Another batch of improvements:

* Prefer 'with' statements for open
* Catch proper exceptions
* Remove ex() method, there was only one use and we catch thousands of exceptions.

headphones/exceptions.py

@@ -13,29 +13,12 @@
 #  You should have received a copy of the GNU General Public License
 #  along with Headphones.  If not, see <http://www.gnu.org/licenses/>.
 
-def ex(e):
-    """
-    Returns a string from the exception text if it exists.
-    """
-    
-    # sanity check
-    if not e.args or not e.args[0]:
-        return ""
-
-    e_message = e.args[0]
-    
-    # if fixStupidEncodings doesn't fix it then maybe it's not a string, in which case we'll try printing it anyway
-    if not e_message:
-        try:
-            e_message = str(e.args[0])
-        except:
-            e_message = ""
-    
-    return e_message
-    
-
 class HeadphonesException(Exception):
-    "Generic Headphones Exception - should never be thrown, only subclassed"
+    """
+    Generic Headphones Exception - should never be thrown, only subclassed
+    """
 
 class NewzbinAPIThrottled(HeadphonesException):
-    "Newzbin has throttled us, deal with it"
+    """
+    Newzbin has throttled us, deal with it
+    """