Make uuids persistent when exporting with Anki 2.1.35 (≥ 2.1.28)

crowd_anki/export/anki_exporter.py

@@ -48,21 +48,36 @@ def export_to_directory(self, deck: AnkiDeck, output_dir=Path("."), copy_media=T
                                        indent=4,
                                        ensure_ascii=False))
 
-        self._save_changes()
+        self._save_changes(deck)
 
         if copy_media:
             self._copy_media(deck, deck_directory)
 
         return deck_directory
 
-    def _save_changes(self):
-        """Save updates that were maid during the export. E.g. UUID fields"""
-        # This saves decks and deck configurations
-        self.collection.decks.save()
-        self.collection.decks.flush()
+    def _save_changes(self, deck, is_export_child=False):
+        """Save updates that were made during the export. E.g. UUID fields
 
-        self.collection.models.save()
-        self.collection.models.flush()
+It saves decks, deck configurations and models.
+
+is_export_child refers to whether this deck is a child for the
+_purposes of the current export operation_.  For instance, if we're
+exporting or snapshotting a specific subdeck, then it's considered the
+"parent" here.  We need the argument to avoid duplicately saving deck
+configs and note models.
+
+        """
+
+        self.collection.decks.save(deck.anki_dict)
+        for child_deck in deck.children:
+            self._save_changes(child_deck, is_export_child=True)
+
+        if not is_export_child:
+            for deck_config in deck.metadata.deck_configs.values():
+                self.collection.decks.save(deck_config.anki_dict)
+
+            for model in deck.metadata.models.values():
+                self.collection.models.save(model.anki_dict)
 
         # Notes?
 
@@ -76,4 +91,4 @@ def _copy_media(self, deck, deck_directory):
                 shutil.copy(os.path.join(self.collection.media.dir(), file_src),
                             str(media_directory.resolve()))
             except IOError as ioerror:
-                print("Failed to copy a file {}. Full error: {}".format(file_src, ioerror))
+                print("Failed to copy a file {}. Full error: {}".format(file_src, ioerror))