#!/usr/bin/env python

# -*- coding:utf-8 -*-

from __future__ import print_function, absolute_import

import click_completion

import click

import click_completion.core

click_completion.init()

def install_callback(ctx, attr, value):

if not value or ctx.resilient_parsing:

return value

shell, path = click_completion.core.install()

click.echo('%s completion installed in %s' % (shell, path))

exit(0)

@click.command()

@click.option('--install', is_flag=True, callback=install_callback, expose_value=False,

help="Install completion for the current shell.")

@click.option('--upper/--lower', default=None, help="Change text to upper or lower case")

@click.argument('args', nargs=-1)

def echo(upper, args):

"""just print the command line arguments"""

if upper:

args = [arg.upper() for arg in args]

elif upper is not None:

args = [arg.lower() for arg in args]

click.echo(' '.join(args))

if __name__ == "__main__":

echo()