A parser for eJuice Me Up recipes.

ejuice.py

class Recipe(object):
	def __init__(self, recipe):
		self.__data = {
			'nicotine_base':0,
			'nicotine_target':0,
			'amount':0,
			'cut':0,
			'target_pg':0,
			'target_vg':0,
			'unknown_a':0,
			'unknown_b':0,
			'base_pg_percent':0,
			'base_vg_percent':0,
			'drops_per_ml':0,
			'notes':''
		}

		recipe = recipe.split('\n')
		self.__data['nicotine_base'] = int(recipe[0])
		self.__data['nicotine_target'] = int(recipe[1])
		self.__data['amount'] = int(recipe[2])
		self.__data['cut'] = int(recipe[3])
		self.__data['target_pg'] = int(recipe[14])
		self.__data['target_vg'] = int(recipe[15])
		self.__data['unknown_a'] = int(recipe[16])
		self.__data['unknown_b'] = int(recipe[17])
		self.__data['base_pg_percent'] = int(recipe[18])
		self.__data['base_vg_percent'] = int(recipe[19])
		self.__data['drops_per_ml'] = int(recipe[30])
		self.__data['notes'] = '\n'.join(recipe[46:]).rstrip()

		self.__flavors = FlavorList(recipe)

	def __getattr__(self, name):
		if name == 'flavors':
			return self.__flavors
		elif name in self.__data.keys():
			return self.__data[name]
		else:
			raise AttributeError

	def __repr__(self):
		return '<Recipe>'

	def __dir__(self):
		return sorted(set(dir(super(Recipe, self)) + self.__data.keys()))


# Handles a list of Flavor objects
class FlavorList(object):
	def __init__(self, recipe):
		self.__flavors = (
			Flavor((recipe[9], recipe[4], recipe[20], recipe[25], recipe[31])),
			Flavor((recipe[10], recipe[5], recipe[21], recipe[26], recipe[32])),
			Flavor((recipe[11], recipe[6], recipe[22], recipe[27], recipe[33])),
			Flavor((recipe[12], recipe[7], recipe[23], recipe[28], recipe[34])),
			Flavor((recipe[13], recipe[8], recipe[24], recipe[29], recipe[35])),
			Flavor((recipe[37], recipe[36], recipe[38], recipe[39], recipe[40])),
			Flavor((recipe[42], recipe[41], recipe[43], recipe[44], recipe[45])),
		)

	def __getitem__(self, index):
		return self.__flavors[index]


# Holds the data for a single flavor
class Flavor(object):
	def __init__(self, flavor):
		self.__data = {
			'name':'',
			'percent':0,
			'pg_percent':0,
			'vg_percent':0,
			'flavorless':False
		}

		self.__data['name'] = flavor[0]
		self.__data['percent'] = int(flavor[1])
		self.__data['pg_percent'] = int(flavor[2])
		self.__data['vg_percent'] = int(flavor[3])
		self.__data['flavorless'] = bool(int(flavor[4]))

	def __getattr__(self, name):
		return self.__data[name]

	def __dir__(self):
		return sorted(set(dir(super(Flavor, self)) + self.__data.keys()))


# Load up a recipe and return a Recipe object
def load_recipe(fn):
	fcons = open(fn, 'r').read()
	return Recipe(fcons)


if __name__ == '__main__':
	import sys
	if len(sys.argv) < 2:
		print 'Usage: ejuice.py <recipe filename>'
		sys.exit(1)
	else:
		r = load_recipe(sys.argv[1])
		print r

You're right about the multiline notes thing. I actually wrote this, then updated eJuice to the most recent version. The one I developed against didn't support notes at all, so it was a bit of an afterthought. I'll fix that.