Update docstrings to NumPy standard (importers)

bw2io/importers/__init__.py

@@ -13,3 +13,27 @@
 from .exiobase3_monetary import Exiobase3MonetaryImporter
 from .simapro_csv import SimaProCSVImporter
 from .simapro_lcia_csv import SimaProLCIACSVImporter
+
+"""
+This module provides classes for importing Life Cycle Impact Assessment (LCIA) data
+from different file formats. The following importers are provided:
+
+- EcoinventLCIAImporter
+- MultiOutputEcospold1Importer
+- NoIntegerCodesEcospold1Importer
+- SingleOutputEcospold1Importer
+- Ecospold1LCIAImporter
+- SingleOutputEcospold2Importer
+- Ecospold2BiosphereImporter
+- CSVImporter
+- ExcelImporter
+- CSVLCIAImporter
+- ExcelLCIAImporter
+- Exiobase3HybridImporter
+- Exiobase3MonetaryImporter
+- SimaProCSVImporter
+- SimaProLCIACSVImporter
+
+"""
+
+# Import classes for LCIA data import

bw2io/importers/ecospold1_lcia.py

@@ -1,13 +1,41 @@
 from time import time
-
 from ..extractors import Ecospold1LCIAExtractor
 from .base_lcia import LCIAImporter
 
 
 class Ecospold1LCIAImporter(LCIAImporter):
+    """
+    Importer for Ecospold1 LCIA format.
+
+    Parameters
+    ----------
+    filepath: str
+        Path to the Ecospold1 LCIA file.
+    biosphere: bw2data.BiosphereDatabase, optional
+        Biosphere database to use. If None, the default biosphere database will be used.
+
+    Attributes
+    ----------
+    format : str
+        The format of the LCIA data, which is "Ecospold1 LCIA".
+    data : dict
+        The LCIA data extracted from the Ecospold1 LCIA file.
+
+    """
     format = "Ecospold1 LCIA"
 
     def __init__(self, filepath, biosphere=None):
+        """
+        Initialize the Ecospold1LCIAImporter instance.
+
+        Parameters
+        ----------
+        filepath : str
+            Path to the Ecospold1 LCIA file.
+        biosphere : bw2data.BiosphereDatabase, optional
+            Biosphere database to use. If None, the default biosphere database will be used.
+
+        """
         super(Ecospold1LCIAImporter, self).__init__(filepath, biosphere)
         start = time()
         self.data = Ecospold1LCIAExtractor.extract(filepath)

bw2io/importers/ecospold2_biosphere.py

@@ -11,6 +11,7 @@
 )
 from .base_lci import LCIImporter
 
+
 EMISSIONS_CATEGORIES = {
     "air": "emission",
     "soil": "emission",
@@ -19,9 +20,39 @@
 
 
 class Ecospold2BiosphereImporter(LCIImporter):
+    '''Import elementary flows from ecoinvent xml format.
+
+    Parameters
+    ----------
+    name : str, optional
+        Name of the database, by default "biosphere3".
+    version : str, optional
+        Version of the database, by default "3.9".
+
+    Attributes
+    ----------
+    format : str
+        Format of the data: "Ecoinvent XML".
+    db_name : str
+        Name of the database.
+    data : list
+        Extracted data from the xml file.
+    strategies : list
+        List of functions to apply to the extracted data.
+    '''
+
     format = "Ecoinvent XML"
 
     def __init__(self, name="biosphere3", version="3.9"):
+        '''Initialize the importer.
+
+        Parameters
+        ----------
+        name : str, optional
+            Name of the database, by default "biosphere3".
+        version : str, optional
+            Version of the database, by default "3.9".
+        '''
         self.db_name = name
         self.data = self.extract(version)
         self.strategies = [
@@ -31,6 +62,19 @@ def __init__(self, name="biosphere3", version="3.9"):
         ]
 
     def extract(self, version):
+        '''Extract elementary flows from the xml file.
+
+        Parameters
+        ----------
+        version : str
+            Version of the database.
+
+        Returns
+        -------
+        list
+            Extracted data from the xml file.
+        '''
+
         def extract_flow_data(o):
             ds = {
                 "categories": (

bw2io/importers/excel_lcia.py

@@ -18,6 +18,14 @@
 
 
 def as_dicts(obj):
+    """Converts a 2D list to a list of dictionaries.
+
+    Args:
+        obj (list): The 2D list to be converted.
+
+    Returns:
+        list: The list of dictionaries.
+    """
     if len(obj) == 1:
         obj = obj[0]
     assert isinstance(obj[0], str)
@@ -30,12 +38,24 @@ class ExcelLCIAImporter(LCIAImporter):
 
     See the `documentation <https://2.docs.brightway.dev/intro.html#importing-lcia-methods-from-the-standard-excel-template>`__.
 
+    Attributes:
+        format (str): The file format.
+        extractor (class): The file extractor class.
     """
 
     format = "Excel"
     extractor = ExcelExtractor
 
     def __init__(self, filepath, name, description, unit, **metadata):
+        """Initializes the ExcelLCIAImporter object.
+
+        Args:
+            filepath (str): The path to the Excel file.
+            name (tuple): The name of the LCIA method.
+            description (str): The description of the LCIA method.
+            unit (str): The unit of the LCIA method.
+            **metadata: The metadata associated with the LCIA method.
+        """
         assert isinstance(name, tuple)
         self.strategies = [
             csv_restore_tuples,
@@ -66,7 +86,12 @@ def __init__(self, filepath, name, description, unit, **metadata):
 
 
 class CSVLCIAImporter(ExcelLCIAImporter):
-    """Generic CSV LCIA importer"""
+    """Generic CSV LCIA importer.
+
+    Attributes:
+        format (str): The file format.
+        extractor (class): The file extractor class.
+    """
 
     format = "CSV"
     extractor = CSVExtractor

bw2io/importers/json_ld_lcia.py

@@ -12,12 +12,49 @@
 
 
 class JSONLDLCIAImporter(LCIAImporter):
-    """Importer for the `OLCD JSON-LD LCIA data format <https://github.com/GreenDelta/olca-schema>`__."""
+    """
+    Importer for the `OLCD JSON-LD LCIA data format <https://github.com/GreenDelta/olca-schema>`__.
+
+    Parameters
+    ----------
+    dirpath: str
+        Directory path for the JSON-LD data.
+
+    Attributes
+    ----------
+    format: str
+        Data format description.
+    extractor: :class:`JSONLDExtractor`
+        Extractor class for the JSON-LD data.
+    data: dict
+        Extracted LCIA data.
+    strategies: list
+        List of strategies to apply to the LCIA data.
+
+    Methods
+    -------
+    match_biosphere_by_id(database_name)
+        Matches biosphere flows to a specified database by ID.
+
+    """
 
     format = "OLCA JSON-LD"
     extractor = JSONLDExtractor
 
     def __init__(self, dirpath):
+        """
+        Initialize the JSONLDLCIAImporter object.
+
+        Parameters
+        ----------
+        dirpath: str
+            Directory path for the JSON-LD data.
+
+        Returns
+        -------
+        None
+
+        """
         self.data = self.extractor.extract(dirpath)
         KEEP = ("lcia_categories", "lcia_methods", "flows")
         for key in list(self.data.keys()):
@@ -33,6 +70,19 @@ def __init__(self, dirpath):
         ]
 
     def match_biosphere_by_id(self, database_name):
+        """
+        Matches biosphere flows to a specified database by ID.
+
+        Parameters
+        ----------
+        database_name: str
+            Name of the biosphere database.
+
+        Returns
+        -------
+        None
+
+        """
         assert database_name in databases
 
         codes = {o["code"] for o in Database(database_name)}

bw2io/importers/simapro_lcia_csv.py

@@ -9,8 +9,37 @@
 )
 from .base_lcia import LCIAImporter
 
-
 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 using the
+    ``SimaProLCIACSVExtractor`` extractor.
+
+    If ``normalize_biosphere=True``, the following strategies are applied:
+
+    * ``normalize_units``
+    * ``set_biosphere_type``
+    * ``normalize_simapro_biosphere_categories``
+    * ``normalize_simapro_biosphere_names``
+
+    """
     format = u"SimaPro CSV LCIA"
 
     def __init__(