[enh] fix pep8, improve syntax highlighting

searx/engines/searchcode_code.py

@@ -10,8 +10,7 @@
 
 from urllib import urlencode
 from json import loads
-import cgi
-import re
+
 
 # engine dependent config
 categories = ['it']
@@ -21,17 +20,10 @@ paging = True
 url = 'https://searchcode.com/'
 search_url = url+'api/codesearch_I/?{query}&p={pageno}'
 
-code_endings = {'c': 'c',
-                'css': 'css',
-                'cpp': 'cpp',
-                'c++': 'cpp',
+# special code-endings which are not recognised by the file ending
+code_endings = {'cs': 'c#',
                 'h': 'c',
-                'html': 'html',
-                'hpp': 'cpp',
-                'js': 'js',
-                'lua': 'lua',
-                'php': 'php',
-                'py': 'python'}
+                'hpp': 'cpp'}
 
 
 # do search-request
@@ -45,7 +37,7 @@ def request(query, params):
 # get response from search-request
 def response(resp):
     results = []
-    
+
     search_results = loads(resp.text)
 
     # parse results
@@ -53,12 +45,14 @@ def response(resp):
         href = result['url']
         title = "" + result['name'] + " - " + result['filename']
         repo = result['repo']
-        
+
         lines = dict()
         for line, code in result['lines'].items():
             lines[int(line)] = code
 
-        code_language = code_endings.get(result['filename'].split('.')[-1].lower(), None)
+        code_language = code_endings.get(
+            result['filename'].split('.')[-1].lower(),
+            result['filename'].split('.')[-1].lower())
 
         # append result
         results.append({'url': href,

searx/engines/searchcode_doc.py

@@ -31,15 +31,18 @@ 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,

searx/webapp.py

@@ -99,9 +99,13 @@ def code_highlighter(codelines, language=None):
     if not language:
         language = 'text'
 
-    # find lexer by programing language
-    lexer = get_lexer_by_name(language, stripall=True)
-    
+    try:
+        # find lexer by programing language
+        lexer = get_lexer_by_name(language, stripall=True)
+    except:
+        # if lexer is not found, using default one
+        lexer = get_lexer_by_name('text', stripall=True)
+
     html_code = ''
     tmp_code = ''
     last_line = None
@@ -112,20 +116,21 @@ def code_highlighter(codelines, language=None):
             line_code_start = line
 
         # new codeblock is detected
-        if last_line != None and\
-           last_line +1 != line:
+        if last_line is not None and\
+           last_line + 1 != line:
 
             # highlight last codepart
-            formatter = HtmlFormatter(linenos='inline', linenostart=line_code_start)
+            formatter = HtmlFormatter(linenos='inline',
+                                      linenostart=line_code_start)
             html_code = html_code + highlight(tmp_code, lexer, formatter)
-            
+
             # reset conditions for next codepart
             tmp_code = ''
             line_code_start = line
 
         # add codepart
         tmp_code += code + '\n'
-        
+
         # update line
         last_line = line