103 lines
2.5 KiB
Python
103 lines
2.5 KiB
Python
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import sys, cooklang
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from os.path import exists
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def parse_recipe(path):
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"""
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Takes: string path
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Returns: [ string ] tex
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Takes a recipe path as an argument and returns the cuisine recipe block.
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One element per line.
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"""
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if not exists(path):
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raise ArgumentError
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with open(path) as file:
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# First argument is recipe file
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recipe = cooklang.parseRecipe(file.read())
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title = get_metadata_value("title", recipe)
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servings = get_metadata_value("servings", recipe)
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time = get_metadata_value("time", recipe)
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tex = []
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tex.append("\\begin{recipe}{" +
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title + "}{" +
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servings + "}{" +
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time + "}")
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for step in recipe["steps"]:
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ingredients = get_step_ingredients(step)
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if ingredients:
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tex += texify_ingredients(ingredients)
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else:
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tex.append("\\newstep")
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step_text = ""
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for part in step:
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if "value" in part.keys():
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step_text += part["value"]
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elif "name" in part.keys():
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# Remove whitespaces from ingredient names
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step_text += part["name"].strip()
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tex.append(step_text)
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tex.append("\\end{recipe}")
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return tex
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class ArgumentError(Exception):
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def __init__(self):
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self.message = "Please supply the path to a cooklang file as an argument."
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super().__init__(self.message)
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def get_metadata_value(key, recipe):
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if key in recipe["metadata"].keys():
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return recipe["metadata"][key]
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else:
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return "N/A"
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def get_step_ingredients(step):
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ingredients = []
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for part in step:
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if part["type"] == "ingredient":
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ingredients.append(part)
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return ingredients
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def texify_ingredients(ingredients):
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tex = []
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for ing in ingredients:
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if ing["units"]:
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try:
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quantity = float(ing["quantity"])
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if quantity % 1 == 0:
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quantity = int(quantity)
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except ValueError:
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quantity = ing["units"]
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tex.append("\\ingredient[" +
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str(quantity) + "]{" +
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ing["units"] + "}{" +
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ing["name"] + "}")
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else:
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tex.append("\\ingredient{" +
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ing["units"] + "}{" +
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ing["name"] + "}")
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return tex
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if __name__ == "__main__":
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for line in parse_recipe(sys.argv[1]):
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print(line)
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