changeset:   94427:4f96e9a8eee8
user:        Serhiy Storchaka <storchaka@gmail.com>
date:        Sun Feb 01 19:01:10 2015 +0200
files:       Lib/zipfile.py
description:
Don't seek to the start of the file when open ZipFile with the 'w' mode
(regression introduced in issue #14099).


diff -r 6405709f4f82 -r 4f96e9a8eee8 Lib/zipfile.py
--- a/Lib/zipfile.py	Sun Feb 01 15:18:14 2015 +0000
+++ b/Lib/zipfile.py	Sun Feb 01 19:01:10 2015 +0200
@@ -1002,7 +1002,7 @@
                 # set the modified flag so central directory gets written
                 # even if no files are added to the archive
                 self._didModify = True
-                self.start_dir = 0
+                self.start_dir = self.fp.tell()
             elif mode == 'a':
                 try:
                     # See if file is a zip file