lots of changes

migrations/env.py

@@ -1,36 +1,38 @@
 from __future__ import with_statement
 import os
 import logging
-import importlib.util
+import glob
+import importlib
+
 from alembic import context
 from sqlalchemy import engine_from_config, pool
 from logging.config import fileConfig
+
 from flask import current_app
 from app import db
 
 # -----------------------------
-# 🔍 Automatically import all plugin models
+# 🔍 Automatically import all plugin models under their real package name
 # -----------------------------
-import glob
-import importlib.util
-
 plugin_model_paths = glob.glob(os.path.join("plugins", "*", "models.py"))
 
 for path in plugin_model_paths:
-    module_name = path.replace("/", ".").replace(".py", "")
+    # e.g. path = "plugins/plant/models.py"
+    # We want to turn that into "plugins.plant.models"
+    rel = path[len("plugins/") : -len("/models.py")]  # e.g. "plant"
+    pkg = f"plugins.{rel}.models"                       # e.g. "plugins.plant.models"
     try:
-        spec = importlib.util.spec_from_file_location(module_name, path)
-        module = importlib.util.module_from_spec(spec)
-        spec.loader.exec_module(module)
-        print(f"✅ Loaded: {module_name}")
+        importlib.import_module(pkg)
+        print(f"✅ Loaded: {pkg}")
     except Exception as e:
-        print(f"❌ Failed to load {module_name}: {e}")
+        print(f"❌ Failed to load {pkg}: {e}")
 # -----------------------------
 
 config = context.config
 fileConfig(config.config_file_name)
-logger = logging.getLogger('alembic.env')
+logger = logging.getLogger("alembic.env")
 
+# SQLAlchemy will look at this `target_metadata` when autogenerating
 target_metadata = db.metadata
 
 def run_migrations_offline():