mi">3</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">crawl_date</span> <span class="o">=</span> <span class="n">datetime</span><span class="o">.</span><span class="n">min</span>
<span class="n">backlinks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="p">{</span>
<span class="s1">&#39;url&#39;</span><span class="p">:</span> <span class="n">backlink_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;url&quot;</span><span class="p">),</span>
<span class="s1">&#39;backlink&#39;</span><span class="p">:</span> <span class="n">backlink_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;backlink&quot;</span><span class="p">),</span>
<span class="s1">&#39;crawl_date&#39;</span><span class="p">:</span> <span class="n">crawl_date</span><span class="p">,</span>
<span class="s1">&#39;image_name&#39;</span><span class="p">:</span> <span class="n">backlink_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;image_name&quot;</span><span class="p">),</span>
<span class="p">}</span>
<span class="p">)</span>
<span class="k">return</span> <span class="p">{</span>
<span class="s1">&#39;image_url&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;image_url&quot;</span><span class="p">),</span>
<span class="s1">&#39;domain&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;domain&quot;</span><span class="p">),</span>
<span class="s1">&#39;score&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;score&quot;</span><span class="p">),</span>
<span class="s1">&#39;width&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;width&quot;</span><span class="p">),</span>
<span class="s1">&#39;height&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;height&quot;</span><span class="p">),</span>
<span class="s1">&#39;size&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;size&quot;</span><span class="p">),</span>
<span class="s1">&#39;image_format&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;format&quot;</span><span class="p">),</span>
<span class="s1">&#39;filesize&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;filesize&quot;</span><span class="p">),</span>
<span class="s1">&#39;overlay&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;overlay&quot;</span><span class="p">),</span>
<span class="s1">&#39;tags&#39;</span><span class="p">:</span> <span class="n">match_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;tags&quot;</span><span class="p">),</span>
<span class="s1">&#39;backlinks&#39;</span><span class="p">:</span> <span class="n">backlinks</span><span class="p">,</span>
<span class="p">}</span></div>
<div class="viewcode-block" id="response">
<a class="viewcode-back" href="../../../dev/engines/online_url_search/tineye.html#searx.engines.tineye.response">[docs]</a>
<span class="k">def</span> <span class="nf">response</span><span class="p">(</span><span class="n">resp</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Parse HTTP response from TinEye.&quot;&quot;&quot;</span>
<span class="n">results</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">json_data</span> <span class="o">=</span> <span class="n">resp</span><span class="o">.</span><span class="n">json</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">exc</span><span class="p">:</span> <span class="c1"># pylint: disable=broad-except</span>
<span class="n">msg</span> <span class="o">=</span> <span class="s2">&quot;can&#39;t parse JSON response // </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">exc</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="n">json_data</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;error&#39;</span><span class="p">:</span> <span class="n">msg</span><span class="p">}</span>
<span class="c1"># handle error codes from Tineye</span>
<span class="k">if</span> <span class="n">resp</span><span class="o">.</span><span class="n">is_error</span><span class="p">:</span>
<span class="k">if</span> <span class="n">resp</span><span class="o">.</span><span class="n">status_code</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">400</span><span class="p">,</span> <span class="mi">422</span><span class="p">):</span>
<span class="n">message</span> <span class="o">=</span> <span class="s1">&#39;HTTP status: </span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">resp</span><span class="o">.</span><span class="n">status_code</span>
<span class="n">error</span> <span class="o">=</span> <span class="n">json_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;error&#39;</span><span class="p">)</span>
<span class="n">s_key</span> <span class="o">=</span> <span class="n">json_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;suggestions&#39;</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;key&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">)</span>
<span class="k">if</span> <span class="n">error</span> <span class="ow">and</span> <span class="n">s_key</span><span class="p">:</span>
<span class="n">message</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="si">%s</span><span class="s2"> (</span><span class="si">%s</span><span class="s2">)&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">error</span><span class="p">,</span> <span class="n">s_key</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">error</span><span class="p">:</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">error</span>
<span class="k">if</span> <span class="n">s_key</span> <span class="o">==</span> <span class="s2">&quot;Invalid image URL&quot;</span><span class="p">:</span>
<span class="c1"># test https://docs.searxng.org/_static/searxng-wordmark.svg</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">FORMAT_NOT_SUPPORTED</span>
<span class="k">elif</span> <span class="n">s_key</span> <span class="o">==</span> <span class="s1">&#39;NO_SIGNATURE_ERROR&#39;</span><span class="p">:</span>
<span class="c1"># test https://pngimg.com/uploads/dot/dot_PNG4.png</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">NO_SIGNATURE_ERROR</span>
<span class="k">elif</span> <span class="n">s_key</span> <span class="o">==</span> <span class="s1">&#39;Download Error&#39;</span><span class="p">:</span>
<span class="c1"># test https://notexists</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">DOWNLOAD_ERROR</span>
<span class="c1"># see https://github.com/searxng/searxng/pull/1456#issuecomment-1193105023</span>
<span class="c1"># results.append({&#39;answer&#39;: message})</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">message</span><span class="p">)</span>
<span class="k">return</span> <span class="n">results</span>
<span class="n">resp</span><span class="o">.</span><span class="n">raise_for_status</span><span class="p">()</span>
<span class="c1"># append results from matches</span>
<span class="k">for</span> <span class="n">match_json</span> <span class="ow">in</span> <span class="n">json_data</span><span class="p">[</span><span class="s1">&#39;matches&#39;</span><span class="p">]:</span>
<span class="n">tineye_match</span> <span class="o">=</span> <span class="n">parse_tineye_match</span><span class="p">(</span><span class="n">match_json</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;backlinks&#39;</span><span class="p">]:</span>
<span class="k">continue</span>
<span class="n">backlink</span> <span class="o">=</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;backlinks&#39;</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span>
<span class="n">results</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="p">{</span>
<span class="s1">&#39;template&#39;</span><span class="p">:</span> <span class="s1">&#39;images.html&#39;</span><span class="p">,</span>
<span class="s1">&#39;url&#39;</span><span class="p">:</span> <span class="n">backlink</span><span class="p">[</span><span class="s1">&#39;backlink&#39;</span><span class="p">],</span>
<span class="s1">&#39;thumbnail_src&#39;</span><span class="p">:</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;image_url&#39;</span><span class="p">],</span>
<span class="s1">&#39;source&#39;</span><span class="p">:</span> <span class="n">backlink</span><span class="p">[</span><span class="s1">&#39;url&#39;</span><span class="p">],</span>
<span class="s1">&#39;title&#39;</span><span class="p">:</span> <span class="n">backlink</span><span class="p">[</span><span class="s1">&#39;image_name&#39;</span><span class="p">],</span>
<span class="s1">&#39;img_src&#39;</span><span class="p">:</span> <span class="n">backlink</span><span class="p">[</span><span class="s1">&#39;url&#39;</span><span class="p">],</span>
<span class="s1">&#39;format&#39;</span><span class="p">:</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;image_format&#39;</span><span class="p">],</span>
<span class="s1">&#39;widht&#39;</span><span class="p">:</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;width&#39;</span><span class="p">],</span>
<span class="s1">&#39;height&#39;</span><span class="p">:</span> <span class="n">tineye_match</span><span class="p">[</span><span class="s1">&#39;height&#39;</span><span class="p">],</span>
<span class="s1">&#39;publishedDate&#39;</span><span class="p">:</span> <span class="n">backlink</span><span class="p">[</span><span class="s1">&#39;crawl_date&#39;</span><span class="p">],</span>
<span class="p">}</span>
<span class="p">)</span>
<span class="c1"># append number of results</span>
<span class="n">number_of_results</span> <span class="o">=</span> <span class="n">json_data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;num_matches&#39;</span><span class="p">)</span>
<span class="k">if</span> <span class="n">number_of_results</span><span class="p">:</span>
<span class="n">results</span><span class="o">.</span><span class="n">append</span><span class="p">({</span><span class="s1">&#39;number_of_results&#39;</span><span class="p">:</span> <span class="n">number_of_results</span><span class="p">})</span>
<span class="k">return</span> <span class="n">results</span></div>
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