Source code for bw2io.importers.simapro_lcia_csv
from time import time
from ..extractors import SimaProLCIACSVExtractor
from ..strategies import (
normalize_simapro_biosphere_categories,
normalize_simapro_biosphere_names,
normalize_units,
set_biosphere_type,
)
from .base_lcia import LCIAImporter
[docs]
class SimaProLCIACSVImporter(LCIAImporter):
"""Importer for SimaPro CSV LCIA data format.
Parameters
----------
filepath : str
Path to the SimaPro CSV LCIA file.
biosphere : str, optional
Name of the biosphere database to use. Default is None, which uses the current
project's default biosphere.
delimiter : str, optional
Delimiter used in the CSV file. Default is ';'.
encoding : str, optional
Character encoding used in the CSV file. Default is 'latin-1'.
normalize_biosphere : bool, optional
Whether to normalize biosphere flows using the included strategies.
Default is True.
Notes
-----
This importer extracts SimaPro CSV LCIA data.
If ``normalize_biosphere=True``, the following strategies are applied:
* ``normalize_units``
* ``set_biosphere_type``
* ``normalize_simapro_biosphere_categories``
* ``normalize_simapro_biosphere_names``
"""
def __init__(
self,
filepath,
biosphere=None,
delimiter=";",
encoding="latin-1",
normalize_biosphere=True,
):
super(SimaProLCIACSVImporter, self).__init__(filepath, biosphere)
if normalize_biosphere:
self.strategies = [
normalize_units,
set_biosphere_type,
normalize_simapro_biosphere_categories,
normalize_simapro_biosphere_names,
] + self.strategies[2:]
start = time()
[docs]
self.data = SimaProLCIACSVExtractor.extract(filepath, delimiter, encoding)
print(
"Extracted {} methods in {:.2f} seconds".format(
len(self.data), time() - start
)
)
