[issue6054] tarfile normalizes arcname
New submission from mkv : When creating tar archives using the tarfile module, requested arc names are not respected. It is currently impossible to create a tar which when listing contents would give: $tar tvf test.tar ./ ./control ./prerm ./postinst The actual result will be $tar tvf test.tar ./ control prerm postinst This is caused by TarInfo's tobuf method calling normpath() on all file names, even when the user has explicitly specified a certain name. -- components: Library (Lib) messages: 88033 nosy: mkv severity: normal status: open title: tarfile normalizes arcname type: behavior versions: Python 2.6 ___ Python tracker <http://bugs.python.org/issue6054> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6054] tarfile normalizes arcname
mkv added the comment: I'm creating a debian package (.deb) for a system which uses busybox's dpkg. A deb is an ar-archive (not tar, unix ar) archive, which in turn contains two tar archives. dpkg will first extract a tar archive called control.tar.gz (or bz2) from the package, and from that tar it will extract a file stored with the path "./control". The problem is that with the current implementation of tarfile it's impossible to create a tar archive which would contain a file stored with the path "./control". This means it's impossible to use tarfile to create deb packages which would work with busybox' dpkg. I'm not 100% sure if that precise path is requirement of the deb file format, or if it is because of how busybox' dpkg is implemented. However I have not seen a packaging guide or a deb package which wouldn't have the control file stored as ./control in the tar archive. -- ___ Python tracker <http://bugs.python.org/issue6054> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6054] tarfile normalizes arcname
mkv added the comment: Great, thanks for the speedy work :) Now if only issue4750 would get fixed for 2.7 as well ;) -- ___ Python tracker <http://bugs.python.org/issue6054> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
