commit missed compatibility file for py3, py2 functioning.

1 files changed, 45 insertions, 0 deletions

diff --git a/layman/compatability.py b/layman/compatability.py
new file mode 100644
index 0000000..ea7149e
--- /dev/null
+++ b/layman/compatability.py
@@ -0,0 +1,45 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+""" Copyright 2005 - 2008 Gunnar Wrobel
+              2011 - Brian Dolbec
+ Distributed under the terms of the GNU General Public License v2
+"""
+
+import sys, types
+
+
+def encode(text, enc="UTF-8"):
+    """py2, py compatibility function"""
+    if hasattr(text, 'decode'):
+        return text.decode(enc)
+    return str(text)
+
+
+def fileopen(path, mode, enc="UTF-8"):
+    """py2, py3 compatibility function"""
+    try:
+        f = open(path, mode, encoding=enc)
+    except TypeError:
+        f = open(path, mode)
+    return f
+
+
+def cmp_to_key(mycmp):
+    'Convert a cmp= function into a key= function'
+    class K(object):
+        def __init__(self, obj, *args):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) < 0
+        def __gt__(self, other):
+            return mycmp(self.obj, other.obj) > 0
+        def __eq__(self, other):
+            return mycmp(self.obj, other.obj) == 0
+        def __le__(self, other):
+            return mycmp(self.obj, other.obj) <= 0
+        def __ge__(self, other):
+            return mycmp(self.obj, other.obj) >= 0
+        def __ne__(self, other):
+            return mycmp(self.obj, other.obj) != 0
+    return K