pale_ale_recipe.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-

from brew.grains import Grain
from brew.grains import GrainAddition
from brew.hops import Hop
from brew.hops import HopAddition
from brew.recipes import Recipe
from brew.yeasts import Yeast

"""
Build a recipe from known ingredients.
"""


def main():
    # Define Grains
    pale = Grain(u"Pale Malt (2 Row) US", color=1.8, ppg=37)
    pale_add = GrainAddition(pale, weight=13.96)
    crystal = Grain(u"Caramel/Crystal Malt - 20L", color=20.0, ppg=35)
    crystal_add = GrainAddition(crystal, weight=0.78)
    grain_additions = [pale_add, crystal_add]

    # Define Hops
    centennial = Hop(u"Centennial", percent_alpha_acids=0.14)
    centennial_add = HopAddition(centennial, weight=0.57, boil_time=60.0)
    cascade = Hop(u"Cascade (US)", percent_alpha_acids=0.07)
    cascade_add = HopAddition(cascade, weight=0.76, boil_time=5.0)
    hop_additions = [centennial_add, cascade_add]

    # Define Yeast
    yeast = Yeast(u"Wyeast 1056")

    # Define Recipe
    beer = Recipe(
        u"pale ale",
        grain_additions=grain_additions,
        hop_additions=hop_additions,
        yeast=yeast,
        brew_house_yield=0.70,  # %
        start_volume=7.0,  # G
        final_volume=5.0,  # G
    )
    print(beer.format())


if __name__ == "__main__":
    main()