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bwanalyzer recursive calculation object to graph.
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import bw2data as bd | |
import bw2analyzer as bwa | |
import networkx as nx | |
# Make sure to set the right project. | |
A_PROJECT = "STeamPunk" | |
bd.projects.set_current(A_PROJECT) | |
# Where does the LCA fu come from? | |
FG_DB = "vent_eco" | |
a = bd.Database(FG_DB).random() | |
m_key = ('EF v3.1', 'climate change', 'global warming potential (GWP100)') | |
df = bwa.utils.recursive_calculation_to_object(a, m_key, as_dataframe=True) | |
def ca_graph(df, graph=None): | |
data_keys = ["score", "fraction", "amount", "name", "key"] | |
if graph is None: | |
graph = nx.DiGraph() | |
for _, row in df.iterrows(): | |
node_data = {k:row[k] for k in data_keys} | |
graph.add_node(row['label'], **node_data) | |
if not pd.isna(row['parent']): | |
graph.add_edge(row['parent'], row['label']) | |
return graph |
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