[fs.opener]
file = fs.opener.osfs:OSFSOpener
ftp = fs.opener.ftpfs:FTPOpener
mem = fs.opener.memoryfs:MemOpener
osfs = fs.opener.osfs:OSFSOpener
tar = fs.opener.tarfs:TarOpener
temp = fs.opener.tempfs:TempOpener
zip = fs.opener.zipfs:ZipOpener

