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Showing content from https://github.com/google/python-fire below:

google/python-fire: Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object.

Python Fire

Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object.

Python Fire is a simple way to create a CLI in Python. [1]
Python Fire is a helpful tool for developing and debugging Python code. [2]
Python Fire helps with exploring existing code or turning other people's code into a CLI. [3]
Python Fire makes transitioning between Bash and Python easier. [4]
Python Fire makes using a Python REPL easier by setting up the REPL with the modules and variables you'll need already imported and created. [5]

To install Python Fire with pip, run: pip install fire

To install Python Fire with conda, run: conda install fire -c conda-forge

To install Python Fire from source, first clone the repository and then run: python setup.py install

You can call Fire on any Python object:
functions, classes, modules, objects, dictionaries, lists, tuples, etc. They all work!

Here's an example of calling Fire on a function.

import fire

def hello(name="World"):
  return "Hello %s!" % name

if __name__ == '__main__':
  fire.Fire(hello)

Then, from the command line, you can run:

python hello.py  # Hello World!
python hello.py --name=David  # Hello David!
python hello.py --help  # Shows usage information.

Here's an example of calling Fire on a class.

import fire

class Calculator(object):
  """A simple calculator class."""

  def double(self, number):
    return 2 * number

if __name__ == '__main__':
  fire.Fire(Calculator)

Then, from the command line, you can run:

python calculator.py double 10  # 20
python calculator.py double --number=15  # 30

To learn how Fire behaves on functions, objects, dicts, lists, etc, and to learn about Fire's other features, see the Using a Fire CLI page.

For additional examples, see The Python Fire Guide.

When you call Fire, it fires off (executes) your command.

Please see The Python Fire Guide.

Setup Command Notes install pip install fire Creating a CLI Command Notes import import fire Call fire.Fire() Turns the current module into a Fire CLI. Call fire.Fire(component) Turns component into a Fire CLI. Using a CLI Command Notes Help command --help or command -- --help REPL command -- --interactive Enters interactive mode. Separator command -- --separator=X Sets the separator to X. The default separator is -. Completion command -- --completion [shell] Generates a completion script for the CLI. Trace command -- --trace Gets a Fire trace for the command. Verbose command -- --verbose

Note that these flags are separated from the Fire command by an isolated --.

Licensed under the Apache 2.0 License.

This is not an official Google product.

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