Brightway2 - Get LCA scores of immediate exchanges

Question

I\'m having some problems regarding the post-processing analysis of my LCA results from brightway2. After running a LCA calculation, if, for example, I type top_activities() I g

Answer 1

It is pretty easy to traverse the supply chain manually, and everyone wants to do this a slightly different way, so it isn't built in to Brightway yet. Here is a simple example:

from brightway2 import *

func_unit = Database("ecoinvent 3.4 cutoff").random()

lca = LCA({func_unit: 1}, methods.random())
lca.lci()
lca.lcia()

print(func_unit)

for exc in func_unit.technosphere():
    lca.redo_lcia({exc.input: exc['amount']})
    print(exc.input, exc['amount'], lca.score)