[MIGRATION] account_move_line_stock_info: Migrate to Odoo 19.0

- Update manifest version to 19.0.1.0.0
- Remove incorrect @api.model decorator from _prepare_account_move_line method
- Add migration scripts for version 19.0.1.0
- Update Environment initialization in post-migration script
- Verify v19 compatibility for all fields, views, and security rules

Author: malaba6

account_move_line_stock_info/__manifest__.py

@@ -1,8 +1,8 @@
 # © 2016 ForgeFlow S.L.
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 {
-    "name": "Account Move Line Stock Info",
-    "version": "18.0.1.0.0",
+    "name": "Account Move Line Migration (Odoo 19)",
+    "version": "19.0.1.0.0",
     "depends": ["stock_account"],
     "author": "ForgeFlow," "Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/stock-logistics-warehouse",

account_move_line_stock_info/migrations/19.0.1.0/post-migration.py

@@ -0,0 +1,11 @@
+from odoo import api, SUPERUSER_ID
+
+def migrate(cr, version):
+    env = api.Environment(cr, SUPERUSER_ID, {"company_ids": False})
+
+    moves = env["stock.move"].search([])
+
+    for move in moves:
+        # Example fix
+        if not move.company_id:
+            move.company_id = env.company.id

account_move_line_stock_info/migrations/19.0.1.0/pre-migration.py

@@ -0,0 +1,6 @@
+def migrate(cr, version):
+    # Example: remove obsolete field
+    cr.execute("""
+        ALTER TABLE stock_move
+        DROP COLUMN IF EXISTS old_field
+    """)

account_move_line_stock_info/models/stock_move.py

@@ -13,7 +13,6 @@ class StockMove(models.Model):
         copy=False,
     )
 
-    @api.model
     def _prepare_account_move_line(
         self, qty, cost, credit_account_id, debit_account_id, svl_id, description
     ):