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bpo-39693: mention KeyError in tarfile extractfile documentation (GH-18639) 

Co-authored-by: Andrey Darascheka <andrei.daraschenka@leverx.com>
This commit is contained in:
Andrey Doroschenko 2020-10-20 17:05:01 +03:00 committed by GitHub
parent faddc7449d
commit ec42789e6e
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4 changed files with 11 additions and 7 deletions
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9
Doc/library/tarfile.rst
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@ -445,10 +445,11 @@ be finalized; only the internally used file object will be closed. See the
.. method:: TarFile.extractfile(member) .. method:: TarFile.extractfile(member)
Extract a member from the archive as a file object. *member* may be a filename Extract a member from the archive as a file object. *member* may be
or a :class:`TarInfo` object. If *member* is a regular file or a link, an a filename or a :class:`TarInfo` object. If *member* is a regular file or
:class:`io.BufferedReader` object is returned. Otherwise, :const:`None` is a link, an :class:`io.BufferedReader` object is returned. For all other
returned. existing members, :const:`None` is returned. If *member* does not appear
in the archive, :exc:`KeyError` is raised.
.. versionchanged:: 3.3 .. versionchanged:: 3.3
Return an :class:`io.BufferedReader` object. Return an :class:`io.BufferedReader` object.

7
Lib/tarfile.py
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@ -2093,9 +2093,10 @@ class TarFile(object):
def extractfile(self, member): def extractfile(self, member):
"""Extract a member from the archive as a file object. `member' may be """Extract a member from the archive as a file object. `member' may be
a filename or a TarInfo object. If `member' is a regular file or a a filename or a TarInfo object. If `member' is a regular file or
link, an io.BufferedReader object is returned. Otherwise, None is a link, an io.BufferedReader object is returned. For all other
returned. existing members, None is returned. If `member' does not appear
in the archive, KeyError is raised.
""" """
self._check("r") self._check("r")

1
Misc/ACKS
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@ -1957,5 +1957,6 @@ Gennadiy Zlobin
Doug Zongker Doug Zongker
Peter Åstrand Peter Åstrand
Vlad Emelianov Vlad Emelianov
Andrey Doroschenko
(Entries should be added in rough alphabetical order by last names) (Entries should be added in rough alphabetical order by last names)

1
Misc/NEWS.d/next/Documentation/2020-02-24-09-02-05.bpo-39693.QXw0Fm.rst Normal file
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@ -0,0 +1 @@
Fix tarfile's extractfile documentation