Switching to sqlLite backend

dev/Untitled1.ipynb

@@ -3299,7 +3299,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.13"
+   "version": "3.11.9"
   }
  },
  "nbformat": 4,

premise/brightway25.py

@@ -2,11 +2,7 @@
 This module contains functions to write a Brightway 2.5 database.
 """
 
-import itertools
-from copy import copy
-
 from bw2data import Database, databases
-from bw2data.backends.iotable.backend import IOTableBackend
 from bw2io.importers.base_lci import LCIImporter
 from wurst.linking import change_db_name, check_internal_linking, link_internal
 
@@ -29,82 +25,16 @@ def __init__(self, db_name: str, data: list) -> None:
         for act in self.data:
             act["database"] = self.db_name
 
-    # we override `write_database`
-    # to allow existing databases
-    # to be overwritten
-    def write_database(self):
-        """
-        Write a Brightway 2.5 database from a Wurst database.
-        """
-
-        def no_exchange_generator(data):
-            """
-            Remove exchanges from data.
-            """
-            for ds in data:
-                cp = copy(ds)
-                cp["exchanges"] = []
-                yield cp
-
-        if self.db_name in databases:
-            print(f"Database {self.db_name} already exists: " "it will be overwritten.")
-        super().write_database(
-            list(no_exchange_generator(self.data)), backend="iotable"
-        )
-
-        dependents = {exc["input"][0] for ds in self.data for exc in ds["exchanges"]}
-        lookup = {
-            obj.key: obj.id
-            for obj in itertools.chain(*[Database(label) for label in dependents])
-        }
-
-        def technosphere_generator(data, lookup):
-            for ds in data:
-                target = lookup[(ds["database"], ds["code"])]
-                for exc in ds["exchanges"]:
-                    if exc["type"] in (
-                        "substitution",
-                        "production",
-                        "generic production",
-                    ):
-                        yield {
-                            "row": lookup[exc["input"]],
-                            "col": target,
-                            "amount": exc["amount"],
-                            "flip": False,
-                        }
-                    elif exc["type"] == "technosphere":
-                        yield {
-                            "row": lookup[exc["input"]],
-                            "col": target,
-                            "amount": exc["amount"],
-                            "flip": True,
-                        }
-
-        def biosphere_generator(data, lookup):
-            for ds in data:
-                target = lookup[(ds["database"], ds["code"])]
-                for exc in ds["exchanges"]:
-                    if exc["type"] == "biosphere":
-                        yield {
-                            "row": lookup[exc["input"]],
-                            "col": target,
-                            "amount": exc["amount"],
-                            "flip": False,
-                        }
-
-        db = IOTableBackend(name=self.db_name)
-        db.write_exchanges(
-            technosphere_generator(self.data, lookup),
-            biosphere_generator(self.data, lookup),
-            list(dependents),
-        )
-
 
 def write_brightway_database(data: list, name: str) -> None:
     # Restore parameters to Brightway2 format
     # which allows for uncertainty and comments
     change_db_name(data, name)
     link_internal(data)
     check_internal_linking(data)
+
+    if name in databases:
+        print(f"Database {name} already exists: it will be overwritten.")
+        del databases[name]
+
     BW25Importer(name, data).write_database()

premise/iam_variables_mapping/missing_geography_equivalences.yaml

@@ -2,13 +2,13 @@
 # for which constructive_geometries
 # cannot find an IAM equivalent
 ---
-Europe without Austria:
+Europe without Switzerland and Austria:
   remind: EUR
   image: WEU
   message: WEU
   tiam-ucl: WEU
   gcam: EU-15
-Europe without Switzerland and Austria:
+Europe without Austria:
   remind: EUR
   image: WEU
   message: WEU