#!/usr/bin/env python
import errno, os, os.path, sys

print 'Uninstall ndiff'

answer = raw_input('Are you sure that you want to uninstall '
    'ndiff (yes/no) ')

if answer != 'yes' and answer != 'y':
    print 'Not uninstalling.'
    sys.exit(0)

INSTALLED_FILES = (
    u'/usr/lib/python2.7/site-packages/ndiff.py',
    u'/usr/lib/python2.7/site-packages/ndiff.pyc',
    '/usr/bin/ndiff',
    u'/usr/share/man/man1/ndiff.1',
    u'/usr/lib/python2.7/site-packages/ndiff',
    '/usr/bin/uninstall_ndiff',
)

# Split the list into lists of files and directories.
files = []
dirs = []
for path in INSTALLED_FILES:
    if os.path.isfile(path) or os.path.islink(path):
        files.append(path)
    elif os.path.isdir(path):
        dirs.append(path)
# Delete the files.
for file in files:
    print "Removing '%s'." % file
    try:
        os.remove(file)
    except OSError, e:
        print >> sys.stderr, '  Error: %s.' % str(e)
# Delete the directories. First reverse-sort the normalized paths by
# length so that child directories are deleted before their parents.
dirs = [os.path.normpath(dir) for dir in dirs]
dirs.sort(key = len, reverse = True)
for dir in dirs:
    try:
        print "Removing the directory '%s'." % dir
        os.rmdir(dir)
    except OSError, e:
        if e.errno == errno.ENOTEMPTY:
            print "Directory '%s' not empty; not removing." % dir
        else:
            print >> sys.stderr, str(e)