add subliminal for subtitle download. #253

libs/subliminal/exceptions.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+
+class Error(Exception):
+    """Base class for exceptions in subliminal"""
+
+
+class ProviderError(Error):
+    """Exception raised by providers"""
+
+
+class ConfigurationError(ProviderError):
+    """Exception raised by providers when badly configured"""
+
+
+class AuthenticationError(ProviderError):
+    """Exception raised by providers when authentication failed"""
+
+
+class DownloadLimitExceeded(ProviderError):
+    """Exception raised by providers when download limit is exceeded"""