42 lines
925 B
Python
42 lines
925 B
Python
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import click
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import os
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@click.group()
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def cli():
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pass
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def get_env_vars(ctx, args, incomplete):
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for key in os.environ.keys():
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if incomplete in key:
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yield key
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@cli.command(help='A command to print environment variables')
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@click.argument("envvar", type=click.STRING, autocompletion=get_env_vars)
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def cmd1(envvar):
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click.echo('Environment variable: %s' % envvar)
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click.echo('Value: %s' % os.environ[envvar])
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@click.group(help='A group that holds a subcommand')
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def group():
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pass
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def list_users(ctx, args, incomplete):
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# Here you can generate completions dynamically
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users = ['bob', 'alice']
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for user in users:
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if user.startswith(incomplete):
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yield user
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@group.command(help='Choose a user')
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@click.argument("user", type=click.STRING, autocompletion=list_users)
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def subcmd(user):
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click.echo('Chosen user is %s' % user)
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cli.add_command(group)
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