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===========
Subcommands
===========
Arguably parses the command tree based on ``__`` delimited function names.
.. code-block:: python
import arguably
@arguably.command
def ec2__start_instances(*instances):
"""Start instances.
Args:
*instances: {instance}s to start
"""
for inst in instances:
print(f"Starting {inst}")
@arguably.command
def ec2__stop_instances(*instances):
"""Stop instances.
Args:
*instances: {instance}s to stop
"""
for inst in instances:
print(f"Stopping {inst}")
if __name__ == "__main__":
arguably.run()
.. code-block:: console
$ python main.py ec2 --help
positional arguments:
command
start-instances start instances.
stop-instances stop instances.
Cyclopts handles the command tree by creating and registering recursive :class:`App <cyclopts.App>` objects:
.. code-block:: python
from cyclopts import App
app = App()
app.command(ec2 := App(name="ec2"))
@ec2.command
def start_instances(*instances):
"""Start instances.
Args:
*instances: {instance}s to start
"""
for inst in instances:
print(f"Starting {inst}")
@ec2.command
def stop_instances(*instances):
"""Stop instances.
Args:
*instances: {instance}s to stop
"""
for inst in instances:
print(f"Stopping {inst}")
if __name__ == "__main__":
app()
.. code-block:: console
$ python main.py ec2 --help
╭─ Commands ───────────────────────────────────────────────────────────╮
│ start-instances start instances. │
│ stop-instances stop instances. │
╰──────────────────────────────────────────────────────────────────────╯
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