view bin/treepkgbuilder.py @ 177:df7498d0bd9d

Add bin/treepkgbuilder.py, a script to manage treepkg's pbuilder instance
author Bernhard Herzog <bh@intevation.de>
date Tue, 24 Jun 2008 17:52:14 +0000
parents
children 83c77307ffb1
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#! /usr/bin/python2.4
# Copyright (C) 2007, 2008 by Intevation GmbH
# Authors:
# Bernhard Herzog <bh@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with the software for details.

"""Usage: treepkgbuilder COMMAND [options]

Manage the pbuilder environment for a tree packager installation.  The
pbuilder settings are taken from the configuration file, either the
default treepkg.cfg or the one given with the --config-file option.
Also, this script assumes that there is only one pbuilder setting for
all packagers.  Use treepkgbuilder COMMAND --help for more details about
the commands.
"""

import sys

import treepkgcmd
from treepkg.options import create_parser
from treepkg.packager import create_package_track, PackagerGroup
from treepkg.readconfig import read_config


class Command(object):

    names = ()

    def __init__(self, arguments):
        parser = self.create_parser()
        self.opts, self.rest = parser.parse_args(arguments)

    def create_parser(self):
        return create_parser()

    def read_config(self):
        self.treepkg_opts, self.packager_opts \
                           = read_config(self.opts.config_file)

    def get_builder(self):
        self.read_config()
        group = PackagerGroup([create_package_track(**opts)
                               for opts in self.packager_opts],
                              **self.treepkg_opts)
        track = group.get_package_tracks()[0]
        return track.builder



class InitCommand(Command):

    names = ("init",)

    def __init__(self, arguments):
        super(InitCommand, self).__init__(arguments)
        if self.opts.mirrorsite is None:
            print >>sys.stderr, "Missing required option --mirrorsite"
            sys.exit(1)

    def create_parser(self):
        parser = super(InitCommand, self).create_parser()
        parser.set_defaults(distribution="etch")
        parser.add_option("--mirrorsite",
                          help=("The debian mirror site"
                                " (pbuilder MIRRORSITE setting).  Required."))
        parser.add_option("--othermirror",
                          help=("Extra contents of the OTHERMIRROR setting."
                                " See the pbuilder documentation for the"
                                " format."))
        parser.add_option("--distribution",
                          help=("The debian distribution for the pbuilder"
                                " chroot. Default is etch."))
        return parser

    def run(self):
        builder = self.get_builder()
        builder.init_pbuilder(distribution=self.opts.distribution,
                              mirrorsite=self.opts.mirrorsite,
                              extramirrors=self.opts.othermirror)


class UpdateCommand(Command):

    names = ("update",)

    def run(self):
        builder = self.get_builder()
        builder.update(suppress_output=False, log_info=False)


class HelpCommand(Command):

    names = ("help", "--help", "-h")

    def run(self):
        print __doc__.rstrip()
        print "Supported commands:"
        commands = sorted((cmd for cmd in iter_commands() if cmd.names),
                          key=lambda cmd: cmd.names[0])
        for cmd in commands:
            print "   ", " ".join(cmd.names)


def iter_commands():
    for key, obj in globals().items():
        if key.endswith("Command"):
            yield obj

def get_command_class(name):
    for obj in iter_commands():
        if name in obj.names:
            return obj
    return None


def main():
    arguments = sys.argv[1:]

    if len(arguments) < 1:
        print >>sys.stderr, "Missing command"
        sys.exit(1)

    command_name = arguments[0]
    arguments = arguments[1:]

    command_class = get_command_class(command_name)
    if command_class is None:
        print >>sys.stderr, "Unknown command %r" % command_name
        sys.exit(1)

    command = command_class(arguments)
    command.run()


main()
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