Move common libs to libs/common

libs/common/dogpile/cache/exception.py

@@ -0,0 +1,25 @@
+"""Exception classes for dogpile.cache."""
+
+
+class DogpileCacheException(Exception):
+    """Base Exception for dogpile.cache exceptions to inherit from."""
+
+
+class RegionAlreadyConfigured(DogpileCacheException):
+    """CacheRegion instance is already configured."""
+
+
+class RegionNotConfigured(DogpileCacheException):
+    """CacheRegion instance has not been configured."""
+
+
+class ValidationError(DogpileCacheException):
+    """Error validating a value or option."""
+
+
+class PluginNotFound(DogpileCacheException):
+    """The specified plugin could not be found.
+
+    .. versionadded:: 0.6.4
+
+    """