Patch #1504073: Fix tarfile.open() for mode "r" with a fileobj argument.
Backport from rev. 53161.
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index fbcd191..692d72a 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -625,6 +625,15 @@
self.assertEqual(tarfile.filemode(0755), '-rwxr-xr-x')
self.assertEqual(tarfile.filemode(07111), '---s--s--t')
+class OpenFileobjTest(BaseTest):
+ # Test for SF bug #1496501.
+
+ def test_opener(self):
+ fobj = StringIO.StringIO("foo\n")
+ try:
+ tarfile.open("", "r", fileobj=fobj)
+ except tarfile.ReadError:
+ self.assertEqual(fobj.tell(), 0, "fileobj's position has moved")
if bz2:
# Bzip2 TestCases
@@ -670,6 +679,7 @@
tests = [
FileModeTest,
+ OpenFileobjTest,
ReadTest,
ReadStreamTest,
ReadDetectTest,