[feat] engine: support for openlibrary

searx/engines/openlibrary.py

@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+"""Open library (books)
+"""
+from urllib.parse import urlencode
+import re
+
+from dateutil import parser
+
+about = {
+    'website': 'https://openlibrary.org',
+    'wikidata_id': 'Q1201876',
+    'require_api_key': False,
+    'use_official_api': False,
+    'official_api_documentation': 'https://openlibrary.org/developers/api',
+}
+
+paging = True
+categories = []
+
+base_url = "https://openlibrary.org"
+results_per_page = 10
+
+
+def request(query, params):
+    args = {
+        'q': query,
+        'page': params['pageno'],
+        'limit': results_per_page,
+    }
+    params['url'] = f"{base_url}/search.json?{urlencode(args)}"
+    return params
+
+
+def _parse_date(date):
+    try:
+        return parser.parse(date)
+    except parser.ParserError:
+        return None
+
+
+def response(resp):
+    results = []
+
+    for item in resp.json().get("docs", []):
+        cover = None
+        if 'lending_identifier_s' in item:
+            cover = f"https://archive.org/services/img/{item['lending_identifier_s']}"
+
+        published = item.get('publish_date')
+        if published:
+            published_dates = [date for date in map(_parse_date, published) if date]
+            if published_dates:
+                published = min(published_dates)
+
+        if not published:
+            published = parser.parse(str(item.get('first_published_year')))
+
+        result = {
+            'template': 'paper.html',
+            'url': f"{base_url}{item['key']}",
+            'title': item['title'],
+            'content': re.sub(r"\{|\}", "", item['first_sentence'][0]) if item.get('first_sentence') else '',
+            'isbn': item.get('isbn', [])[:5],
+            'authors': item.get('author_name', []),
+            'thumbnail': cover,
+            'publishedDate': published,
+            'tags': item.get('subject', [])[:10] + item.get('place', [])[:10],
+        }
+        results.append(result)
+
+    return results

searx/settings.yml

@@ -1283,6 +1283,12 @@ engines:
       require_api_key: false
       results: JSON
 
+  - name: openlibrary
+    engine: openlibrary
+    shortcut: ol
+    timeout: 5
+    disabled: true
+
   - name: openmeteo
     engine: open_meteo
     shortcut: om