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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.constants import VERSION, FRONTENDS, STD_FRONTEND, XSD_LOCATION
from optparse import OptionParser
import sys
def get_frontend_list ():
return ", ".join(["'%s'" % x for x in FRONTENDS])
def main ():
# 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")
# run parser
(options, args) = parser.parse_args()
# evaluate parser's results
if options.check: # run pychecker
import os
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 '%s'. Correct frontends are: %s" % (arg, 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 "'%s' should be installed, but cannot be imported. This is definitly a bug. (%s)" % (options.frontend, e[0])
sys.exit(1)
if options.ebuild:
show_ebuild(options.ebuild)
elif options.validate:
from lxml import etree
if etree.XMLSchema(file = XSD_LOCATION).validate(etree.parse(options.validate)):
print "Passed validation."
return
else:
print "Verification failed."
sys.exit(3)
else:
run()
if __name__ == "__main__":
main()
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