Method _proc_gnulong

Lib/tarfile.py:1416–1441

Process the blocks that hold a GNU longname or longlink member.

(self, tarfile)

        return self

    def _proc_gnulong(self, tarfile):
        """Process the blocks that hold a GNU longname
           or longlink member.
        """
        buf = tarfile.fileobj.read(self._block(self.size))

        # Fetch the next header and process it.
        try:
            next = self._fromtarfile(tarfile, dircheck=False)
        except HeaderError as e:
            raise SubsequentHeaderError(str(e)) from None

        # Patch the TarInfo object from the next header with
        # the longname information.
        next.offset = self.offset
        if self.type == GNUTYPE_LONGNAME:
            next.name = nts(buf, tarfile.encoding, tarfile.errors)
        elif self.type == GNUTYPE_LONGLINK:
            next.linkname = nts(buf, tarfile.encoding, tarfile.errors)

        # Remove redundant slashes from directories. This is to be consistent
        # with frombuf().
        if next.isdir():
            next.name = next.name.removesuffix("/")

        return next

    def _proc_sparse(self, tarfile):
        """Process a GNU sparse header plus extra headers.