bw2io.extractors.simapro_lcia_csv

Module Contents

Classes

SimaProLCIACSVExtractor

Extract data from SimaPro LCIACSV file format.

Attributes

INTRODUCTION
SKIPPABLE_SECTIONS
strip_delete

exception bw2io.extractors.simapro_lcia_csv.EndOfDatasets

Bases: Exception

Common base class for all non-exit exceptions.

Initialize self. See help(type(self)) for accurate signature.

class bw2io.extractors.simapro_lcia_csv.SimaProLCIACSVExtractor

Bases: object

Extract data from SimaPro LCIACSV file format.

Parameters

filepath: str

Filepath of the SimaPro LCIACSV file.

delimiter: str, optional (default: “;”)

Delimiter used in the SimaPro LCIACSV file.

encoding: str, optional (default: “cp1252”)

Encoding of the SimaPro LCIACSV file.

Raises

AssertionError

If the filepath does not exist or the file is not a valid SimaPro export file.

Returns

list

List of datasets extracted from the SimaPro LCIACSV file.

classmethod extract(filepath, delimiter=';', encoding='cp1252', **kwargs)

classmethod get_all_cfs(nw_data, category_data)

Get all CFs from nw_data and category_data.

Parameters

nw_datalist

A list of tuples containing normalization-weighting (NW) set names and scales.

category_datalist

A list of tuples containing impact category names, units, and CF data.

Returns

list

A list of all CFs.

classmethod get_category_data(data, index)

Parse impact category data and return its name, unit, and data.

Parameters

datalist of lists

A list of lists with the data for all categories

indexint

The index of the current impact category in the list

Returns

tuple

A tuple with the name, unit, and data for the impact category

classmethod get_damage_category_data(data, index)

Parse damage category data and return the name, unit, and data of the category.

Parameters

datalist of lists

A list of lists with the data of the damage categories

indexint

The index of the current damage category in the list

Returns

tuple

A tuple with the name, unit, and data for the damage category

classmethod get_damage_exchanges(damage_data, category_data)

Calculate the damage exchanges based on damage data and category data.

Parameters

damage_datalist of tuples

A list of tuples containing the name and scale of the damage

category_datalist of tuples

A list of tuples containing the name, unit, and data of each impact category

Returns

list of dictionaries

A list of dictionaries with the calculated damage exchanges of each impact category

classmethod get_next_method_index(data, index)

Find the index of the next “Method” in the given data starting from the specified index, skipping any sections specified in SKIPPABLE_SECTIONS.

Parameters

datalist of lists

The nested list containing the data.

indexint

The starting index to search for the next “Method”.

Returns

int

The index of the next “Method” in the data.

Raises

EndOfDatasets

If the file ends without extra metadata.

classmethod get_normalization_weighting_data(data, index)

classmethod parse_cf(line)

Parse line in Substances section.

0. category

1. subcategory

2. flow

3. CAS number

4. CF

5. unit

classmethod read_metadata(data, index)

Read metadata from data starting at index.

Parameters

datalist

A list of lists containing the data to be processed.

indexint

The starting index to read metadata from.

Returns

tuple

A tuple containing a dictionary of metadata and the index where the metadata reading ended.

classmethod read_method_data_set(data, index, filepath)

Read method data set from data starting at index.

Parameters

datalist

A list of lists containing the data to be processed.

indexint

The starting index to read method data set from.

filepathstr

The file path of the method data set.

Returns

list

A list of completed method data sets.

int

The index where the method data set reading ended.

Raises

ValueError

classmethod skip_to_section_end(data, index)

Skip to the end of the current section in the data starting from the specified index.

Parameters

datalist of lists

The nested list containing the data.

indexint

The starting index to skip from.

Returns

int

The index of the end of the current section in the data.

bw2io.extractors.simapro_lcia_csv.INTRODUCTION = Multiline-String

Show Value

"""Starting SimaPro import:
        Filepath: %s
        Delimiter: %s
"""

bw2io.extractors.simapro_lcia_csv.SKIPPABLE_SECTIONS

bw2io.extractors.simapro_lcia_csv.strip_delete