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import click
import functools
@click.group()
def cli():
pass
def confirm_action(f, id_var, message_template="Do you want to proceed?"):
@functools.wraps(f)
def action(*args, **kwargs):
if id_var:
id_value = kwargs[id_var]
message = message_template.format(len(id_value))
else:
message = message_template
if not kwargs.pop("no_input", False) and not click.confirm(message, abort=True):
return
return f(*args, **kwargs)
return action
def delete_command(
group,
id_var="id",
name="rm",
message_template="Do you want to delete {} objects? This action is irreversible.",
):
"""
Wrap a command to ensure it asks for confirmation before deletion, unless the --no-input
flag is provided
"""
def decorator(f):
decorated = click.option("--no-input", is_flag=True)(f)
decorated = confirm_action(
decorated, id_var=id_var, message_template=message_template
)
return group.command(name)(decorated)
return decorator
def update_command(
group,
id_var="id",
name="set",
message_template="Do you want to update {} objects? This action may have irreversible consequnces.",
):
"""
Wrap a command to ensure it asks for confirmation before deletion, unless the --no-input
flag is provided
"""
def decorator(f):
decorated = click.option("--no-input", is_flag=True)(f)
decorated = confirm_action(
decorated, id_var=id_var, message_template=message_template
)
return group.command(name)(decorated)
return decorator