Issue #29094: Offsets in a ZIP file created with extern file object and modes

"w" and "x" now are relative to the start of the file.
This commit is contained in:
Serhiy Storchaka 2017-01-01 19:00:30 +02:00
parent b47913f54f
commit 34cba33403
2 changed files with 6 additions and 2 deletions

View File

@ -1028,11 +1028,12 @@ class ZipFile:
# set the modified flag so central directory gets written
# even if no files are added to the archive
self._didModify = True
self._start_disk = 0
try:
self.start_dir = self._start_disk = self.fp.tell()
self.start_dir = self.fp.tell()
except (AttributeError, OSError):
self.fp = _Tellable(self.fp)
self.start_dir = self._start_disk = 0
self.start_dir = 0
self._seekable = False
else:
# Some file-like objects can provide tell() but not seek()

View File

@ -140,6 +140,9 @@ Core and Builtins
Library
-------
- Issue #29094: Offsets in a ZIP file created with extern file object and modes
"w" and "x" now are relative to the start of the file.
- Issue #13051: Fixed recursion errors in large or resized
curses.textpad.Textbox. Based on patch by Tycho Andersen.