Added better zip exceptions, and added __all__ to core classes

git-svn-id: http://pyfilesystem.googlecode.com/svn/trunk@378 67cdc799-7952-0410-af00-57a81ceafa0f

1 files changed, 28 insertions, 5 deletions

diff --git a/fs/errors.py b/fs/errors.py
index 82f614d..4bcdeec 100644
--- a/fs/errors.py
+++ b/fs/errors.py
@@ -5,15 +5,33 @@ All Exception classes are derived from `FSError` which can be used as a catch-al
 
 """
 
+__all__ = ['FSError',
+           'CreateFailedError',
+           'PathError',
+           'OperationFailedError',
+           'UnsupportedError',
+           'RemoteConnectionError',
+           'StorageSpaceError',
+           'PermissionDeniedError',
+           'FSClosedError',
+           'OperationTimeoutError',
+           'ResourceError',
+           'NoSysPathError',
+           'ResourceNotFoundError',
+           'ResourceInvalidError',           
+           'DestinationExistsError',
+           'DirectoryNotEmptyError',
+           'ParentDirectoryMissingError',
+           'ResourceLockedError',
+           'convert_fs_errors',
+           'convert_os_errors'
+           ]
+
 import sys
 import errno
 
 from fs.path import *
-
-try:
-    from functools import wraps
-except ImportError:
-    wraps = lambda f: lambda f: f
+from fs.functools import wraps
 
 
 class FSError(Exception):
@@ -41,6 +59,11 @@ class FSError(Exception):
        return self.__dict__.copy()
 
 
+class CreateFailedError(FSError):
+    """An exception thrown when a FS could not be created"""
+    default_message = "Unable to create filesystem"
+
+
 class PathError(FSError):
     """Exception for errors to do with a path string.
     """