unarchive.py 文件源码

def files_in_archive(self, force_refresh=False):
        if self._files_in_archive and not force_refresh:
            return self._files_in_archive

        cmd = [ self.cmd_path, '--list', '-C', self.dest ]
        if self.zipflag:
            cmd.append(self.zipflag)
        if self.opts:
            cmd.extend([ '--show-transformed-names' ] + self.opts)
        if self.excludes:
            cmd.extend([ '--exclude=' + quote(f) for f in self.excludes ])
        cmd.extend([ '-f', self.src ])
        rc, out, err = self.module.run_command(cmd, cwd=self.dest, environ_update=dict(LANG='C', LC_ALL='C', LC_MESSAGES='C'))
        if rc != 0:
            raise UnarchiveError('Unable to list files in the archive')

        for filename in out.splitlines():
            # Compensate for locale-related problems in gtar output (octal unicode representation) #11348
#            filename = filename.decode('string_escape')
            filename = codecs.escape_decode(filename)[0]
            if filename and filename not in self.excludes:
                self._files_in_archive.append(to_native(filename))
        return self._files_in_archive