[people/stevee/pakfire.git] / python / pakfire / cli.py

#!/usr/bin/python
###############################################################################
#                                                                             #
# Pakfire - The IPFire package management system                              #
# Copyright (C) 2011 Pakfire development team                                 #
#                                                                             #
# 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 3 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, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

import argparse
import os
import sys

import pakfire.api as pakfire

import client
import config
import logger
import packages
import repository
import server
import util

from system import system
from constants import *
from i18n import _

# Initialize a very simple logging that is removed when a Pakfire instance
# is started.
logger.setup_logging()

class Cli(object):
	def __init__(self):
		self.parser = argparse.ArgumentParser(
			description = _("Pakfire command line interface."),
		)

		self.parse_common_arguments()

		self.parser.add_argument("--root", metavar="PATH",
			default="/",
			help=_("The path where pakfire should operate in."))

		# Add sub-commands.
		self.sub_commands = self.parser.add_subparsers()

		self.parse_command_install()
		self.parse_command_localinstall()
		self.parse_command_reinstall()
		self.parse_command_remove()
		self.parse_command_info()
		self.parse_command_search()
		self.parse_command_check_update()
		self.parse_command_update()
		self.parse_command_downgrade()
		self.parse_command_provides()
		self.parse_command_grouplist()
		self.parse_command_groupinstall()
		self.parse_command_repolist()
		self.parse_command_clean()
		self.parse_command_check()
		self.parse_command_resolvdep()

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

		self.action2func = {
			"install"      : self.handle_install,
			"localinstall" : self.handle_localinstall,
			"reinstall"    : self.handle_reinstall,
			"remove"       : self.handle_remove,
			"check_update" : self.handle_check_update,
			"update"       : self.handle_update,
			"downgrade"    : self.handle_downgrade,
			"info"         : self.handle_info,
			"search"       : self.handle_search,
			"provides"     : self.handle_provides,
			"grouplist"    : self.handle_grouplist,
			"groupinstall" : self.handle_groupinstall,
			"repolist"     : self.handle_repolist,
			"clean_all"    : self.handle_clean_all,
			"check"        : self.handle_check,
			"resolvdep"    : self.handle_resolvdep,
		}

	@property
	def pakfire_args(self):
		ret = { "mode" : "normal" }

		if hasattr(self.args, "root"):
			ret["path"] = self.args.root

		if hasattr(self.args, "disable_repo"):
			ret["disable_repos"] = self.args.disable_repo

		if hasattr(self.args, "enable_repo"):
			ret["enable_repos"] = self.args.enable_repo

		if hasattr(self.args, "offline"):
			ret["offline"] = self.args.offline

		return ret

	def parse_common_arguments(self, repo_manage_switches=True, offline_switch=True):
		self.parser.add_argument("--version", action="version",
			version="%(prog)s " + PAKFIRE_VERSION)

		self.parser.add_argument("-v", "--verbose", action="store_true",
			help=_("Enable verbose output."))

		self.parser.add_argument("-c", "--config", nargs="?",
			help=_("Path to a configuration file to load."))

		if repo_manage_switches:
			self.parser.add_argument("--disable-repo", nargs="*", metavar="REPO",
				help=_("Disable a repository temporarily."))

			self.parser.add_argument("--enabled-repo", nargs="*", metavar="REPO",
				help=_("Enable a repository temporarily."))

		if offline_switch:
			self.parser.add_argument("--offline", action="store_true",
				help=_("Run pakfire in offline mode."))

	def parse_command_install(self):
		# Implement the "install" command.
		sub_install = self.sub_commands.add_parser("install",
			help=_("Install one or more packages to the system."))
		sub_install.add_argument("package", nargs="+",
			help=_("Give name of at least one package to install."))
		sub_install.add_argument("action", action="store_const", const="install")

	def parse_command_localinstall(self):
		# Implement the "localinstall" command.
		sub_install = self.sub_commands.add_parser("localinstall",
			help=_("Install one or more packages from the filesystem."))
		sub_install.add_argument("package", nargs="+",
			help=_("Give filename of at least one package."))
		sub_install.add_argument("action", action="store_const", const="localinstall")

	def parse_command_reinstall(self):
		# Implement the "reinstall" command.
		sub_install = self.sub_commands.add_parser("reinstall",
			help=_("Reinstall one or more packages."))
		sub_install.add_argument("package", nargs="+",
			help=_("Give name of at least one package to reinstall."))
		sub_install.add_argument("action", action="store_const", const="reinstall")

	def parse_command_remove(self):
		# Implement the "remove" command.
		sub_remove = self.sub_commands.add_parser("remove",
			help=_("Remove one or more packages from the system."))
		sub_remove.add_argument("package", nargs="+",
			help=_("Give name of at least one package to remove."))
		sub_remove.add_argument("action", action="store_const", const="remove")

	@staticmethod
	def _parse_command_update(parser):
		parser.add_argument("package", nargs="*",
			help=_("Give a name of a package to update or leave emtpy for all."))
		parser.add_argument("--exclude", "-x", nargs="+",
			help=_("Exclude package from update."))
		parser.add_argument("--allow-vendorchange", action="store_true",
			help=_("Allow changing the vendor of packages."))
		parser.add_argument("--allow-archchange", action="store_true",
			help=_("Allow changing the architecture of packages."))

	def parse_command_update(self):
		# Implement the "update" command.
		sub_update = self.sub_commands.add_parser("update",
			help=_("Update the whole system or one specific package."))
		sub_update.add_argument("action", action="store_const", const="update")
		self._parse_command_update(sub_update)

	def parse_command_check_update(self):
		# Implement the "check-update" command.
		sub_check_update = self.sub_commands.add_parser("check-update",
			help=_("Check, if there are any updates available."))
		sub_check_update.add_argument("action", action="store_const", const="check_update")
		self._parse_command_update(sub_check_update)

	def parse_command_downgrade(self):
		# Implement the "downgrade" command.
		sub_downgrade = self.sub_commands.add_parser("downgrade",
			help=_("Downgrade one or more packages."))
		sub_downgrade.add_argument("package", nargs="*",
			help=_("Give a name of a package to downgrade."))
		sub_downgrade.add_argument("--allow-vendorchange", action="store_true",
			help=_("Allow changing the vendor of packages."))
		sub_downgrade.add_argument("--allow-archchange", action="store_true",
			help=_("Allow changing the architecture of packages."))
		sub_downgrade.add_argument("action", action="store_const", const="downgrade")

	def parse_command_info(self):
		# Implement the "info" command.
		sub_info = self.sub_commands.add_parser("info",
			help=_("Print some information about the given package(s)."))
		sub_info.add_argument("package", nargs="+",
			help=_("Give at least the name of one package."))
		sub_info.add_argument("action", action="store_const", const="info")

	def parse_command_search(self):
		# Implement the "search" command.
		sub_search = self.sub_commands.add_parser("search",
			help=_("Search for a given pattern."))
		sub_search.add_argument("pattern",
			help=_("A pattern to search for."))
		sub_search.add_argument("action", action="store_const", const="search")

	def parse_command_provides(self):
		# Implement the "provides" command
		sub_provides = self.sub_commands.add_parser("provides",
			help=_("Get a list of packages that provide a given file or feature."))
		sub_provides.add_argument("pattern", nargs="+",
			help=_("File or feature to search for."))
		sub_provides.add_argument("action", action="store_const", const="provides")

	def parse_command_grouplist(self):
		# Implement the "grouplist" command
		sub_grouplist = self.sub_commands.add_parser("grouplist",
			help=_("Get list of packages that belong to the given group."))
		sub_grouplist.add_argument("group", nargs=1,
			help=_("Group name to search for."))
		sub_grouplist.add_argument("action", action="store_const", const="grouplist")

	def parse_command_groupinstall(self):
		# Implement the "grouplist" command
		sub_groupinstall = self.sub_commands.add_parser("groupinstall",
			help=_("Install all packages that belong to the given group."))
		sub_groupinstall.add_argument("group", nargs=1,
			help=_("Group name."))
		sub_groupinstall.add_argument("action", action="store_const", const="groupinstall")

	def parse_command_repolist(self):
		# Implement the "repolist" command
		sub_repolist = self.sub_commands.add_parser("repolist",
			help=_("List all currently enabled repositories."))
		sub_repolist.add_argument("action", action="store_const", const="repolist")

	def parse_command_clean(self):
		sub_clean = self.sub_commands.add_parser("clean", help=_("Cleanup commands."))

		sub_clean_commands = sub_clean.add_subparsers()

		self.parse_command_clean_all(sub_clean_commands)

	def parse_command_clean_all(self, sub_commands):
		sub_create = sub_commands.add_parser("all",
			help=_("Cleanup all temporary files."))
		sub_create.add_argument("action", action="store_const", const="clean_all")

	def parse_command_check(self):
		# Implement the "check" command
		sub_check = self.sub_commands.add_parser("check",
			help=_("Check the system for any errors."))
		sub_check.add_argument("action", action="store_const", const="check")

	def parse_command_resolvdep(self):
		# Implement the "resolvdep" command.
		sub_resolvdep = self.sub_commands.add_parser("resolvdep",
			help=_("Check the dependencies for a particular package."))
		sub_resolvdep.add_argument("package", nargs="+",
			help=_("Give name of at least one package to check."))
		sub_resolvdep.add_argument("action", action="store_const", const="resolvdep")

	def run(self):
		action = self.args.action

		try:
			func = self.action2func[action]
		except KeyError:
			raise Exception, "Unhandled action: %s" % action

		return func()

	def handle_info(self, long=False):
		pkgs = pakfire.info(self.args.package, **self.pakfire_args)

		for pkg in pkgs:
			print pkg.dump(long=long)

	def handle_search(self):
		pkgs = pakfire.search(self.args.pattern, **self.pakfire_args)

		for pkg in pkgs:
			print pkg.dump(short=True)

	def handle_update(self, **args):
		args.update(self.pakfire_args)

		pakfire.update(self.args.package, excludes=self.args.exclude,
			allow_vendorchange=self.args.allow_vendorchange,
			allow_archchange=self.args.allow_archchange,
			**args)

	def handle_check_update(self):
		self.handle_update(check=True)

	def handle_downgrade(self, **args):
		args.update(self.pakfire_args)

		pakfire.downgrade(self.args.package,
			allow_vendorchange=self.args.allow_vendorchange,
			allow_archchange=self.args.allow_archchange,
			**args)

	def handle_install(self):
		pakfire.install(self.args.package, **self.pakfire_args)

	def handle_localinstall(self):
		pakfire.localinstall(self.args.package, **self.pakfire_args)

	def handle_reinstall(self):
		pakfire.reinstall(self.args.package, **self.pakfire_args)

	def handle_remove(self):
		pakfire.remove(self.args.package, **self.pakfire_args)

	def handle_provides(self):
		pkgs = pakfire.provides(self.args.pattern, **self.pakfire_args)

		for pkg in pkgs:
			print pkg.dump()

	def handle_grouplist(self):
		pkgs = pakfire.grouplist(self.args.group[0], **self.pakfire_args)

		for pkg in pkgs:
			print " * %s" % pkg

	def handle_groupinstall(self):
		pakfire.groupinstall(self.args.group[0], **self.pakfire_args)

	def handle_repolist(self):
		repos = pakfire.repo_list(**self.pakfire_args)

		FORMAT = " %-20s %8s %12s %12s "

		title = FORMAT % (_("Repository"), _("Enabled"), _("Priority"), _("Packages"))
		print title
		print "=" * len(title) # spacing line

		for repo in repos:
			# Skip the installed repository.
			if repo.name == "installed":
				continue

			print FORMAT % (repo.name, repo.enabled, repo.priority, len(repo))

	def handle_clean_all(self):
		print _("Cleaning up everything...")

		pakfire.clean_all(**self.pakfire_args)

	def handle_check(self):
		pakfire.check(**self.pakfire_args)

	def handle_resolvdep(self):
		pakfire.resolvdep(self.args.package, **self.pakfire_args)


class CliBuilder(Cli):
	def __init__(self):
		# Check if we are already running in a pakfire container. In that
		# case, we cannot start another pakfire-builder.
		if os.environ.get("container", None) == "pakfire-builder":
			raise PakfireContainerError, _("You cannot run pakfire-builder in a pakfire chroot.")

		self.parser = argparse.ArgumentParser(
			description = _("Pakfire builder command line interface."),
		)

		self.parse_common_arguments()

		# Add sub-commands.
		self.sub_commands = self.parser.add_subparsers()

		self.parse_command_build()
		self.parse_command_dist()
		self.parse_command_info()
		self.parse_command_search()
		self.parse_command_shell()
		self.parse_command_update()
		self.parse_command_provides()
		self.parse_command_grouplist()
		self.parse_command_repolist()
		self.parse_command_clean()
		self.parse_command_resolvdep()
		self.parse_command_cache()

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

		self.action2func = {
			"build"       : self.handle_build,
			"dist"        : self.handle_dist,
			"update"      : self.handle_update,
			"info"        : self.handle_info,
			"search"      : self.handle_search,
			"shell"       : self.handle_shell,
			"provides"    : self.handle_provides,
			"grouplist"   : self.handle_grouplist,
			"repolist"    : self.handle_repolist,
			"clean_all"   : self.handle_clean_all,
			"resolvdep"   : self.handle_resolvdep,
			"cache_create": self.handle_cache_create,
			"cache_cleanup": self.handle_cache_cleanup,
		}

	@property
	def pakfire_args(self):
		ret = { "mode" : "builder" }

		if hasattr(self.args, "disable_repo"):
			ret["disable_repos"] = self.args.disable_repo

		if hasattr(self.args, "enable_repo"):
			ret["enable_repos"] = self.args.enable_repo

		if hasattr(self.args, "offline"):
			ret["offline"] = self.args.offline

		return ret

	def parse_command_update(self):
		# Implement the "update" command.
		sub_update = self.sub_commands.add_parser("update",
			help=_("Update the package indexes."))
		sub_update.add_argument("action", action="store_const", const="update")

	def parse_command_build(self):
		# Implement the "build" command.
		sub_build = self.sub_commands.add_parser("build",
			help=_("Build one or more packages."))
		sub_build.add_argument("package", nargs=1,
			help=_("Give name of at least one package to build."))
		sub_build.add_argument("action", action="store_const", const="build")

		sub_build.add_argument("-a", "--arch",
			help=_("Build the package for the given architecture."))
		sub_build.add_argument("--resultdir", nargs="?",
			help=_("Path were the output files should be copied to."))
		sub_build.add_argument("-m", "--mode", nargs="?", default="development",
			help=_("Mode to run in. Is either 'release' or 'development' (default)."))
		sub_build.add_argument("--after-shell", action="store_true",
			help=_("Run a shell after a successful build."))

	def parse_command_shell(self):
		# Implement the "shell" command.
		sub_shell = self.sub_commands.add_parser("shell",
			help=_("Go into a shell."))
		sub_shell.add_argument("package", nargs="?",
			help=_("Give name of a package."))
		sub_shell.add_argument("action", action="store_const", const="shell")

		sub_shell.add_argument("-a", "--arch",
			help=_("Emulated architecture in the shell."))
		sub_shell.add_argument("-m", "--mode", nargs="?", default="development",
			help=_("Mode to run in. Is either 'release' or 'development' (default)."))

	def parse_command_dist(self):
		# Implement the "dist" command.
		sub_dist = self.sub_commands.add_parser("dist",
			help=_("Generate a source package."))
		sub_dist.add_argument("package", nargs="+",
			help=_("Give name(s) of a package(s)."))
		sub_dist.add_argument("action", action="store_const", const="dist")

		sub_dist.add_argument("--resultdir", nargs="?",
			help=_("Path were the output files should be copied to."))

	def parse_command_cache(self):
		# Implement the "cache" command.
		sub_cache = self.sub_commands.add_parser("cache",
			help=_("Create a build environment cache."))

		# Implement subcommands.
		sub_cache_commands = sub_cache.add_subparsers()

                self.parse_command_cache_create(sub_cache_commands)
                self.parse_command_cache_cleanup(sub_cache_commands)

	def parse_command_cache_create(self, sub_commands):
		sub_create = sub_commands.add_parser("create",
			help=_("Create a new build environment cache."))
		sub_create.add_argument("action", action="store_const", const="cache_create")

	def parse_command_cache_cleanup(self, sub_commands):
		sub_cleanup = sub_commands.add_parser("cleanup",
			help=_("Remove all cached build environments."))
		sub_cleanup.add_argument("action", action="store_const", const="cache_cleanup")

	def handle_info(self):
		Cli.handle_info(self, long=True)

	def handle_build(self):
		# Get the package descriptor from the command line options
		pkg = self.args.package[0]

		# Check, if we got a regular file
		if os.path.exists(pkg):
			pkg = os.path.abspath(pkg)

		else:
			raise FileNotFoundError, pkg

		# Create distribution configuration from command line.
		distro_config = {
			"arch" : self.args.arch,
		}

		pakfire.build(pkg, builder_mode=self.args.mode,
			distro_config=distro_config, resultdirs=[self.args.resultdir,],
			shell=True, after_shell=self.args.after_shell, **self.pakfire_args)

	def handle_shell(self):
		pkg = None

		# Get the package descriptor from the command line options
		if self.args.package:
			pkg = self.args.package

			# Check, if we got a regular file
			if os.path.exists(pkg):
				pkg = os.path.abspath(pkg)

			else:
				raise FileNotFoundError, pkg

		# Create distribution configuration from command line.
		distro_config = {
			"arch" : self.args.arch,
		}

		pakfire.shell(pkg, builder_mode=self.args.mode,
			distro_config=distro_config, **self.pakfire_args)

	def handle_dist(self):
		# Get the packages from the command line options
		pkgs = []

		for pkg in self.args.package:
			# Check, if we got a regular file
			if os.path.exists(pkg):
				pkg = os.path.abspath(pkg)
				pkgs.append(pkg)

			else:
				raise FileNotFoundError, pkg

		# Put packages to where the user said or our
		# current working directory.
		resultdir = self.args.resultdir or os.getcwd()

		# Change the default pakfire configuration, because
		# packaging source packages can be done in server mode.
		pakfire_args = self.pakfire_args
		pakfire_args["mode"] = "server"

		for pkg in pkgs:
			pakfire.dist(pkg, resultdir=resultdir, **pakfire_args)

	def handle_provides(self):
		pkgs = pakfire.provides(self.args.pattern, **self.pakfire_args)

		for pkg in pkgs:
			print pkg.dump(long=True)

	def handle_cache_create(self):
		pakfire.cache_create(**self.pakfire_args)

	def handle_cache_cleanup(self):
		for env in os.listdir(CACHE_ENVIRON_DIR):
			if not env.endswith(".cache"):
				continue

			print _("Removing environment cache file: %s..." % env)
			env = os.path.join(CACHE_ENVIRON_DIR, env)

			try:
				os.unlink(env)
			except OSError:
				print _("Could not remove file: %s") % env


class CliServer(Cli):
	def __init__(self):
		self.parser = argparse.ArgumentParser(
			description = _("Pakfire server command line interface."),
		)

		self.parse_common_arguments()

		# Add sub-commands.
		self.sub_commands = self.parser.add_subparsers()

		self.parse_command_build()
		self.parse_command_keepalive()
		self.parse_command_repoupdate()
		self.parse_command_repo()
		self.parse_command_info()

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

		self.server = server.Server(**self.pakfire_args)

		self.action2func = {
			"build"      : self.handle_build,
			"info"       : self.handle_info,
			"keepalive"  : self.handle_keepalive,
			"repoupdate" : self.handle_repoupdate,
			"repo_create": self.handle_repo_create,
		}

	@property
	def pakfire_args(self):
		ret = { "mode" : "server" }

		if hasattr(self.args, "offline"):
			ret["offline"] = self.args.offline

		return ret

	def parse_command_build(self):
		# Implement the "build" command.
		sub_build = self.sub_commands.add_parser("build",
			help=_("Send a scrach build job to the server."))
		sub_build.add_argument("package", nargs=1,
			help=_("Give name of at least one package to build."))
		sub_build.add_argument("--arch", "-a",
			help=_("Limit build to only these architecture(s)."))
		sub_build.add_argument("action", action="store_const", const="build")

	def parse_command_keepalive(self):
		# Implement the "keepalive" command.
		sub_keepalive = self.sub_commands.add_parser("keepalive",
			help=_("Send a keepalive to the server."))
		sub_keepalive.add_argument("action", action="store_const",
			const="keepalive")

	def parse_command_repoupdate(self):
		# Implement the "repoupdate" command.
		sub_repoupdate = self.sub_commands.add_parser("repoupdate",
			help=_("Update all repositories."))
		sub_repoupdate.add_argument("action", action="store_const",
			const="repoupdate")

	def parse_command_repo(self):
		sub_repo = self.sub_commands.add_parser("repo",
			help=_("Repository management commands."))

		sub_repo_commands = sub_repo.add_subparsers()

		self.parse_command_repo_create(sub_repo_commands)

	def parse_command_repo_create(self, sub_commands):
		sub_create = sub_commands.add_parser("create",
			help=_("Create a new repository index."))
		sub_create.add_argument("path", nargs=1, help=_("Path to the packages."))
		sub_create.add_argument("inputs", nargs="+", help=_("Path to input packages."))
		sub_create.add_argument("action", action="store_const", const="repo_create")

	def parse_command_info(self):
		sub_info = self.sub_commands.add_parser("info",
			help=_("Dump some information about this machine."))
		sub_info.add_argument("action", action="store_const", const="info")

	def handle_keepalive(self):
		self.server.update_info()

	def handle_build(self):
		# Arch.
		if self.args.arch:
			arches = self.args.arch.split()

		(package,) = self.args.package

		self.server.create_scratch_build({})
		return

		# Temporary folter for source package.
		tmpdir = "/tmp/pakfire-%s" % util.random_string()

		try:
			os.makedirs(tmpdir)

			pakfire.dist(package, resultdir=[tmpdir,])

			for file in os.listdir(tmpdir):
				file = os.path.join(tmpdir, file)

				print file

		finally:
			if os.path.exists(tmpdir):
				util.rm(tmpdir)

	def handle_repoupdate(self):
		self.server.update_repositories()

	def handle_repo_create(self):
		path = self.args.path[0]

		pakfire.repo_create(path, self.args.inputs, **self.pakfire_args)

	def handle_info(self):
		info = self.server.info()

		print "\n".join(info)


class CliBuilderIntern(Cli):
	def __init__(self):
		self.parser = argparse.ArgumentParser(
			description = _("Pakfire builder command line interface."),
		)

		self.parse_common_arguments()

		# Add sub-commands.
		self.sub_commands = self.parser.add_subparsers()

		self.parse_command_build()

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

		self.action2func = {
			"build"       : self.handle_build,
		}

	def parse_command_build(self):
		# Implement the "build" command.
		sub_build = self.sub_commands.add_parser("build",
			help=_("Build one or more packages."))
		sub_build.add_argument("package", nargs=1,
			help=_("Give name of at least one package to build."))
		sub_build.add_argument("action", action="store_const", const="build")

		sub_build.add_argument("-a", "--arch",
			help=_("Build the package for the given architecture."))
		sub_build.add_argument("--resultdir", nargs="?",
			help=_("Path were the output files should be copied to."))
		sub_build.add_argument("-m", "--mode", nargs="?", default="development",
			help=_("Mode to run in. Is either 'release' or 'development' (default)."))
		sub_build.add_argument("--nodeps", action="store_true",
			help=_("Do not verify build dependencies."))

	def handle_build(self):
		# Get the package descriptor from the command line options
		pkg = self.args.package[0]

		# Check, if we got a regular file
		if os.path.exists(pkg):
			pkg = os.path.abspath(pkg)
		else:
			raise FileNotFoundError, pkg

		# Create distribution configuration from command line.
		distro_config = {
			"arch" : self.args.arch,
		}

		pakfire._build(pkg, builder_mode=self.args.mode,
			distro_config=distro_config, resultdir=self.args.resultdir,)


class CliClient(Cli):
	def __init__(self):
		self.parser = argparse.ArgumentParser(
			description = _("Pakfire client command line interface."),
		)

		self.parse_common_arguments(repo_manage_switches=True, offline_switch=True)

		# Add sub-commands.
		self.sub_commands = self.parser.add_subparsers()

		self.parse_command_build()
		self.parse_command_connection_check()
		self.parse_command_info()

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

		self.action2func = {
			"build"       : self.handle_build,
			"conn-check"  : self.handle_connection_check,
			"info"        : self.handle_info,
		}

		# Read configuration for the pakfire client.
		self.conf = conf = config.ConfigClient()

		# Create connection to pakfire hub.
		self.client = client.PakfireUserClient(
			conf.get("client", "server"),
			conf.get("client", "username"),
			conf.get("client", "password"),
		)

	def parse_command_build(self):
		# Parse "build" command.
		sub_build = self.sub_commands.add_parser("build",
			help=_("Build a package remotely."))
		sub_build.add_argument("package", nargs=1,
			help=_("Give name of a package to build."))
		sub_build.add_argument("action", action="store_const", const="build")

		sub_build.add_argument("-a", "--arch",
			help=_("Build the package for the given architecture."))

	def parse_command_info(self):
		# Implement the "info" command.
		sub_info = self.sub_commands.add_parser("info",
			help=_("Print some information about this host."))
		sub_info.add_argument("action", action="store_const", const="info")

	def parse_command_connection_check(self):
		# Implement the "conn-check" command.
		sub_conn_check = self.sub_commands.add_parser("conn-check",
			help=_("Check the connection to the hub."))
		sub_conn_check.add_argument("action", action="store_const", const="conn-check")

	def handle_build(self):
		(package,) = self.args.package

		# XXX just for now, we do only upload source pfm files.
		assert os.path.exists(package)

		# Format arches.
		if self.args.arch:
			arches = self.args.arch.replace(",", " ")
		else:
			arches = None

		# Create a new build on the server.
		build = self.client.build_create(package, arches=arches)

		# XXX Print the resulting build.
		print build

	def handle_info(self):
		ret = []

		ret.append("")
		ret.append("  PAKFIRE %s" % PAKFIRE_VERSION)
		ret.append("")
		ret.append("  %-20s: %s" % (_("Hostname"), system.hostname))
		ret.append("  %-20s: %s" % (_("Pakfire hub"), self.conf.get("client", "server")))
		if self.conf.get("client", "username") and self.conf.get("client", "password"):
			ret.append("  %-20s: %s" % \
				(_("Username"), self.conf.get("client", "username")))
		ret.append("")

		# Hardware information
		ret.append("  %s:" % _("Hardware information"))
		ret.append("      %-16s: %s" % (_("CPU model"), system.cpu_model))
		ret.append("      %-16s: %s" % (_("Memory"),    util.format_size(system.memory)))
		ret.append("")
		ret.append("      %-16s: %s" % (_("Native arch"), system.native_arch))
		if not system.arch == system.native_arch:
			ret.append("      %-16s: %s" % (_("Default arch"), system.arch))

		header = _("Supported arches")
		for arch in system.supported_arches:
			ret.append("      %-16s: %s" % (header, arch))
			header = ""
		ret.append("")

		for line in ret:
			print line

	def handle_connection_check(self):
		ret = []

		address = self.client.get_my_address()
		ret.append("  %-20s: %s" % (_("Your IP address"), address))
		ret.append("")

		authenticated = self.client.check_auth()
		if authenticated:
			ret.append("  %s" % _("You are authenticated to the build service:"))

			user = self.client.get_user_profile()
			assert user, "Could not fetch user infomation"

			keys = [
				("name",       _("User name")),
				("realname",   _("Real name")),
				("email",      _("Email address")),
				("registered", _("Registered")),
			]

			for key, desc in keys:
				ret.append("    %-18s: %s" % (desc, user.get(key)))

		else:
			ret.append(_("You could not be authenticated to the build service."))

		for line in ret:
			print line


class CliDaemon(Cli):
	def __init__(self):
		self.parser = argparse.ArgumentParser(
			description = _("Pakfire daemon command line interface."),
		)

		self.parse_common_arguments(repo_manage_switches=True, offline_switch=True)

		# Finally parse all arguments from the command line and save them.
		self.args = self.parser.parse_args()

	def run(self):
		"""
			Runs the pakfire daemon with provided settings.
		"""
		# Read the configuration file for the daemon.
		conf = config.ConfigDaemon()

		# Create daemon instance.
		d = pakfire.client.PakfireDaemon(
			server   = conf.get("daemon", "server"),
			hostname = conf.get("daemon", "hostname"),
			secret   = conf.get("daemon", "secret"),
		)

		try:
			d.run()

		# We cannot just kill the daemon, it needs a smooth shutdown.
		except (SystemExit, KeyboardInterrupt):
			d.shutdown()