commit 832dd5f0d65d3a0ebd7d7c7a3a4c80ab5170cd08
author Serhiy Storchaka <storchaka@gmail.com> Tue Feb 10 08:45:53 2015 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Tue Feb 10 08:45:53 2015 +0200
tree 8fa7e8aae8445c058cc8fa1e8408fb9502c1a15e
parent 22ef9f722e6aa138d047625dd845c9a101c4454d

Issue #23421: Fixed compression in tarfile CLI.  Patch by wdv4758h.

Lib/tarfile.py

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 9e291c2..37e4dcd 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -2491,16 +2491,16 @@
         _, ext = os.path.splitext(tar_name)
         compressions = {
             # gz
-            'gz': 'gz',
-            'tgz': 'gz',
+            '.gz': 'gz',
+            '.tgz': 'gz',
             # xz
-            'xz': 'xz',
-            'txz': 'xz',
+            '.xz': 'xz',
+            '.txz': 'xz',
             # bz2
-            'bz2': 'bz2',
-            'tbz': 'bz2',
-            'tbz2': 'bz2',
-            'tb2': 'bz2',
+            '.bz2': 'bz2',
+            '.tbz': 'bz2',
+            '.tbz2': 'bz2',
+            '.tb2': 'bz2',
         }
         tar_mode = 'w:' + compressions[ext] if ext in compressions else 'w'
         tar_files = args.create