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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# File: portato.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
# Copyright (C) 2006-2007 René 'Necoro' Neumann
# This is free software. You may redistribute copies of it under the terms of
# the GNU General Public License version 2.
# There is NO WARRANTY, to the extent permitted by law.
#
# Written by René 'Necoro' Neumann <necoro@necoro.net>
from portato import listener
from portato.constants import VERSION, FRONTENDS, STD_FRONTEND, XSD_LOCATION, LOCALE_DIR, APP, SU_COMMAND
from optparse import OptionParser
from subprocess import call
import sys, os, socket
import gettext, locale
def get_frontend_list ():
return ", ".join(["'%s'" % x for x in FRONTENDS])
def main ():
# set gettext stuff
locale.setlocale(locale.LC_ALL, '')
gettext.bindtextdomain(APP, LOCALE_DIR)
gettext.textdomain(APP)
_ = gettext.lgettext
# build the parser
desc = "Portato - A Portage GUI."
usage = "%prog [options] [frontend]"
vers = "%%prog v. %s" % VERSION
parser = OptionParser(version = vers, prog = "Portato", description = desc, usage = usage)
parser.add_option("--check", action = "store_true", dest = "check", default = False,
help = _("runs pychecker (should only be used by developers)"))
parser.add_option("-f", "--frontend", action = "store", choices = FRONTENDS, default = STD_FRONTEND, dest = "frontend",
help = _("the frontend to use - possible values are: %s [default: %%default]") % get_frontend_list())
parser.add_option("-e", "--ebuild", action = "store", dest = "ebuild",
help = _("opens the ebuild viewer instead of launching Portato"))
parser.add_option("-x", "--validate", action = "store", dest = "validate", metavar="PLUGIN",
help = _("validates the given plugin xml instead of launching Portato"))
parser.add_option("-L", "--no-listener", action = "store_true", dest = "nolistener", default = False,
help = _("do not start listener"))
# run parser
(options, args) = parser.parse_args()
# evaluate parser's results
if options.check: # run pychecker
os.environ['PYCHECKER'] = "--limit 50"
import pychecker.checker
if len(args): # additional arguments overwrite given frontend
arg = args[0]
if arg not in FRONTENDS:
print _("Unknown frontend '%(frontend)s'. Correct frontends are: %(list)s") % {"frontend": arg, "list": get_frontend_list()}
sys.exit(2)
else:
options.frontend = arg
try:
exec ("from portato.gui.%s import run, show_ebuild" % options.frontend)
except ImportError, e:
print _("'%(frontend)s' should be installed, but cannot be imported. This is definitly a bug. (%(error)s)") % {"frontend": options.frontend, "error": e[0]}
sys.exit(1)
if options.ebuild:
show_ebuild(options.ebuild)
elif options.validate:
from lxml import etree
try:
etree.XMLSchema(file = XSD_LOCATION).assertValid(etree.parse(options.validate))
except etree.XMLSyntaxError, e:
print _("Validation failed. XML syntax error: %s.") % e[0]
sys.exit(3)
except etree.DocumentInvalid:
print _("Validation failed. Does not comply with schema.")
sys.exit(3)
else:
print _("Validation succeeded.")
return
elif options.nolistener:
listener.set_send()
run()
else: # start listener and start us again in root modus
if os.fork() == 0:
listener.set_recv()
else:
additional = []
if options.check:
additional.append("-c")
if options.frontend:
additional.extend(["-f", options.frontend])
try:
if os.getuid() != 0:
call(SU_COMMAND.split()+["%s --no-listener %s" % (sys.argv[0], " ".join(additional))], env = os.environ)
else:
call([sys.argv[0], "--no-listener"]+additional, env = os.environ)
except KeyboardInterrupt:
pass
if __name__ == "__main__":
main()
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