def create_composition(composition_db: sm.Composition, catalog: cat_.Catalog) -> cat_.Item:
item = cat_.Item(
composition_db.id,
composition_db.name,
composition_db.code,
composition_db.group_id,
description=composition_db.name)
primary_quantity = item.get_variable('PrimaryQuantity')
primary_quantity.formula = '=' + units_convert[composition_db.units]['formula']
primary_quantity.units = units_convert[composition_db.units]['units']
catalog.add_item(item)
for attribution in composition_db.grouped_attributions:
create_attribution(attribution.Attribution, item, catalog, attribution.sum_coefficient)
return item
def create_full_composition(composition_db: sm.Composition,
catalog: cat_.Catalog) -> cat_.Item:
item = cat_.Item(composition_db.id,
composition_db.name,
composition_db.code,
composition_db.group_id,
description=composition_db.name)
primary_quantity = item.get_variable('PrimaryQuantity')
primary_quantity.formula = '=' + units_convert[
composition_db.units]['formula']
primary_quantity.units = units_convert[composition_db.units]['units']
catalog.add_item(item)
for step in composition_db.steps:
step: sm.Step = step
if len(step.attributions):
s = cat_.Step(step.id, step.name, step.composition_id)
c = s.get_variable('Coefficient')
c.formula = f"={step.coefficient}"
item.append(s)
for attribution in step.attributions:
attribution: sm.Attribution = attribution
step_resource = cat_.StepResource(attribution.id,
attribution.step_id,
attribution.resource_id)
s.append(step_resource)
coef = cat_.Variable('Coefficient', formula='=0')
step_resource.add_variable(coef)
primary_quantity = cat_.Variable('PrimaryQuantity')
primary_quantity.units = units_convert[
attribution.resource.units]['units']
primary_quantity.formula = f'{item.get_variable("PrimaryQuantity").formula}*{coef.name}'
step_resource.add_variable(primary_quantity)
coef = step_resource.get_variable('Coefficient')
coef.formula = f"={step.coefficient * attribution.coefficient * units_convert[attribution.resource.units]['Coefficient']}"
return item