deflex.fetch_attributes_of_commodity_sources¶

deflex.fetch_attributes_of_commodity_sources(results)[source]¶

Get the attributes of the commodity sources.

Transformers like power plants are connected to commodity buses. This function can be used to get specific emission or the variable costs of the connected commodity source. Use the to_node column to find the data row of the commodity Bus of the Transformer.

Parameters:	results (dict) – Deflex results dictionary.
Returns:	The attributes of all commodities
Return type:	pandas.DataFrame

Examples

>>> import deflex as dflx
>>> fn = dflx.fetch_test_files("de03_fictive.dflx")
>>> my_results = dflx.restore_results(fn)
>>> cdf = dflx.fetch_attributes_of_commodity_sources(my_results)
>>> hard_coal = cdf.loc["hard coal", "DE"]
>>> hard_coal.pop("from_node").label
Label(cat='source', tag='commodity', subtag='hard coal', region='DE')
>>> hard_coal.pop("to_node").label
Label(cat='commodity', tag='all', subtag='hard coal', region='DE')
>>> hard_coal
emission                    0.337
nominal_value                 NaN
summed_max                    NaN
max                           1.0
min                           0.0
negative_gradient_costs       0.0
positive_gradient_costs       0.0
variable_costs             19.944
Name: (hard coal, DE), dtype: object
>>> flow_to_power_plant = [
...     bk for bk in my_results["main"].keys()
...     if bk[1] is not None
...     and bk[1].label.cat == "power plant"
...     and bk[1].label.subtag == "natural gas"
... ][0]
>>> float(cdf.loc[cdf.to_node == flow_to_power_plant[0]].emission)
0.201