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authorSerhiy Storchaka <storchaka@gmail.com>2015-03-23 13:25:43 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2015-03-23 13:25:43 (GMT)
commitd4c2ac83944e48a02e5f11adba312d5b3b985150 (patch)
tree25dbafd2fa8763fa4388610ab9744c336433aac1 /Lib/gzip.py
parentf6e31b79a873cce039070289bcf1d6fe434cb19e (diff)
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Issue #21560: An attempt to write a data of wrong type no longer cause
GzipFile corruption. Original patch by Wolfgang Maier.
Diffstat (limited to 'Lib/gzip.py')
-rw-r--r--Lib/gzip.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/gzip.py b/Lib/gzip.py
index f934d4f..8b12225 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -339,9 +339,9 @@ class GzipFile(io.BufferedIOBase):
data = data.tobytes()
if len(data) > 0:
- self.size = self.size + len(data)
+ self.fileobj.write(self.compress.compress(data))
+ self.size += len(data)
self.crc = zlib.crc32(data, self.crc) & 0xffffffff
- self.fileobj.write( self.compress.compress(data) )
self.offset += len(data)
return len(data)