Add nibl search engine

Dockerfile

@@ -22,4 +22,7 @@ WORKDIR /searx
 RUN sed -i -e 's/default_on = False/default_on = True/' searx/plugins/oa_doi_rewrite.py \
     && sed -i -e 's/oadoi.org/sci-hub.tw/' searx/preferences.py
 
+COPY engines/* searx/engines/
+COPY result_templates/* searx/templates/oscar/result_templates/
+
 ENTRYPOINT ["tini", "--", "gunicorn", "searx.webapp", "--bind", "[::]:8000", "-w", "4"]

engines/nibl.py

@@ -0,0 +1,28 @@
+from lxml import html
+from searx.engines.xpath import extract_text
+from searx.url_utils import quote
+
+url = 'https://nibl.co.uk/bots.php'
+search_url = url + '?search={query}'
+
+def request(query, params):
+    params['url'] = search_url.format(query=quote(query))
+
+    return params
+
+def response(resp):
+    results = []
+
+    dom = html.fromstring(resp.text.encode('utf-8'))
+
+    for result in dom.xpath('//tr[starts-with(@class, "botlistitem")]'):
+        filename = extract_text(result.xpath('td[@class="filename"]/text()'))
+        href = url + result.xpath('td[@class="filename"]/a/@href')[0]
+        filesize = result.xpath('td[@class="filesize"]/text()')[0]
+
+        results.append({'url': href,
+                        'title': filename,
+                        'filesize': filesize,
+                        'template': 'file.html'})
+
+    return results

result_templates/file.html

@@ -0,0 +1,15 @@
+{% from 'oscar/macros.html' import result_header, result_sub_header, result_footer, result_footer_rtl, icon %}
+
+{{ result_header(result, favicons) }}
+{{ result_sub_header(result) }}
+
+{% if result.filesize %}<br />{{ icon('floppy-disk') }} {{ _('Filesize') }}
+<span class="badge">
+  {{ result.filesize }}
+</span>{% endif %}
+
+{% if rtl %}
+{{ result_footer_rtl(result) }}
+{% else %}
+{{ result_footer(result) }}
+{% endif %}