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Automatically generate a simple CLI.

Project description

FunCLI PyPI

Automatically generate a simple CLI.

Installation

pip install funcli

Basic Usage

def main(*args: int):
	print("Sum:", sum(args))

if __name__ == '__main__':
	import funcli
	funcli.main()

# $ python sum.py 1 2 3
# Sum: 6

Reference

funcli.main(spec = None)

Sugar. spec defaults to the main function from the caller's scope. Calls funcli.run on spec, and calls sys.exit with the return value.

funcli.run(spec, args = None, converters = None)
  • spec is either a callable, a sequence of callables, or a dict mapping strings to nested specs
  • args default to sys.argv[1:]
  • converters is a mapping from types (or whatever you want to use as annotations) to a function that parses a command line argument

Given functions foo, bar, baz, here are some sample invocations:

funcli.run(foo, ['arg0']) # Calls foo('arg0')
funcli.run({ foo, bar }, ['bar', 'arg0']) # Calls bar('arg0')
funcli.run({ 'beep': foo, 'bloop': [bar, baz] }, ['beep', 'arg0']) # Calls foo('arg0')
funcli.run({ 'beep': foo, 'bloop': [bar, baz] }, ['bloop', 'bar', 'arg0']) # Calls bar('arg0')

Converters

Built-in converters handle int, float, bool, and pathlib.Path. Everything else is kept as a str.

Project details


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Files for funcli, version 0.1.2
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