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gh-107396: tarfiles: set self.exception before _init_read_gz() (GH-107485)

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In the stack call of: _init_read_gz()
```
_read, tarfile.py:548
read, tarfile.py:526
_init_read_gz, tarfile.py:491
```
a try;except exists that uses `self.exception`, so it needs to be set before
calling _init_read_gz().
This commit is contained in:
balmeida-nokia 2023-08-21 12:39:06 +01:00 • committed by GitHub
parent 80bdebdd85
commit 37135d25e2
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3 changed files with 19 additions and 1 deletions
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Lib/tarfile.py
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@ -372,8 +372,8 @@ class _Stream:
self.zlib = zlib
self.crc = zlib.crc32(b"")
if mode == "r":
self._init_read_gz()
self.exception = zlib.error
self._init_read_gz()
else:
self._init_write_gz(compresslevel)