X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=plomtask%2Fdb.py;h=385e79855286c45087537b3b63b8b024fd553ca0;hb=1e4c7cd5cde09a5c58bc601cae3f5a49eb615399;hp=1cecc16f6985b555f25757ad6e9f65724311a287;hpb=db62e6559fdd577dae38d4b6f5cbd5ef6a14cc57;p=plomtask diff --git a/plomtask/db.py b/plomtask/db.py index 1cecc16..385e798 100644 --- a/plomtask/db.py +++ b/plomtask/db.py @@ -275,6 +275,8 @@ class BaseModel(Generic[BaseModelId]): def as_dict(self) -> dict[str, object]: """Return self as (json.dumps-coompatible) dict.""" d: dict[str, object] = {'id': self.id_} + if len(self.to_save_versioned) > 0: + d['_versioned'] = {} for k in self.to_save: attr = getattr(self, k) if hasattr(attr, 'as_dict'): @@ -282,7 +284,8 @@ class BaseModel(Generic[BaseModelId]): d[k] = attr for k in self.to_save_versioned: attr = getattr(self, k) - d[k] = attr.as_dict + assert isinstance(d['_versioned'], dict) + d['_versioned'][k] = attr.history for r in self.to_save_relations: attr_name = r[2] d[attr_name] = [x.as_dict for x in getattr(self, attr_name)] @@ -312,7 +315,13 @@ class BaseModel(Generic[BaseModelId]): @classmethod def empty_cache(cls) -> None: - """Empty class's cache.""" + """Empty class's cache, and disappear all former inhabitants.""" + # pylint: disable=protected-access + # (cause we remain within the class) + if hasattr(cls, 'cache_'): + to_disappear = list(cls.cache_.values()) + for item in to_disappear: + item._disappear() cls.cache_ = {} @classmethod @@ -366,8 +375,14 @@ class BaseModel(Generic[BaseModelId]): # pylint: disable=unused-argument db_conn: DatabaseConnection, row: Row | list[Any]) -> BaseModelInstance: - """Make from DB row, update DB cache with it.""" + """Make from DB row (sans relations), update DB cache with it.""" obj = cls(*row) + assert obj.id_ is not None + for attr_name in cls.to_save_versioned: + attr = getattr(obj, attr_name) + table_name = attr.table_name + for row_ in db_conn.row_where(table_name, 'parent', obj.id_): + attr.history_from_row(row_) obj._cache() return obj