commit | b7f136e73eda63c4bef46d2a749faf3692cddc5c | [log] [tgz] |
---|---|---|
author | Guido van Rossum <guido@python.org> | Wed Aug 22 18:14:10 2007 +0000 |
committer | Guido van Rossum <guido@python.org> | Wed Aug 22 18:14:10 2007 +0000 |
tree | a8918680bc0a622424b0abc49035e6a0f56e4a99 | |
parent | bfc672b16921fd90660edec8fdcdbbedf01aa2d9 [diff] [blame] |
Make IOBase (and hence all other classes in io.py) use ABCMeta as its metaclass, so you can use their class .register() method to register virtual subclasses.
diff --git a/Lib/io.py b/Lib/io.py index 40ea687..40c2186 100644 --- a/Lib/io.py +++ b/Lib/io.py
@@ -31,6 +31,7 @@ "BufferedRandom", "TextIOBase", "TextIOWrapper"] import os +import abc import sys import codecs import _fileio @@ -178,7 +179,7 @@ pass -class IOBase: +class IOBase(metaclass=abc.ABCMeta): """Base class for all I/O classes.