New submission from Ondrej Kubecka:
Consider the following code snippet:
<snip>
import tarfile
tar1 = tarfile.open('tar1.tar.gz')
file_ = tar1.extractfile('FILE')
print(file_.name)
</snip>
Up until 3.2.x, the value of name attribute would be 'FILE' as derived from
tarinfo of the member. Starting with 3.3 (commits: b062a2fa 7a919e99) this
value be obtained from tarfile.fileobj ("parent" tarball file) and would return
'tar1.tar.gz' instead.
This does not seem to be correct as it's not a filename of the ExFileObject /
_FileInFile / io.BufferedReader object itself which would otherwise be
consistent with values normally found under name.
There is also a problem that this information no longer appears to be
accessible at all looking at the object returned from extractfile alone.
And looking at release notes of 3.3, this does not seem to be intentional
effect.
----------
components: Library (Lib)
messages: 293111
nosy: Ondrej Kubecka
priority: normal
severity: normal
status: open
title: object returned by tarfile.extractfile has an incorrect value of name
attribute
type: behavior
versions: Python 3.3, Python 3.4, Python 3.5, Python 3.6, Python 3.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue30282>
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