commit ae557d767fa0862188a17914eb07b74088ed4d29
author Nadeem Vawda <nadeem.vawda@gmail.com> Sun Feb 12 01:51:38 2012 +0200
committer Nadeem Vawda <nadeem.vawda@gmail.com> Sun Feb 12 01:51:38 2012 +0200
tree acd9d5cb6fd49f4cb40399eec3b866d10e8f855a
parent d7e5c6ed7f8402a3ce2e6acb0cc6253456878773

Fix seekable() in BZ2File and LZMAFile to check whether the underlying file supports seek().

Lib/test/test_bz2.py

diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index 0f8d149..cc416ed 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -372,6 +372,15 @@
             bz2f.close()
         self.assertRaises(ValueError, bz2f.seekable)
 
+        src = BytesIO(self.DATA)
+        src.seekable = lambda: False
+        bz2f = BZ2File(fileobj=src)
+        try:
+            self.assertFalse(bz2f.seekable())
+        finally:
+            bz2f.close()
+        self.assertRaises(ValueError, bz2f.seekable)
+
     def testReadable(self):
         bz2f = BZ2File(fileobj=BytesIO(self.DATA))
         try: