#! /usr/bin/python3 -s
# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.

# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at

#     http://aws.amazon.com/apache2.0/

# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
import os

if os.environ.get('LC_CTYPE', '') == 'UTF-8':
    os.environ['LC_CTYPE'] = 'en_US.UTF-8'
from awscli.autocomplete.main import autocomplete


def main():
    # bash exports COMP_LINE and COMP_POINT, tcsh COMMAND_LINE only
    command_line = (
        os.environ.get('COMP_LINE') or os.environ.get('COMMAND_LINE') or ''
    )
    command_index = int(os.environ.get('COMP_POINT') or len(command_line))

    try:
        autocomplete(command_line, command_index)
    except KeyboardInterrupt:
        # If the user hits Ctrl+C, we don't want to print
        # a traceback to the user.
        pass


if __name__ == '__main__':
    main()