Merge pull request #244 from 7ws/emyller/base-exception

Introduce a base exception class

AUTHORS

@@ -66,3 +66,6 @@ Marcio Mazza
 
 Sungsu Lim
     github: proflim
+
+Evandro Myller
+    github: emyller

pydub/exceptions.py

@@ -1,26 +1,32 @@
+class PydubException(Exception):
+    """
+    Base class for any Pydub exception
+    """
 
 
-class TooManyMissingFrames(Exception):
+class TooManyMissingFrames(PydubException):
     pass
 
 
-class InvalidDuration(Exception):
+class InvalidDuration(PydubException):
     pass
 
 
-class InvalidTag(Exception):
+class InvalidTag(PydubException):
     pass
 
 
-class InvalidID3TagVersion(Exception):
+class InvalidID3TagVersion(PydubException):
     pass
 
 
-class CouldntDecodeError(Exception):
+class CouldntDecodeError(PydubException):
     pass
-
-class CouldntEncodeError(Exception):
+
+
+class CouldntEncodeError(PydubException):
     pass
 
-class MissingAudioParameter(Exception):
-    pass
+
+class MissingAudioParameter(PydubException):
+    pass