def recalculate_database_parameters(self,
database: str,
global_params: dict = None
) -> Optional[dict]:
new_values = self.get_altered_values(database)
if global_params is None:
global_params = {}
data = DatabaseParameter.load(database)
if not data:
return
for name, amount in new_values.items():
data[name]["amount"] = amount
new_symbols = get_new_symbols(data.values(), set(data))
missing = new_symbols.difference(global_params)
if missing:
raise MissingName(
"The following variables aren't defined:\n{}".format(
"|".join(missing)))
glo = self._static(global_params,
needed=new_symbols) if new_symbols else None
ParameterSet(data, glo).evaluate_and_set_amount_field()
return self._prune_result_data(data)
def __init__(self):
self._project_params = ProjectParameter.load()
self._db_params = {
p.database: DatabaseParameter.load(p.database)
for p in DatabaseParameter.select(DatabaseParameter.database).distinct()
}
self._act_params = {
p.group: ActivityParameter.load(p.group)
for p in ActivityParameter.select(ActivityParameter.group).distinct()
}
self._distinct_act_params = [
p for p in (ActivityParameter
.select(ActivityParameter.group, ActivityParameter.database)
.distinct())
]
self._exc_params = [p for p in ParameterizedExchange.select()]
