#  Piratebay (Videos, Music, Files)
#
# @website     https://thepiratebay.se
# @provide-api no (nothing found)
#
# @using-api   no
# @results     HTML (using search portal)
# @stable      yes (HTML can change)
# @parse       url, title, content, seed, leech, magnetlink

from lxml import html
from operator import itemgetter
from searx.engines.xpath import extract_text
from searx.url_utils import quote, urljoin

# engine dependent config
categories = ['videos', 'music', 'files']
paging = True

# search-url
url = 'https://thepiratebay.se/'
search_url = url + 'search/{search_term}/{pageno}/99/{search_type}'

# piratebay specific type-definitions
search_types = {'files': '0',
                'music': '100',
                'videos': '200'}

# specific xpath variables
magnet_xpath = './/a[@title="Download this torrent using magnet"]'
torrent_xpath = './/a[@title="Download this torrent"]'
content_xpath = './/font[@class="detDesc"]'


# do search-request
def request(query, params):
    search_type = search_types.get(params['category'], '0')

    params['url'] = search_url.format(search_term=quote(query),
                                      search_type=search_type,
                                      pageno=params['pageno'] - 1)

    return params


# get response from search-request
def response(resp):
    results = []

    dom = html.fromstring(resp.text)

    search_res = dom.xpath('//table[@id="searchResult"]//tr')

    # return empty array if nothing is found
    if not search_res:
        return []

    # parse results
    for result in search_res[1:]:
        link = result.xpath('.//div[@class="detName"]//a')[0]
        href = urljoin(url, link.attrib.get('href'))
        title = extract_text(link)
        content = extract_text(result.xpath(content_xpath))
        seed, leech = result.xpath('.//td[@align="right"]/text()')[:2]

        # convert seed to int if possible
        if seed.isdigit():
            seed = int(seed)
        else:
            seed = 0

        # convert leech to int if possible
        if leech.isdigit():
            leech = int(leech)
        else:
            leech = 0

        magnetlink = result.xpath(magnet_xpath)[0]
        torrentfile_links = result.xpath(torrent_xpath)
        if torrentfile_links:
            torrentfile_link = torrentfile_links[0].attrib.get('href')
        else:
            torrentfile_link = None

        # append result
        results.append({'url': href,
                        'title': title,
                        'content': content,
                        'seed': seed,
                        'leech': leech,
                        'magnetlink': magnetlink.attrib.get('href'),
                        'torrentfile': torrentfile_link,
                        'template': 'torrent.html'})

    # return results sorted by seeder
    return sorted(results, key=itemgetter('seed'), reverse=True)

searx/engines/piratebay.py
#  Piratebay (Videos, Music, Files)
#
# @website     https://thepiratebay.se
# @provide-api no (nothing found)
#
# @using-api   no
# @results     HTML (using search portal)
# @stable      yes (HTML can change)
# @parse       url, title, content, seed, leech, magnetlink

from lxml import html
from operator import itemgetter
from searx.engines.xpath import extract_text
from searx.url_utils import quote, urljoin

# engine dependent config
categories = ['videos', 'music', 'files']
paging = True

# search-url
url = 'https://thepiratebay.org/'
search_url = url + 'search/{search_term}/{pageno}/99/{search_type}'

# piratebay specific type-definitions
search_types = {'files': '0',
                'music': '100',
                'videos': '200'}

# specific xpath variables
magnet_xpath = './/a[@title="Download this torrent using magnet"]'
torrent_xpath = './/a[@title="Download this torrent"]'
content_xpath = './/font[@class="detDesc"]'


# do search-request
def request(query, params):
    search_type = search_types.get(params['category'], '0')

    params['url'] = search_url.format(search_term=quote(query),
                                      search_type=search_type,
                                      pageno=params['pageno'] - 1)

    return params


# get response from search-request
def response(resp):
    results = []

    dom = html.fromstring(resp.text)

    search_res = dom.xpath('//table[@id="searchResult"]//tr')

    # return empty array if nothing is found
    if not search_res:
        return []

    # parse results
    for result in search_res[1:]:
        link = result.xpath('.//div[@class="detName"]//a')[0]
        href = urljoin(url, link.attrib.get('href'))
        title = extract_text(link)
        content = extract_text(result.xpath(content_xpath))
        seed, leech = result.xpath('.//td[@align="right"]/text()')[:2]

        # convert seed to int if possible
        if seed.isdigit():
            seed = int(seed)
        else:
            seed = 0

        # convert leech to int if possible
        if leech.isdigit():
            leech = int(leech)
        else:
            leech = 0

        magnetlink = result.xpath(magnet_xpath)[0]
        torrentfile_links = result.xpath(torrent_xpath)
        if torrentfile_links:
            torrentfile_link = torrentfile_links[0].attrib.get('href')
        else:
            torrentfile_link = None

        # append result
        results.append({'url': href,
                        'title': title,
                        'content': content,
                        'seed': seed,
                        'leech': leech,
                        'magnetlink': magnetlink.attrib.get('href'),
                        'torrentfile': torrentfile_link,
                        'template': 'torrent.html'})

    # return results sorted by seeder
    return sorted(results, key=itemgetter('seed'), reverse=True)

searx/engines/piratebay.py
diff --git a/searx/engines/piratebay.py b/searx/engines/piratebay.py
index a5af8d824b..2f3f22a971 100644
--- a/searx/engines/piratebay.py
+++ b/searx/engines/piratebay.py
@@ -18,7 +18,7 @@
 paging = True
 
 # search-url
-url = 'https://thepiratebay.se/'
+url = 'https://thepiratebay.org/'
 search_url = url + 'search/{search_term}/{pageno}/99/{search_type}'
 
 # piratebay specific type-definitions
diff --git a/tests/unit/engines/test_piratebay.py b/tests/unit/engines/test_piratebay.py
index 5699380be7..89a78e7965 100644
--- a/tests/unit/engines/test_piratebay.py
+++ b/tests/unit/engines/test_piratebay.py
@@ -15,7 +15,7 @@ def test_request(self):
         params = piratebay.request(query, dicto)
         self.assertIn('url', params)
         self.assertIn(query, params['url'])
-        self.assertIn('piratebay.se', params['url'])
+        self.assertIn('piratebay.org', params['url'])
         self.assertIn('0', params['url'])
 
         dicto['category'] = 'music'
@@ -99,7 +99,7 @@ def test_response(self):
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 2)
         self.assertEqual(results[0]['title'], 'This is the title')
-        self.assertEqual(results[0]['url'], 'https://thepiratebay.se/this.is.the.link')
+        self.assertEqual(results[0]['url'], 'https://thepiratebay.org/this.is.the.link')
         self.assertEqual(results[0]['content'], 'This is the content and should be OK')
         self.assertEqual(results[0]['seed'], 13)
         self.assertEqual(results[0]['leech'], 334)
@@ -149,7 +149,7 @@ def test_response(self):
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 1)
         self.assertEqual(results[0]['title'], 'This is the title')
-        self.assertEqual(results[0]['url'], 'https://thepiratebay.se/this.is.the.link')
+        self.assertEqual(results[0]['url'], 'https://thepiratebay.org/this.is.the.link')
         self.assertEqual(results[0]['content'], 'This is the content and should be OK')
         self.assertEqual(results[0]['seed'], 0)
         self.assertEqual(results[0]['leech'], 0)

Engines cannot retrieve results: piratebay (request exception): PirateBay changed URL
When some text is entered, and I click on General and Files several times, it shows this error:
```
Error! Engines cannot retrieve results.
piratebay (request exception)
Please, try again later or find another searx instance.
```

Version 0.14.0 on FreeBSD.
Default config.
