let parse_release_stanza fname par = {
fname = Filename.basename (fname);
origin = Packages.parse_s ~opt:"" Packages.parse_string "Origin" par;
label = Packages.parse_s ~opt:"" Packages.parse_string "Label" par;
suite = Packages.parse_s ~opt:"" Packages.parse_string "Suite" par;
version = Packages.parse_s ~opt:"" Packages.parse_string "Version" par;
codename = Packages.parse_s ~opt:"" Packages.parse_string "Codename" par;
date = Packages.parse_s ~opt:"" Packages.parse_string "Date" par;
architecture = Packages.parse_s ~opt:"" Packages.parse_string "Architectures" par;
component = Packages.parse_s ~opt:"" Packages.parse_string "Components" par;
notauto = Packages.parse_s ~opt:false Packages.parse_bool "NotAutomatic" par;
autoup = Packages.parse_s ~opt:false Packages.parse_bool "ButAutomaticUpgrades" par;
description = Packages.parse_s ~opt:"" Packages.parse_string "Description" par;
md5sums = [];
sha1 = [];
sha256 = []
}