Start patching ecoinvent data

Author: cmutel

ecoinvent_migrate/main.py

@@ -16,6 +16,7 @@
     source_target_pair_as_bw_dict,
     split_replace_disaggregate,
 )
+from .patches import TECHNOSPHERE_PATCHES
 from . import __version__
 
 
@@ -145,6 +146,12 @@ def generate_technosphere_mapping(
     )
     data = split_replace_disaggregate(data=data, target_lookup=target_lookup)
 
+    try:
+        for key, value in TECHNOSPHERE_PATCHES[(source_version, target_version)].items():
+            data[key].extend(value)
+    except KeyError:
+        pass
+
     if not data["replace"] and not data["disaggregate"]:
         logger.info(
             "It seems like there are no technosphere changes for this release. Doing nothing."
@@ -231,6 +238,9 @@ def generate_biosphere_mapping(
             )
         )
 
+    if not description:
+        description = f"Data migration file from {source_db_name} to {target_db_name} generated with `ecoinvent_migrate` version {__version__}"
+
     data = pd.read_excel(io=excel_filepath, sheet_name=candidates[0]).to_dict(orient="records")
     data = source_target_biosphere_pair(
         data=data,

ecoinvent_migrate/patches.py

@@ -0,0 +1,48 @@
+TECHNOSPHERE_PATCHES = {
+    ("3.9.1", "3.10"): {
+        'replace': [
+            {
+                'source': {
+                    'name': "modified Solvay process, Hou's process",
+                    'location': 'GLO',
+                    'reference product': 'ammonium chloride',
+                    'unit': 'kg'
+                },
+                'target': {
+                    'name': "soda ash production, dense, Hou's process",
+                    'location': 'GLO',
+                    'reference product': 'ammonium chloride',
+                    'unit': 'kg'
+                }
+            },
+            {
+                'source': {
+                    'name': 'Mannheim process',
+                    'location': 'RER',
+                    'reference product': 'sodium sulfate, anhydrite',
+                    'unit': 'kg'
+                },
+                'target': {
+                    'name': "hydrochloric acid production, Mannheim process",
+                    'location': 'RER',
+                    'reference product': 'sodium sulfate, anhydrite',
+                    'unit': 'kg'
+                }
+            },
+            {
+                'source': {
+                    'name': 'Mannheim process',
+                    'location': 'RoW',
+                    'reference product': 'sodium sulfate, anhydrite',
+                    'unit': 'kg'
+                },
+                'target': {
+                    'name': "hydrochloric acid production, Mannheim process",
+                    'location': 'RoW',
+                    'reference product': 'sodium sulfate, anhydrite',
+                    'unit': 'kg'
+                }
+            },
+        ]
+    }
+}