add digbt engine

Unfortunately, it is quite slow so it is disabled.
Furthermore, the display of number of files is wrong
on digbt.org, so it is not displayed on searx.

4 files changed, 84 insertions, 15 deletions

diff --git a/searx/engines/btdigg.py b/searx/engines/btdigg.py
index c2b22f003..ea6baf1c8 100644
--- a/searx/engines/btdigg.py
+++ b/searx/engines/btdigg.py
@@ -16,6 +16,7 @@ from urllib import quote
 from lxml import html
 from operator import itemgetter
 from searx.engines.xpath import extract_text
+from searx.utils import get_torrent_size
 
 # engine dependent config
 categories = ['videos', 'music', 'files']
@@ -68,20 +69,7 @@ def response(resp):
         leech = 0
 
         # convert filesize to byte if possible
-        try:
-            filesize = float(filesize)
-
-            # convert filesize to byte
-            if filesize_multiplier == 'TB':
-                filesize = int(filesize * 1024 * 1024 * 1024 * 1024)
-            elif filesize_multiplier == 'GB':
-                filesize = int(filesize * 1024 * 1024 * 1024)
-            elif filesize_multiplier == 'MB':
-                filesize = int(filesize * 1024 * 1024)
-            elif filesize_multiplier == 'KB':
-                filesize = int(filesize * 1024)
-        except:
-            filesize = None
+        filesize = get_torrent_size(filesize, filesize_multiplier)
 
         # convert files to int if possible
         if files.isdigit():
diff --git a/searx/engines/digbt.py b/searx/engines/digbt.py
new file mode 100644
index 000000000..c35327e8c
--- /dev/null
+++ b/searx/engines/digbt.py
@@ -0,0 +1,58 @@
+"""
+ DigBT (Videos, Music, Files)
+
+ @website     https://digbt.org
+ @provide-api no
+
+ @using-api   no
+ @results     HTML (using search portal)
+ @stable      no (HTML can change)
+ @parse       url, title, content, magnetlink
+"""
+
+from urlparse import urljoin
+from lxml import html
+from searx.engines.xpath import extract_text
+from searx.utils import get_torrent_size
+
+categories = ['videos', 'music', 'files']
+paging = True
+
+URL = 'https://digbt.org'
+SEARCH_URL = URL + '/search/{query}-time-{pageno}'
+FILESIZE = 3
+FILESIZE_MULTIPLIER = 4
+
+
+def request(query, params):
+    params['url'] = SEARCH_URL.format(query=query, pageno=params['pageno'])
+
+    return params
+
+
+def response(resp):
+    dom = html.fromstring(resp.content)
+    search_res = dom.xpath('.//td[@class="x-item"]')
+
+    if not search_res:
+        return list()
+
+    results = list()
+    for result in search_res:
+        url = urljoin(URL, result.xpath('.//a[@title]/@href')[0])
+        title = result.xpath('.//a[@title]/text()')[0]
+        content = extract_text(result.xpath('.//div[@class="files"]'))
+        files_data = extract_text(result.xpath('.//div[@class="tail"]')).split()
+        filesize = get_torrent_size(files_data[FILESIZE], files_data[FILESIZE_MULTIPLIER])
+        magnetlink = result.xpath('.//div[@class="tail"]//a[@class="title"]/@href')[0]
+
+        results.append({'url': url,
+                        'title': title,
+                        'content': content,
+                        'filesize': filesize,
+                        'magnetlink': magnetlink,
+                        'seed': 'N/A',
+                        'leech': 'N/A',
+                        'template': 'torrent.html'})
+
+    return results
diff --git a/searx/settings.yml b/searx/settings.yml
index f0d33e50e..885779af3 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -87,7 +87,7 @@ engines:
   - name : btdigg
     engine : btdigg
     shortcut : bt
-    
+
   - name : crossref
     engine : json_engine
     paging : True
@@ -118,6 +118,11 @@ engines:
     weight : 2
     disabled : True
 
+  - name : digbt
+    engine : digbt
+    shortcut : dbt
+    timeout : 6.0
+
   - name : digg
     engine : digg
     shortcut : dg
diff --git a/searx/utils.py b/searx/utils.py
index aa8ce92a1..744142e36 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -237,3 +237,21 @@ def list_get(a_list, index, default=None):
         return a_list[index]
     else:
         return default
+
+
+def get_torrent_size(filesize, filesize_multiplier):
+    try:
+        filesize = float(filesize)
+
+        if filesize_multiplier == 'TB':
+            filesize = int(filesize * 1024 * 1024 * 1024 * 1024)
+        elif filesize_multiplier == 'GB':
+            filesize = int(filesize * 1024 * 1024 * 1024)
+        elif filesize_multiplier == 'MB':
+            filesize = int(filesize * 1024 * 1024)
+        elif filesize_multiplier == 'KB':
+            filesize = int(filesize * 1024)
+    except:
+        filesize = None
+
+    return filesize