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

        self._files_in_archive = []
        try:
            archive = ZipFile(self.src)
        except BadZipfile:
            e = get_exception()
            if e.args[0].lower().startswith('bad magic number'):
                # Python2.4 can't handle zipfiles with > 64K files.  Try using
                # /usr/bin/unzip instead
                self._legacy_file_list(force_refresh)
            else:
                raise
        else:
            try:
                for member in archive.namelist():
                    if member not in self.excludes:
                        self._files_in_archive.append(to_native(member))
            except:
                archive.close()
                raise UnarchiveError('Unable to list files in the archive')

            archive.close()
        return self._files_in_archive