fix: Add script to repair corrupted stock.move.line records missing product_id.

fix_corrupted_move_lines.py

@@ -0,0 +1,57 @@
+# Save this script and run it using the Odoo shell:
+# odoo-bin shell -c <your_config> -d <your_database> < fix_corrupted_move_lines.py
+
+import logging
+_logger = logging.getLogger(__name__)
+
+def fix_corrupted_move_lines(env):
+    _logger.info("Scanning for corrupted stock.move.lines with missing product_id...")
+    
+    # Search for all move lines that do not have a product_id
+    # We use a raw SQL query to aggressively find them even if ORM hides them,
+    # but we will try to use ORM first.
+    
+    env.cr.execute("""
+        SELECT id, move_id 
+        FROM stock_move_line 
+        WHERE product_id IS NULL AND move_id IS NOT NULL
+    """)
+    
+    corrupted_lines = env.cr.fetchall()
+    
+    if not corrupted_lines:
+        _logger.info("No corrupted move lines found!")
+        print("No corrupted move lines found.")
+        return
+
+    _logger.info(f"Found {len(corrupted_lines)} corrupted move lines. Fixing...")
+    print(f"Found {len(corrupted_lines)} corrupted move lines. Fixing...")
+    
+    fixed_count = 0
+    for line_id, move_id in corrupted_lines:
+        try:
+            # Find the parent move to get the correct product_id
+            move = env['stock.move'].browse(move_id)
+            if not move.exists() or not move.product_id:
+                _logger.warning(f"Could not fix move line {line_id}: Parent move {move_id} is missing or has no product.")
+                continue
+                
+            # Perform a hard SQL update to bypass any ORM constraints that might crash
+            env.cr.execute("""
+                UPDATE stock_move_line 
+                SET product_id = %s 
+                WHERE id = %s
+            """, (move.product_id.id, line_id))
+            
+            fixed_count += 1
+            print(f"Fixed move line {line_id} -> Assigned product_id {move.product_id.id} ({move.product_id.display_name})")
+            
+        except Exception as e:
+            _logger.error(f"Error fixing line {line_id}: {e}")
+            
+    env.cr.commit()
+    _logger.info(f"Successfully fixed {fixed_count} move lines.")
+    print(f"Successfully fixed {fixed_count} move lines. Please refresh your Odoo browser.")
+
+# Execute the fix
+fix_corrupted_move_lines(env)