What is Python Fire

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

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Python Fire is a library to create CLI applications. It can automatically generate command line Interfaces from any object in python. It is not limited to this, it is a good tool for debugging and development purposes.

import fire class BrokenCalculator(object): def __init__(self, offset=1): self._offset = offset def add(self, x, y): return x + y + self._offset def multiply(self, x, y): return x * y + self._offset if __name__ == '__main__': fire.Fire(BrokenCalculator) When you use a broken calculator, you get wrong answers: $ python example.py add 10 20 31 $ python example.py multiply 10 20 201 ... Unlike calling ordinary functions, which can be done both with positional arguments and named arguments (--flag syntax), arguments to __init__ functions must be passed with the --flag syntax.

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) ... To learn how Fire behaves on functions, objects, dicts, lists, etc, and to learn ...

This page describes known issues that users of Python Fire have run into.

For additional examples, see The Python Fire Guide. When you call Fire, it fires off (executes) your command. Please see The Python Fire Guide. ... Turns the current module into a Fire CLI. ... Turns component into a Fire CLI. ... Enters interactive mode. ... Sets the separator to X. The default separator is -. ... Generates a completion script for the CLI. ... Gets a Fire trace for the command. ... Note that these flags are separated from the Fire command by an isolated --.

While the first one is compatible ... within function and variable names?). The problem here is that by default fire will take arguments name from the python code, which means that if my python code looks like this:...

I use Python somewhat regularly, and overall I consider it to be a very good language. Nonetheless, no language is perfect. Here are the drawbacks in order of importance to me personally: It's slow. I mean really, really slow.