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#!/usr/bin/env python
# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Universal Select Tool
# Base Module
# umodule.py mephx.x@gmail.com

import os
import re
import sys
import stat
import string
import traceback

from umodule import Module
from uio import PrintSystem
from uio import FileSystem

verbose = False

version = '0.2'
modules_dir = '/usr/share/uselect/modules/'

class UniversalSelectTool:
	
	printsystem = PrintSystem()
	filesystem = FileSystem()

	def __init__(self):
		return

	def get_modules(self):
		list = self.filesystem.list_dir(modules_dir)
		self.modules = []
		for file in list:
			match = re.match('(.*).uselect', file)
			if match:
				self.modules.append(Module(match.group(1), self.filesystem))
				
	def get_module(self, name):
		if not os.path.exists(modules_dir + name + '.uselect'):
			raise Exception('Module ' + name + ' not found!')
			return
		else:
			module = Module(name, self.filesystem)
			return module

	def parse_argv(self, argv):
		global profile, verbose, version
		module = None
		modules = None
		action = None
		args = None	
		self.printsystem.use_colors(True)
		for arg in argv:
			if arg == '-v':
				verbose = True
				self.printsystem.verbose()
				argv = argv[1:]
			elif arg == '-nc':
				self.printsystem.use_colors(False)
				argv = argv[1:]
			elif arg == '-version':
				self.printsystem.print_version(version)
				argv = argv[1:]			
		if len(argv) < 1:
			self.get_modules()
			modules = self.modules
		elif len(argv) == 1:
			module = self.get_module(argv[0])
		elif len(argv) >= 2:
			module = self.get_module(argv[0])
			action = module.get_action(argv[1])
			action.do_action(argv[2:])
		if len(argv) == 2:
			argv = None
		else:
			argv = argv[2:]
		
		return [module, modules, argv, action]


def main():
	uselect = UniversalSelectTool()
	try:
		list = uselect.parse_argv(sys.argv[1:])
		uselect.printsystem.print_ui(module = list[0], \
			modules = list[1], args = list[2], action = list[3])
	except UserWarning, warning:
		uselect.printsystem.print_exception(warning, True)
	except Exception, exception:
		uselect.printsystem.print_exception(exception)
		if verbose:
			traceback.print_exc()
			printsystem.print_line('')
		exit(1)
	exit(0)

if __name__ == '__main__': main()