def prime(ctx, beer, vol, temp):
"""
Calculates the amount of table sugar, corn sugar, or DME needed to achieve
the requested CO2 volumes
"""
if not beer:
unit = ctx.obj["units"]["vol"]
beer = utils.get_input("Volume of beer to prime ({}): ".format(unit),
lambda x: float(x))
if not vol:
vol = utils.get_input("Desired volumes of CO2: ", lambda x: float(x))
if not temp:
unit = ctx.obj["units"]["temp"]
temp = utils.get_input("Temperature of beer ({}): ".format(unit),
lambda x: float(x))
if ctx.obj['unit'] == 'metric':
temp = bm.c_to_f(temp)
beer = bm.l_to_g(beer)
sugar = bm.priming(temp, beer, vol)
if ctx.obj['unit'] == 'imperial':
sugar = bm.g_to_oz(sugar)
unit = ctx.obj["units"]["weight"]
print()
print("Use only one of the following:")
print("Table sugar: {0:.2f}{1}".format(sugar, unit))
print("Corn Sugar: {0:.2f}{1}".format(sugar * 1.099421965317919, unit))
print("DME: {0:.2f}{1}".format(sugar * 1.4705202312138728, unit))
def strike(ctx, grain, vol, temp):
"""
Calculate the required strike water temperature given the mass of grains,
volume of water, and desired final mash temperature
"""
if not grain:
grain = inputs.get_unit_input(ctx.obj["units"]["lrg_weight"],
"Weight of grains: ")
if not vol:
vol = inputs.get_unit_input(ctx.obj["units"]["vol"],
"Volume of water: ")
if not temp:
temp = inputs.get_unit_input(ctx.obj["units"]["temp"],
"Desired mash temp: ")
if is_metric(ctx):
grain = bm.kg_to_lbs(grain)
vol = bm.l_to_g(vol)
temp = bm.c_to_f(temp)
strike_temp = bm.strike_temp(grain, vol, temp)
if is_metric(ctx):
strike_temp = bm.f_to_c(strike_temp)
print("Strike water temp should be {0:.3f}{1}".format(
strike_temp, ctx.obj["units"]["temp"]))
def prime(ctx, beer, vol, temp):
"""
Calculates the amount of table sugar, corn sugar, or DME needed to achieve
the requested CO2 volumes for bottle priming
"""
if not beer:
beer = inputs.get_unit_input(ctx.obj["units"]["vol"],
"Volume of beer to prime")
if not vol:
vol = inputs.get_input("Desired volumes of CO2: ", lambda x: float(x))
if not temp:
temp = temp = inputs.get_unit_input(ctx.obj["units"]["temp"],
"Temperature of beer")
if is_metric(ctx):
temp = bm.c_to_f(temp)
beer = bm.l_to_g(beer)
sugar = bm.priming(temp, beer, vol)
if is_imperial(ctx):
sugar = bm.g_to_oz(sugar)
unit = ctx.obj["units"]["weight"]
print()
print("Use only one of the following:")
print("Table sugar: {0:.2f}{1}".format(sugar, unit))
print("Corn Sugar: {0:.2f}{1}".format(sugar * 1.099421965317919, unit))
print("DME: {0:.2f}{1}".format(sugar * 1.4705202312138728, unit))
def dme(ctx, points, vol):
"""
Given the current volume of the mash, work out how much Dry Malt
Extract(DME) to add to reach your target gravity
"""
if not points:
points = inputs.get_input("Points needed to achieve target gravity: ",
lambda x: float(x))
if not vol:
vol = inputs.get_unit_input(ctx.obj["units"]["temp"],
"Current volume of the wort")
if is_metric(ctx):
vol = bm.l_to_g(vol)
amt_dme = bm.pre_boil_dme(points, vol)
if is_metric(ctx):
amt_dme = bm.oz_to_g(amt_dme)
print(
"Add {0:.2f}{1} of DME to raise the wort gravity by {2} points".format(
amt_dme, ctx.obj["units"]["weight"], points))
def print_volume(value: float) -> None:
print("{0} l => {1:.3f} gal".format(value, bm.l_to_g(value)))
print("{0} gal => {1:.3f} l".format(value, bm.g_to_l(value)))
def test_l_to_g():
g = bm.l_to_g(47)
assert g == pytest.approx(12.416, 0.001)