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import rich_click as click
# import click
# Example test usage:
# GREETER_DEBUG=1 GREETER_GREET_USERNAME="test" EMAIL_ADDRESS="foo@bar.com" python examples/09_envvar.py greet
@click.group()
@click.option("--debug/--no-debug")
def cli(debug):
click.echo(f"Debug mode is {'on' if debug else 'off'}")
@cli.command()
@click.option("--username", help="This can be set via env var GREETER_GREET_USERNAME", show_envvar=True)
@click.option(
"--nickname",
envvar="NICKNAME",
show_envvar=True,
show_default=True,
help="This can be set via env var NICKNAME",
)
@click.option(
"--email",
envvar=["EMAIL", "EMAIL_ADDRESS"],
show_envvar=True,
default="foo@bar.com",
show_default=True,
help="This can be set via env var EMAIL or EMAIL_ADDRESS",
)
def greet(username, nickname, email):
click.echo(f"Hello {username} ({nickname}) with email {email}!")
if __name__ == "__main__":
cli(auto_envvar_prefix="GREETER")
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