Flake8 and Twitter corrections

Lots of Flake8 corrections
Maybe we should change the rule to allow lines of 120 chars. It seems more usable.

Big twitter correction : now it outputs the words in right order...

13 files changed, 80 insertions, 47 deletions

diff --git a/searx/engines/500px.py b/searx/engines/500px.py
index 5d53af32c..3b95619a1 100644
--- a/searx/engines/500px.py
+++ b/searx/engines/500px.py
@@ -35,9 +35,9 @@ def request(query, params):
 # get response from search-request
 def response(resp):
     results = []
-    
+
     dom = html.fromstring(resp.text)
-    
+
     # parse results
     for result in dom.xpath('//div[@class="photo"]'):
         link = result.xpath('.//a')[0]
diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index d42339af8..9bc5cdfd4 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -81,7 +81,7 @@ def load_engine(engine_data):
         if engine_attr.startswith('_'):
             continue
         if getattr(engine, engine_attr) is None:
-            print('[E] Engine config error: Missing attribute "{0}.{1}"'\
+            print('[E] Engine config error: Missing attribute "{0}.{1}"'
                   .format(engine.name, engine_attr))
             sys.exit(1)
 
@@ -102,7 +102,7 @@ def load_engine(engine_data):
     if engine.shortcut:
         # TODO check duplications
         if engine.shortcut in engine_shortcuts:
-            print('[E] Engine config error: ambigious shortcut: {0}'\
+            print('[E] Engine config error: ambigious shortcut: {0}'
                   .format(engine.shortcut))
             sys.exit(1)
         engine_shortcuts[engine.shortcut] = engine.name
diff --git a/searx/engines/digg.py b/searx/engines/digg.py
index 4ebfe58c1..241234fdb 100644
--- a/searx/engines/digg.py
+++ b/searx/engines/digg.py
@@ -52,7 +52,8 @@ def response(resp):
         thumbnail = result.xpath('.//img')[0].attrib.get('src')
         title = ''.join(result.xpath(title_xpath))
         content = escape(''.join(result.xpath(content_xpath)))
-        publishedDate = parser.parse(result.xpath(pubdate_xpath)[0].attrib.get('datetime'))
+        pubdate = result.xpath(pubdate_xpath)[0].attrib.get('datetime')
+        publishedDate = parser.parse(pubdate)
 
         # append result
         results.append({'url': url,
diff --git a/searx/engines/flickr-noapi.py b/searx/engines/flickr-noapi.py
index 522503b53..f90903647 100644
--- a/searx/engines/flickr-noapi.py
+++ b/searx/engines/flickr-noapi.py
@@ -53,7 +53,8 @@ def response(resp):
 
     for photo in photos:
 
-        # In paged configuration, the first pages' photos are represented by a None object
+        # In paged configuration, the first pages' photos
+        # are represented by a None object
         if photo is None:
             continue
 
@@ -74,10 +75,15 @@ def response(resp):
 
         title = photo['title']
 
-        content = '<span class="photo-author">' + photo['owner']['username'] + '</span><br />'
+        content = '<span class="photo-author">' +\
+                  photo['owner']['username'] +\
+                  '</span><br />'
 
         if 'description' in photo:
-            content = content + '<span class="description">' + photo['description'] + '</span>'
+            content = content +\
+                      '<span class="description">' +\
+                      photo['description'] +\
+                      '</span>'
 
         # append result
         results.append({'url': url,
diff --git a/searx/engines/flickr.py b/searx/engines/flickr.py
index 2fa5ed7ec..4dadd80a6 100644
--- a/searx/engines/flickr.py
+++ b/searx/engines/flickr.py
@@ -1,10 +1,10 @@
 #!/usr/bin/env python
 
 ## Flickr (Images)
-# 
+#
 # @website     https://www.flickr.com
-# @provide-api yes (https://secure.flickr.com/services/api/flickr.photos.search.html) 
-# 
+# @provide-api yes (https://secure.flickr.com/services/api/flickr.photos.search.html)
+#
 # @using-api   yes
 # @results     JSON
 # @stable      yes
@@ -18,16 +18,20 @@ categories = ['images']
 
 nb_per_page = 15
 paging = True
-api_key= None
+api_key = None
 
 
-url = 'https://api.flickr.com/services/rest/?method=flickr.photos.search&api_key={api_key}&{text}&sort=relevance&extras=description%2C+owner_name%2C+url_o%2C+url_z&per_page={nb_per_page}&format=json&nojsoncallback=1&page={page}'
+url = 'https://api.flickr.com/services/rest/?method=flickr.photos.search' +\
+      '&api_key={api_key}&{text}&sort=relevance' +\
+      '&extras=description%2C+owner_name%2C+url_o%2C+url_z' +\
+      '&per_page={nb_per_page}&format=json&nojsoncallback=1&page={page}'
 photo_url = 'https://www.flickr.com/photos/{userid}/{photoid}'
 
 paging = True
 
+
 def build_flickr_url(user_id, photo_id):
-    return photo_url.format(userid=user_id,photoid=photo_id)
+    return photo_url.format(userid=user_id, photoid=photo_id)
 
 
 def request(query, params):
@@ -40,7 +44,7 @@ def request(query, params):
 
 def response(resp):
     results = []
-    
+
     search_results = loads(resp.text)
 
     # return empty array if there are no results
@@ -64,11 +68,14 @@ def response(resp):
         url = build_flickr_url(photo['owner'], photo['id'])
 
         title = photo['title']
-        
-        content = '<span class="photo-author">'+ photo['ownername'] +'</span><br />'
-        
-        content = content + '<span class="description">' + photo['description']['_content'] + '</span>'
-        
+
+        content = '<span class="photo-author">' +\
+                  photo['ownername'] +\
+                  '</span><br />' +\
+                  '<span class="description">' +\
+                  photo['description']['_content'] +\
+                  '</span>'
+
         # append result
         results.append({'url': url,
                         'title': title,
diff --git a/searx/engines/kickass.py b/searx/engines/kickass.py
index f1fcd9e1a..16e9d6de6 100644
--- a/searx/engines/kickass.py
+++ b/searx/engines/kickass.py
@@ -24,7 +24,7 @@ search_url = url + 'search/{search_term}/{pageno}/'
 
 # specific xpath variables
 magnet_xpath = './/a[@title="Torrent magnet link"]'
-#content_xpath = './/font[@class="detDesc"]//text()'
+content_xpath = './/span[@class="font11px lightgrey block"]'
 
 
 # do search-request
@@ -56,7 +56,8 @@ def response(resp):
         link = result.xpath('.//a[@class="cellMainLink"]')[0]
         href = urljoin(url, link.attrib['href'])
         title = ' '.join(link.xpath('.//text()'))
-        content = escape(html.tostring(result.xpath('.//span[@class="font11px lightgrey block"]')[0], method="text"))
+        content = escape(html.tostring(result.xpath(content_xpath)[0],
+                                       method="text"))
         seed = result.xpath('.//td[contains(@class, "green")]/text()')[0]
         leech = result.xpath('.//td[contains(@class, "red")]/text()')[0]
 
diff --git a/searx/engines/searchcode_code.py b/searx/engines/searchcode_code.py
index 2ba0e52f1..0f98352c1 100644
--- a/searx/engines/searchcode_code.py
+++ b/searx/engines/searchcode_code.py
@@ -11,7 +11,6 @@
 from urllib import urlencode
 from json import loads
 import cgi
-import re
 
 # engine dependent config
 categories = ['it']
@@ -33,7 +32,7 @@ def request(query, params):
 # get response from search-request
 def response(resp):
     results = []
-    
+
     search_results = loads(resp.text)
 
     # parse results
@@ -41,21 +40,22 @@ def response(resp):
         href = result['url']
         title = "" + result['name'] + " - " + result['filename']
         content = result['repo'] + "<br />"
-        
+
         lines = dict()
         for line, code in result['lines'].items():
             lines[int(line)] = code
 
         content = content + '<pre class="code-formatter"><table class="code">'
         for line, code in sorted(lines.items()):
-            content = content + '<tr><td class="line-number" style="padding-right:5px;">' 
-            content = content + str(line) + '</td><td class="code-snippet">' 
-            # Replace every two spaces with ' &nbps;' to keep formatting while allowing the browser to break the line if necessary
-            content = content + cgi.escape(code).replace('\t', '    ').replace('  ', '&nbsp; ').replace('  ', ' &nbsp;') 
+            content = content + '<tr><td class="line-number" style="padding-right:5px;">'
+            content = content + str(line) + '</td><td class="code-snippet">'
+            # Replace every two spaces with ' &nbps;' to keep formatting
+            # while allowing the browser to break the line if necessary
+            content = content + cgi.escape(code).replace('\t', '    ').replace('  ', '&nbsp; ').replace('  ', ' &nbsp;')
             content = content + "</td></tr>"
-            
+
         content = content + "</table></pre>"
-        
+
         # append result
         results.append({'url': href,
                         'title': title,
diff --git a/searx/engines/searchcode_doc.py b/searx/engines/searchcode_doc.py
index e07cbeab9..b5b7159be 100644
--- a/searx/engines/searchcode_doc.py
+++ b/searx/engines/searchcode_doc.py
@@ -31,15 +31,22 @@ def request(query, params):
 # get response from search-request
 def response(resp):
     results = []
-    
+
     search_results = loads(resp.text)
 
     # parse results
     for result in search_results['results']:
         href = result['url']
-        title = "[" + result['type'] + "] " + result['namespace'] + " " + result['name']
-        content = '<span class="highlight">[' + result['type'] + "] " + result['name'] + " " + result['synopsis'] + "</span><br />" + result['description']
-        
+        title = "[" + result['type'] + "] " +\
+                result['namespace'] +\
+                " " + result['name']
+        content = '<span class="highlight">[' +\
+                  result['type'] + "] " +\
+                  result['name'] + " " +\
+                  result['synopsis'] +\
+                  "</span><br />" +\
+                  result['description']
+
         # append result
         results.append({'url': href,
                         'title': title,
diff --git a/searx/engines/subtitleseeker.py b/searx/engines/subtitleseeker.py
index 2f1636f59..c413dcf26 100644
--- a/searx/engines/subtitleseeker.py
+++ b/searx/engines/subtitleseeker.py
@@ -60,10 +60,14 @@ def response(resp):
 
         content = result.xpath('.//div[contains(@class,"red")]//text()')[0]
         content = content + " - "
-        content = content + html.tostring(result.xpath('.//div[contains(@class,"grey-web")]')[0], method='text')
+        text = result.xpath('.//div[contains(@class,"grey-web")]')[0]
+        content = content + html.tostring(text, method='text')
 
         if result.xpath(".//span") != []:
-            content = content + " - (" + result.xpath(".//span//text()")[0].strip() + ")"
+            content = content +\
+                      " - (" +\
+                      result.xpath(".//span//text()")[0].strip() +\
+                      ")"
 
         # append result
         results.append({'url': href,
diff --git a/searx/engines/twitter.py b/searx/engines/twitter.py
index 5a7046c83..bd9a8c2fc 100644
--- a/searx/engines/twitter.py
+++ b/searx/engines/twitter.py
@@ -28,7 +28,7 @@ search_url = base_url+'search?'
 results_xpath = '//li[@data-item-type="tweet"]'
 link_xpath = './/small[@class="time"]//a'
 title_xpath = './/span[@class="username js-action-profile-name"]//text()'
-content_xpath = './/p[@class="js-tweet-text tweet-text"]//text()'
+content_xpath = './/p[@class="js-tweet-text tweet-text"]'
 timestamp_xpath = './/span[contains(@class,"_timestamp")]'
 
 
@@ -54,10 +54,11 @@ def response(resp):
         link = tweet.xpath(link_xpath)[0]
         url = urljoin(base_url, link.attrib.get('href'))
         title = ''.join(tweet.xpath(title_xpath))
-        content = escape(''.join(tweet.xpath(content_xpath)))
+        content = escape(html.tostring(tweet.xpath(content_xpath)[0], method='text', encoding='UTF-8').decode("utf-8"))
         pubdate = tweet.xpath(timestamp_xpath)
         if len(pubdate) > 0:
-            publishedDate = datetime.fromtimestamp(float(pubdate[0].attrib.get('data-time')), None)
+            timestamp = float(pubdate[0].attrib.get('data-time'))
+            publishedDate = datetime.fromtimestamp(timestamp, None)
             # append result
             results.append({'url': url,
                             'title': title,
diff --git a/searx/https_rewrite.py b/searx/https_rewrite.py
index 408474a44..d873b406d 100644
--- a/searx/https_rewrite.py
+++ b/searx/https_rewrite.py
@@ -154,7 +154,6 @@ def load_https_rules(rules_path):
     print(' * {n} https-rules loaded'.format(n=len(https_rules)))
 
 
-
 def https_url_rewrite(result):
     skip_https_rewrite = False
     # check if HTTPS rewrite is possible
diff --git a/searx/search.py b/searx/search.py
index d1d03805f..fbbf3fe41 100644
--- a/searx/search.py
+++ b/searx/search.py
@@ -69,11 +69,16 @@ def threaded_requests(requests):
                 print('engine timeout: {0}'.format(th._engine_name))
 
 
-
 # get default reqest parameter
 def default_request_params():
     return {
-        'method': 'GET', 'headers': {}, 'data': {}, 'url': '', 'cookies': {}, 'verify': True}
+        'method': 'GET',
+        'headers': {},
+        'data': {},
+        'url': '',
+        'cookies': {},
+        'verify': True
+    }
 
 
 # create a callback wrapper for the search engine results
@@ -487,14 +492,15 @@ class Search(object):
                 continue
 
             # append request to list
-            requests.append((req, request_params['url'], request_args, selected_engine['name']))
+            requests.append((req, request_params['url'],
+                             request_args,
+                             selected_engine['name']))
 
         if not requests:
             return results, suggestions, answers, infoboxes
         # send all search-request
         threaded_requests(requests)
 
-
         while not results_queue.empty():
             engine_name, engine_results = results_queue.get_nowait()
 
diff --git a/searx/utils.py b/searx/utils.py
index dc831ef5f..b725a8b95 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -30,8 +30,9 @@ def gen_useragent():
 
 
 def searx_useragent():
-    return 'searx/{searx_version} {suffix}'.format(searx_version=VERSION_STRING,
-                                          suffix=settings['server'].get('useragent_suffix', ''))
+    return 'searx/{searx_version} {suffix}'.format(
+           searx_version=VERSION_STRING,
+           suffix=settings['server'].get('useragent_suffix', ''))
 
 
 def highlight_content(content, query):