[gentoo-commits] proj/R_overlay:master commit in: roverlay/util/

["André Erdmann" <dywi@mailerd.de>]

commit:     3ef843db7ccbdaecf9cab4fb4809ca99dec566e5
Author:     André Erdmann <dywi <AT> mailerd <DOT> de>
AuthorDate: Fri Sep 20 14:46:27 2013 +0000
Commit:     André Erdmann <dywi <AT> mailerd <DOT> de>
CommitDate: Fri Sep 20 14:46:27 2013 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/R_overlay.git;a=commit;h=3ef843db

roverlay/util: python 2/3 wrapper for abc.ABCMeta

---
 roverlay/util/_abc2.py   | 13 +++++++++++++
 roverlay/util/_abc3.py   | 13 +++++++++++++
 roverlay/util/objects.py | 10 +++++++++-
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/roverlay/util/_abc2.py b/roverlay/util/_abc2.py
new file mode 100644
index 0000000..830ab8f
--- /dev/null
+++ b/roverlay/util/_abc2.py
@@ -0,0 +1,13 @@
+# R overlay -- compat module for creating abstract classes (python 2)
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013 André Erdmann <dywi@mailerd.de>
+# Distributed under the terms of the GNU General Public License;
+# either version 2 of the License, or (at your option) any later version.
+
+from abc import ABCMeta, abstractmethod
+
+__all__ = [ 'abstractmethod', 'AbstractObject', ]
+
+class AbstractObject ( object ):
+   __metaclass__ = ABCMeta
+# --- end of AbstractObject ---

diff --git a/roverlay/util/_abc3.py b/roverlay/util/_abc3.py
new file mode 100644
index 0000000..bcf0b0e
--- /dev/null
+++ b/roverlay/util/_abc3.py
@@ -0,0 +1,13 @@
+# R overlay -- compat module for creating abstract classes (python 3)
+# -*- coding: utf-8 -*-
+# Copyright (C) 2013 André Erdmann <dywi@mailerd.de>
+# Distributed under the terms of the GNU General Public License;
+# either version 2 of the License, or (at your option) any later version.
+
+from abc import ABCMeta, abstractmethod
+
+__all__ = [ 'abstractmethod', 'AbstractObject', ]
+
+class AbstractObject ( object, metaclass=ABCMeta ):
+   pass
+# --- end of AbstractObject ---

diff --git a/roverlay/util/objects.py b/roverlay/util/objects.py
index 5ba2d69..d14733e 100644
--- a/roverlay/util/objects.py
+++ b/roverlay/util/objects.py
@@ -5,8 +5,16 @@
 # either version 2 of the License, or (at your option) any later version.
 
 import weakref
+import sys
 
-__all__ = [ 'get_object_ref', 'abstractmethod', 'not_implemented', ]
+if sys.hexversion >= 0x3000000:
+   from ._abc3 import AbstractObject
+else:
+   from ._abc2 import AbstractObject
+
+__all__ = [
+   'get_object_ref', 'abstractmethod', 'not_implemented', 'AbstractObject',
+]
 
 
 class ObjectDisappeared ( Exception ):