Fix little problem in extension detection and fix some PyLint complaints.

sabnzbd/assembler.py

@@ -122,7 +122,7 @@ class Assembler(Thread):
                             import sabnzbd.nzbqueue
                             sabnzbd.nzbqueue.NzbQueue.do.end_job(nzo)
 
-                    unwanted = rar_contains_unwanted_file(nzo, filepath)
+                    unwanted = rar_contains_unwanted_file(filepath)
                     if unwanted:
                         logging.warning(Ta('WARNING: In "%s" unwanted extension in RAR file. Unwanted file is %s '), latin1(nzo.final_name), unwanted)
                         if cfg.action_on_unwanted_extensions() == 1:
@@ -338,12 +338,12 @@ def check_encrypted_rar(nzo, filepath):
     return encrypted
 
 
-def rar_contains_unwanted_file(nzo, filepath):
+def rar_contains_unwanted_file(filepath):
     # checks for unwanted extensions in the rar file 'filepath'
     # ... unwanted extensions are defined in global variable cfg.unwanted_extensions()
     # returns False if no unwanted extensions are found in the rar file
     # returns name of file if unwanted extension is found in the rar file
-    unwanted = False
+    unwanted = None
     if is_rarfile(filepath):
         #logging.debug('rar file to check: %s',filepath)
         #logging.debug('unwanted extensions are: %s', cfg.unwanted_extensions())
@@ -354,7 +354,7 @@ def rar_contains_unwanted_file(nzo, filepath):
                 logging.debug('file in rar file: %s', somefile)
                 if os.path.splitext(somefile)[1].replace('.', '').lower() in cfg.unwanted_extensions():
                     logging.debug('Unwanted file %s', somefile)
-                    unwanted = True
+                    unwanted = somefile
                     zf.close()
         except:
             logging.debug('RAR file %s cannot be inspected.', filepath)