#!/usr/bin/env python

# Output override files for apt-ftparchive and indices/
# Copyright (C) 2000, 2001, 2002, 2004  James Troup <james@nocrew.org>
# $Id: denise,v 1.17 2004-11-27 17:56:42 troup Exp $

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

################################################################################

# This is seperate because it's horribly Debian specific and I don't
# want that kind of horribleness in the otherwise generic natalie.  It
# does duplicate code tho.

################################################################################

import pg, sys;
import utils, db_access;
import apt_pkg;

################################################################################

Cnf = None;
projectB = None;
override = {}

################################################################################

def usage(exit_code=0):
    print """Usage: denise
Outputs the override tables to text files.

  -h, --help                show this help and exit."""
    sys.exit(exit_code)

################################################################################

def do_list(output_file, suite, component, otype):
    global override;

    suite_id = db_access.get_suite_id(suite);
    if suite_id == -1:
        utils.fubar("Suite '%s' not recognised." % (suite));

    component_id = db_access.get_component_id(component);
    if component_id == -1:
        utils.fubar("Component '%s' not recognised." % (component));

    otype_id = db_access.get_override_type_id(otype);
    if otype_id == -1:
        utils.fubar("Type '%s' not recognised. (Valid types are deb, udeb and dsc)" % (otype));

    override.setdefault(suite, {});
    override[suite].setdefault(component, {});
    override[suite][component].setdefault(otype, {});

    if otype == "dsc":
        q = projectB.query("SELECT o.package, s.section, o.maintainer FROM override o, section s WHERE o.suite = %s AND o.component = %s AND o.type = %s AND o.section = s.id ORDER BY s.section, o.package" % (suite_id, component_id, otype_id));
        for i in q.getresult():
            override[suite][component][otype][i[0]] = i;
            output_file.write(utils.result_join(i)+'\n');
    else:
        q = projectB.query("SELECT o.package, p.priority, s.section, o.maintainer, p.level FROM override o, priority p, section s WHERE o.suite = %s AND o.component = %s AND o.type = %s AND o.priority = p.id AND o.section = s.id ORDER BY s.section, p.level, o.package" % (suite_id, component_id, otype_id));
        for i in q.getresult():
            i = i[:-1]; # Strip the priority level
            override[suite][component][otype][i[0]] = i;
            output_file.write(utils.result_join(i)+'\n');

################################################################################

def main ():
    global Cnf, projectB, override;

    Cnf = utils.get_conf()
    Arguments = [('h',"help","Denise::Options::Help")];
    for i in [ "help" ]:
	if not Cnf.has_key("Denise::Options::%s" % (i)):
	    Cnf["Denise::Options::%s" % (i)] = "";
    apt_pkg.ParseCommandLine(Cnf,Arguments,sys.argv);
    Options = Cnf.SubTree("Denise::Options")
    if Options["Help"]:
	usage();

    projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]));
    db_access.init(Cnf, projectB);

    for suite in [ "stable", "unstable" ]:
        sys.stderr.write("Processing %s...\n" % (suite));
        override_suite = Cnf["Suite::%s::OverrideCodeName" % (suite)];
        for component in Cnf.SubTree("Component").List():
            if component == "mixed":
                continue; # Ick
            for otype in Cnf.ValueList("OverrideType"):
                if otype == "deb":
                    suffix = "";
                elif otype == "udeb":
                    if suite != "unstable" or component != "main":
                        continue; # Ick2
                    suffix = ".debian-installer";
                elif otype == "dsc":
                    suffix = ".src";
                filename = "%s/override.%s.%s%s" % (Cnf["Dir::Override"], override_suite, component.replace("non-US/", ""), suffix);
                output_file = utils.open_file(filename, 'w');
                do_list(output_file, suite, component, otype);
                output_file.close();

    # Munge the override file for testing by using unstable's where
    # possible and falling back on stable's where it's not.

    sys.stderr.write("Processing testing...\n");
    suite = "testing";
    suite_id = db_access.get_suite_id(suite);
    override_suite = Cnf["Suite::%s::OverrideCodeName" % (suite)];
    for component in Cnf.SubTree("Component").List():
        if component == "mixed":
            continue;
        component_id = db_access.get_component_id(component);
        for otype in Cnf.ValueList("OverrideType"):
            if otype == "deb" or otype == "udeb":
                if otype == "deb":
                    suffix = "";
                elif otype == "udeb":
                    if component != "main":
                        continue;
                    suffix = ".debian-installer";
                q = projectB.query("SELECT DISTINCT b.package FROM bin_associations ba, binaries b, files f, location l WHERE ba.suite = %s AND l.component = %s AND b.type = '%s' AND ba.bin = b.id AND b.file = f.id AND f.location = l.id" % (suite_id, component_id, otype));
            elif otype == "dsc":
                q = projectB.query("SELECT DISTINCT s.source FROM src_associations sa, source s, files f, location l WHERE sa.suite = %s AND l.component = %s AND sa.source = s.id AND s.file = f.id AND f.location = l.id" % (suite_id, component_id));
                suffix = ".src";
            filename = "%s/override.%s.%s%s" % (Cnf["Dir::Override"], override_suite, component.replace("non-US/", ""), suffix);
            output_file = utils.open_file(filename, 'w');
            for i in q.getresult():
                package = i[0];
                if otype == "deb" or otype == "dsc":
                    if override["unstable"][component][otype].has_key(package):
                        output_file.write(utils.result_join(override["unstable"][component][otype][package])+'\n');
                    elif override["stable"][component][otype].has_key(package):
                        output_file.write(utils.result_join(override["stable"][component][otype][package])+'\n');
                    else:
                        if otype == "dsc" and (override["unstable"][component]["deb"].has_key(package) or override["stable"][component]["deb"].has_key(package)):
                            continue; # source falls back on binary; so accept silently
                        utils.warn("Can't find override entry for testing package '%s' (component %s, type %s)." % (package, component, otype));
                elif otype == "udeb":
                    if component == "main" and override["unstable"][component][otype].has_key(package):
                        output_file.write(utils.result_join(override["unstable"][component][otype][package])+'\n');
                    else:
                        utils.warn("Can't find override entry for testing package '%s' (component %s, type %s)." % (package, component, otype));

            output_file.close();

################################################################################

if __name__ == '__main__':
    main();