commit 37c02acb6fddd3d745646736d8d8a2040b69c084
author Serhiy Storchaka <storchaka@gmail.com> Sun Nov 22 14:56:22 2015 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Sun Nov 22 14:56:22 2015 +0200
tree 5ab229cf117ab01608ad606e71885d7bca42abe3
parent a0ae9ff00653f461f44a5b195654cc9dcd0fef92

Issue #25624: ZipFile now always writes a ZIP_STORED header for directory
entries.  Patch by Dingyuan Wang.

Lib/zipfile.py

diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index b77e6c8..3ab66ce 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -1134,7 +1134,9 @@
             arcname += '/'
         zinfo = ZipInfo(arcname, date_time)
         zinfo.external_attr = (st[0] & 0xFFFF) << 16L      # Unix attributes
-        if compress_type is None:
+        if isdir:
+            zinfo.compress_type = ZIP_STORED
+        elif compress_type is None:
             zinfo.compress_type = self.compression
         else:
             zinfo.compress_type = compress_type