def parse(self, result: ParserResult, file_path: str) -> None:
try:
with open(file_path, "rt", encoding='utf-8') as f:
parser = Parser()
recipes = parser.parse_from_string(f.read())
except Exception as e:
raise MalformedDataError(
"Cannot process BeerXML file because of {}".format(type(e)))
if len(recipes) > 1:
raise MalformedDataError(
"Cannot process BeerXML file, because it contains more than one recipe"
)
beerxml = recipes[0]
self.parse_recipe(result.recipe, beerxml)
result.fermentables.extend(self.get_fermentables(beerxml))
result.hops.extend(self.get_hops(beerxml))
result.yeasts.extend(self.get_yeasts(beerxml))
def test_node_to_object():
"test XML node parsing to Python object"
node = Element("hop")
SubElement(node, "name").text = "Simcoe"
SubElement(node, "alpha").text = 13
SubElement(node, "amount").text = 0.5
SubElement(node, "use").text = "boil"
SubElement(node, "time").text = 30
test_hop = Hop()
recipe_parser = Parser()
recipe_parser.nodes_to_object(node, test_hop)
assert test_hop.name == "Simcoe"
assert test_hop.alpha == 13
assert test_hop.amount == 0.5
assert test_hop.use == "boil"
assert test_hop.time == 30
def test_parse_recipe_2_from_string():
xml_data = open(RECIPE_PATH_2, "r").read()
recipe_parser = Parser()
recipes = recipe_parser.parse_from_string(xml_data)
assert_oatmeal_stout_recipe(recipes)
def test_parse_recipe_2_from_file():
recipe_parser = Parser()
recipes = recipe_parser.parse(RECIPE_PATH_2)
assert_oatmeal_stout_recipe(recipes)
def test_parse_recipe_1_from_string():
xml_data = open(RECIPE_PATH, "r").read()
recipe_parser = Parser()
recipes = recipe_parser.parse_from_string(xml_data)
assert_simcoe_ipa_recipe(recipes)
def test_parse_recipe_3_from_string():
xml_data = open(RECIPE_PATH_3, "r").read()
recipe_parser = Parser()
recipes = recipe_parser.parse_from_string(xml_data)
assert_coffee_stout_recipe(recipes)
def test_parse_recipe_1_from_file():
recipe_parser = Parser()
recipes = recipe_parser.parse(RECIPE_PATH)
assert_simcoe_ipa_recipe(recipes)
def test_parse_recipe_3_from_file():
recipe_parser = Parser()
recipes = recipe_parser.parse(RECIPE_PATH_3)
assert_coffee_stout_recipe(recipes)
def beerxml_to_json(xml_file):
"""Convert beerxml recipe to JSON."""
fermentable_type_map = {
"grain": "GRAIN",
"sugar": "SUGAR",
"extract": "LIQUID EXTRACT",
"dry extract": "DRY EXTRACT",
"adjunct": "SUGAR",
}
yeast_type_map = {
"ale": "ALE",
"lager": "LAGER",
"wheat": "WHEAT",
"wine": "CHAMPAGNE",
"champagne": "CHAMPAGNE",
}
yeast_form_map = {
"liquid": "LIQUID",
"dry": "DRY",
"slant": "SLURRY",
"culture": "CULTURE",
}
beers = []
parser = Parser()
# with open(xml_file, "rt") as file:
tree = ElementTree.parse(xml_file)
for recipe_node in tree.iter():
if to_lower(recipe_node.tag) != "recipe":
continue
recipe = parser.parse_recipe(recipe_node)
print("Working on", recipe.name)
beer = {
"fermentables": [],
"hops": [],
"yeasts": [],
"extras": [],
"mash_steps": [],
"extra_info": {},
}
beer["boil_time"] = math.ceil(recipe.boil_time)
beer["boil_loss"] = round(recipe.equipment.evap_rate, 2)
beer["trub_loss"] = math.ceil(
100 * (recipe.equipment.trub_chiller_loss / recipe.batch_size)
)
beer["dry_hopping_loss"] = 10
beer["type"] = recipe.type.upper()
beer["expected_beer_volume"] = f"{recipe.batch_size} l"
# Mashing
beer["mash_efficiency"] = recipe.efficiency
beer["liquor_to_grist_ratio"] = 4
for fermentable in recipe.fermentables:
print(fermentable)
beer["fermentables"].append(
{
"type": fermentable_type_map[fermentable.type.lower()],
"name": fermentable.name.strip(".").strip(),
"amount": f"{fermentable.amount} kg",
"extraction": fermentable._yield,
"color": f"{fermentable.color} srm",
"use": "MASHING"
if getattr(fermentable, "is_mashed", "true").lower() == "true"
else "BOIL",
}
)
for hop in recipe.hops:
if hop.use.upper() == "DRY HOP":
hoptime = math.ceil((hop.time / 60) / 24)
time_unit = "DAY"
else:
hoptime = hop.time
time_unit = "MINUTE"
beer["hops"].append(
{
"use": hop.use.upper(),
"name": hop.name.strip(".").strip(),
"amount": f"{hop.amount} kg",
"time": hoptime,
"time_unit": time_unit,
"alpha_acids": hop.alpha,
}
)
for yeast in recipe.yeasts:
beer["yeasts"].append(
{
"name": yeast.name.strip(".").strip(),
"type": yeast_type_map[yeast.type.lower()],
"form": yeast_form_map[yeast.form.lower()],
"amount": f"{yeast.amount} kg", # it could be liters but we keep only one
"lab": yeast.laboratory,
}
)
for extra in recipe.miscs:
beer["extras"].append(
{
"type": extra.type.upper(),
"name": extra.name.strip(".").strip(),
"use": extra.use.upper(),
"amount": f"{extra.amount} kg",
"time": extra.time,
"time_unit": "MINUTE",
}
)
for mash_step in recipe.mash.steps:
beer["mash_steps"].append(
{
"temperature": f"{mash_step.step_temp} c",
"time": mash_step.step_time,
}
)
beer["name"] = recipe.name
beer[
"style"
] = f"{int(recipe.style.category_number)}{recipe.style.style_letter}" # 2015 BJCP Category
beers.append(beer)
print(beers)
return beers