commit e7829bdf122f1b481a09c4aab00821f02052191b
author Serhiy Storchaka <storchaka@gmail.com> Wed Jul 16 23:58:12 2014 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Wed Jul 16 23:58:12 2014 +0300
tree 04aee6a8840fbab9e6a1ba161f2cb7ecaae5daed
parent fdfe9fce8ca667bba06b1b1a657f722fd9511562

Issue 21044: tarfile.open() now handles fileobj with an integer 'name'
attribute.  Based on patch by Martin Panter.

Lib/tarfile.py

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 57ea877..db5ff7f 100644
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -1522,7 +1522,8 @@
             fileobj = bltn_open(name, self._mode)
             self._extfileobj = False
         else:
-            if name is None and hasattr(fileobj, "name"):
+            if (name is None and hasattr(fileobj, "name") and
+                isinstance(fileobj.name, basestring)):
                 name = fileobj.name
             if hasattr(fileobj, "mode"):
                 self._mode = fileobj.mode