add ebay enginte to shopping category

searx/engines/ebay.py

+#  Ebay (Videos, Music, Files)
+#
+# @website     https://www.ebay.com
+# @provide-api no (nothing found)
+#
+# @using-api   no
+# @results     HTML (using search portal)
+# @stable      yes (HTML can change)
+# @parse       url, title, content, price, shipping, source
+
+from lxml import html
+from searx.engines.xpath import extract_text
+from searx.url_utils import quote
+
+categories = ['shopping']
+paging = True
+
+url = 'https://www.ebay.com'
+search_url = url + '/sch/i.html?_nkw={query}&_pgn={pageno}'
+
+results_xpath = '//li[contains(@class, "lvresult")]'
+url_xpath = './h3[@class="lvtitle"]/a/@href'
+title_xpath = './h3[@class="lvtitle"]/a/text()'
+content_xpath = './div[@class="lvsubtitle"]/text()'
+price_xpath = './ul[@class="lvprices left space-zero"]/li[@class="lvprice prc"][1]/span[@class="bold"]'
+shipping_xpath = './ul[@class="lvprices left space-zero"]/li[@class="lvshipping"]/span[@class="ship"]/span/span/text()'
+source_country_xpath = './ul[contains(@class, "lvdetails")]/li[1]'
+thumbnail_xpath = './div[contains(@class, "lvpic")]//img/@src'
+
+
+def request(query, params):
+    params['url'] = search_url.format(query=quote(query), pageno=params['pageno'])
+    return params
+
+
+def response(resp):
+    results = []
+
+    dom = html.fromstring(resp.text)
+    results_dom = dom.xpath(results_xpath)
+    if not results_dom:
+        return []
+
+    for result_dom in results_dom:
+        url = extract_text(result_dom.xpath(url_xpath))
+        title = extract_text(result_dom.xpath(title_xpath))
+        content = extract_text(result_dom.xpath(content_xpath))
+        price = extract_text(result_dom.xpath(price_xpath))
+        shipping = extract_text(result_dom.xpath(shipping_xpath))
+        source_country = extract_text(result_dom.xpath(source_country_xpath))
+        thumbnail = extract_text(result_dom.xpath(thumbnail_xpath))
+
+        results.append({
+            'url': url, 
+            'title': title, 
+            'content': content, 
+            'price': price, 
+            'shipping': shipping, 
+            'source_country': source_country, 
+            'thumbnail': thumbnail, 
+            'template': 'products.html',
+
+        })
+
+    return results

searx/settings.yml

     shortcut : et
     disabled : True
 
+  - name : ebay
+    engine : ebay
+    shortcut : eb
+    disabled : True
+    timeout: 5
+
   - name : faroo
     engine : faroo
     shortcut : fa