Patch #1110248: SYNC_FLUSH the zlib buffer for GZipFile.flush.
Partially fixes #1110242.
diff --git a/Lib/gzip.py b/Lib/gzip.py
index 5f638c4..48bd522 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -331,7 +331,10 @@
return
self.close()
- def flush(self):
+ def flush(self,zlib_mode=zlib.Z_SYNC_FLUSH):
+ if self.mode == WRITE:
+ # Ensure the compressor's buffer is flushed
+ self.fileobj.write(self.compress.flush(zlib_mode))
self.fileobj.flush()
def fileno(self):
diff --git a/Misc/NEWS b/Misc/NEWS
index 0912e00..5bbc921 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -59,6 +59,8 @@
Library
-------
+- Patch #1110248: SYNC_FLUSH the zlib buffer for GZipFile.flush.
+
- Patch #1107973: Allow to iterate over the lines of a tarfile.ExFileObject.
- Patch #1104111: Alter setup.py --help and --help-commands.