Simplify integration of BricksDB.boxes with other tables.

diff --git a/bricksplom.py b/bricksplom.py
index 36be587986d125edebce59ff9407b88064836c7f..669c3f7d2ab13276bd612da4c9a764931ad99af1 100755 (executable)
--- a/bricksplom.py
+++ b/bricksplom.py
@@ -174,7 +174,7 @@ class Lookupable:
                 ) -> tuple[Self, ...]:
             remains = list(pre_sorted)
             items: list[Self] = []
-            for box in sorted(db.boxes().values(),
+            for box in sorted(db.boxes.values(),
                               key=lambda box: box.id_indented()):
                 for item_id in [t[1] for t in box.brick_listings_flat()]:
                     if to_id_of:
@@ -558,7 +558,7 @@ class BrickSet(Textfiled, WithDb, Lookupable):
             color = str(self._db.colors[self._db.bricks[brick_id].color_id]
                         ).lstrip().split(CHAR_SEP_TOKEN, maxsplit=1)[1]
             box: Optional[Box] = None
-            for i_box in self._db.boxes().values():
+            for i_box in self._db.boxes.values():
                 for idx_in_box in [
                         idx for idx, d_to_ls
                         in enumerate(i_box.designs_to_listings)
@@ -568,7 +568,7 @@ class BrickSet(Textfiled, WithDb, Lookupable):
                 if box:
                     break
             if not box:
-                for i_box in self._db.boxes().values():
+                for i_box in self._db.boxes.values():
                     for idx_in_box in [
                             idx for idx, t
                             in enumerate(i_box.designs_to_listings)
@@ -648,8 +648,7 @@ class Box(WithDb, Lookupable):
 
 class BricksDb:
     'Collection of all the tables enabling their combined processing.'
-    lookupable = frozenset(
-            {'boxes', 'designs', 'sets', 'colors', 'bricks'})
+    lookupable = frozenset({'boxes', 'bricks', 'colors', 'designs', 'sets'})
 
     def __init__(
             self,
@@ -672,6 +671,7 @@ class BricksDb:
                     design.direct_attrs.ldraw = filename
         self._check_consistencies(verify_ldraw='verify' in self._ldraw_mode)
 
+    @property
     def boxes(
             self
             ) -> dict[str, Box]:
@@ -789,9 +789,8 @@ class BricksDb:
             sort_by: str
             ) -> str:
         'Return result of inquiry on table of table_name.'
-        assert table_name in self.lookupable
-        maybe_dict = getattr(self, table_name)
-        table = maybe_dict if isinstance(maybe_dict, dict) else maybe_dict()
+        assert hasattr(self, table_name) and table_name in self.lookupable
+        table = getattr(self, table_name)
         if item_id:
             match_by = PARAM_Q_ID + item_id
         items = tuple(table.values())