File: uninstall.py

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convertall 0.7.3-1.1
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#!/usr/bin/env python

"""
****************************************************************************
 uninstall.py, Linux uninstall script for ConvertAll

 Copyright (C) 2013, Douglas W. Bell

 This is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License, either Version 2 or any later
 version.  This program is distributed in the hope that it will be useful,
 but WITTHOUT ANY WARRANTY.  See the included LICENSE file for details.
*****************************************************************************
"""

import sys
import os.path
import getopt
import shutil

prefixDir = '/usr/local'
progName = 'convertall'

def usage(exitCode=2):
    """Display usage info and exit.

    Arguments:
        exitCode -- the code to retuen when exiting.
    """
    global prefixDir
    print('Usage:')
    print('    python uninstall.py [-h] [-p dir]')
    print('where:')
    print('    -h         display this help message')
    print('    -p dir     install prefix [default: {0}]'.format(prefixDir))
    sys.exit(exitCode)

def removeAll(path):
    """Remove path, whether it is a file or a directory,
       print status"""
    print('  Removing {0}...'.format(path))
    try:
        if os.path.isdir(path):
            shutil.rmtree(path)
        elif os.path.isfile(path):
            os.remove(path)
        else:
            print('  not found')
            return
        print('  done')
    except OSError as e:
        if str(e).find('Permission denied') >= 0:
            print('\nError - must be root to remove files')
            sys.exit(4)
        raise


def main():
    """Main uninstaller function.
    """
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'hp:')
    except getopt.GetoptError:
        usage(2)
    global prefixDir
    for opt, val in opts:
        if opt == '-h':
            usage(0)
        elif opt == '-p':
            prefixDir = val
    print('Removing files...')
    global progName
    removeAll(os.path.join(prefixDir, 'lib', progName))
    removeAll(os.path.join(prefixDir, 'share', 'doc', progName))
    removeAll(os.path.join(prefixDir, 'share', progName))
    removeAll(os.path.join(prefixDir, 'share', 'icons', progName))
    removeAll(os.path.join(prefixDir, 'bin', progName))
    print('Uninstall complete.')


if __name__ == '__main__':
    main()