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#!/usr/bin/python
# Author: bmartin (blakecmartin@gmail.com)
# Author: Samuel A. Dieck (https://launchpad.net/~sam-dieck)
"""
This file is part of WiFix.
WiFix 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 2 of the License, or
(at your option) any later version.
WiFix 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 os
class WifixUI():
def check_dependencies(self):
"""
Ensures that all dependent programs exist.
"""
raise NotImplementedError
def check_programs(self):
"""
Returns True if all of the necessary programs are present, false
otherwise.
"""
raise NotImplementedError
def get_dependencies(self):
"""
Retrieves a list of programs that must exist in order to use this UI.
"""
def get_progress_meter(self):
"""
Retrieves a progress meter for the UI.
"""
raise NotImplementedError
def program_exists(self, program):
"""
Returns True if the given program exists, false otherwise.
"""
if os.system("which " + program + " > /dev/null"):
print program + ": program not found."
return False
return True
def sudo(self, title, command):
"""
Returns a command string that, if executed, will perform the given
command with elevated provileges.
"""
raise NotImplementedError
def start(self, options_list):
"""
Begins execution of the UI.
"""
raise NotImplementedError
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