Macro calculation based on the To Be a Beast article https://www.barbellmedicine.com/584-2/ by Jordan Feigenbaum

to_be_a_beast.py

#!/usr/bin/env python
import enum
from math import ceil

import click


MALE = "male"
FEMALE = "female"
CUT = "cut"
MAINTAIN = "maintain"
BULK = "bulk"
MACROS = {
    MALE : {
        CUT: {
            "protein": 1.25,
            "carbs": 1,
            "fat": 0.27
        },
        MAINTAIN: {
            "protein": 1.15,
            "carbs": 1.25,
            "fat": 0.35
        },
        BULK: {
            "protein": 1.1,
            "carbs": 2,
            "fat": 0.5
        }
    },
    FEMALE: {
        CUT: {
            "protein": 1.15,
            "carbs": 0.9,
            "fat": 0.35
        },
        MAINTAIN: {
            "protein": 1.1,
            "carbs": 1.2,
            "fat": 0.38
        },
        BULK: {
            "protein": 1,
            "carbs": 1.6,
            "fat": 0.5
        }
    },
}


@click.command()
@click.option("--weight", "-w", help="Weight in pounds", type=click.INT, prompt=True)
@click.option("--gender", "-g", help="Person's gender", type=click.Choice((MALE, FEMALE)), prompt=True)
@click.option("--mode", "-m", help="Weight administration regime", type=click.Choice((CUT, MAINTAIN, BULK)), prompt=True)
def main(weight, gender, mode):
    config = MACROS[gender][mode]
    print("Counted macros for {}ing:".format(mode))
    for macro in config:
        print("\t{macro}: {amount:d} grams".format(macro=macro, amount=ceil(weight*config[macro])))


if __name__ == "__main__":
    main()