Minimal Recipe

For the examples in the usage tracking documentation we will consider this recipe:

from pyplate import Substance, Recipe, Container

water = Substance.liquid('H2O', mol_weight=18.0153, density=1)
sodium_sulfate = Substance.solid('Sodium sulfate', 142.04)

recipe = Recipe()
container = recipe.create_container('container', initial_contents=None)

stock_solution = recipe.create_solution(solute=sodium_sulfate, solvent=water, concentration='0.5 M',
                                        total_quantity='50 mL')

recipe.start_stage('stage 1')
recipe.transfer(stock_solution, container, '10 mL')
recipe.end_stage('stage 1')

recipe.start_stage('stage 2')
recipe.remove(container, water)

# implicit end of stage at end of recipe
recipe.end_stage('stage 2')

recipe.bake()

  • The “all” stage begins at the start of the recipe and lasts until the end of the recipe

  • A stage can be started with recipe.start_stage and it keeps track of steps that are performed until recipe.end_stage is called or the end of the recipe, whichever comes first

  • Because stage 2 ends with the end of the recipe in the example above, recipe.end_stage('stage 2') is redundant