Update

template_plugins/maya/2023/RELOAD_SHELF.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Shelf Reload Script
+Run this script in Maya Script Editor to reload NexusLauncher shelf
+"""
+import maya.cmds as cmds
+import maya.mel as mel
+
+
+def reload_shelf():
+    """Reload NexusLauncher shelf"""
+    print("\n" + "=" * 60)
+    print("Reloading NexusLauncher Shelf")
+    print("=" * 60)
+    
+    # 1. Delete old shelf
+    if cmds.shelfLayout('NexusLauncher', exists=True):
+        old_buttons = cmds.shelfLayout('NexusLauncher', query=True, childArray=True) or []
+        print(f"[1/4] Deleting old shelf (had {len(old_buttons)} button(s))...")
+        cmds.deleteUI('NexusLauncher', layout=True)
+        print("      ✓ Old shelf deleted")
+    else:
+        print("[1/4] No existing shelf found")
+    
+    # 2. Reload shelf (using new method)
+    import os
+    shelf_paths = os.environ.get('MAYA_SHELF_PATH', '')
+    
+    # Find shelf file
+    shelf_file_found = None
+    if shelf_paths:
+        path_separator = ';' if os.name == 'nt' else ':'
+        for shelf_path in shelf_paths.split(path_separator):
+            shelf_file = os.path.join(shelf_path.strip(), "shelf_NexusLauncher.mel")
+            if os.path.exists(shelf_file):
+                shelf_file_found = shelf_file.replace("\\", "/")
+                break
+    
+    if not shelf_file_found:
+        print("[2/4] ✗ Could not find shelf_NexusLauncher.mel in MAYA_SHELF_PATH")
+        return False
+    
+    print(f"[2/4] Loading shelf from: {shelf_file_found}")
+    
+    try:
+        # Disable auto-save
+        mel.eval('optionVar -intValue "saveLastLoadedShelf" 0;')
+        
+        # Create shelf layout
+        mel.eval('''
+            global string $gShelfTopLevel;
+            setParent $gShelfTopLevel;
+            shelfLayout -cellWidth 35 -cellHeight 34 NexusLauncher;
+        ''')
+        
+        # Set parent and execute shelf script
+        mel.eval('setParent NexusLauncher;')
+        mel.eval(f'source "{shelf_file_found}";')
+        mel.eval('shelf_NexusLauncher();')
+        
+        print("      ✓ Shelf loaded (temporary, won't be saved)")
+    except Exception as e:
+        print(f"      ✗ Failed to load shelf: {e}")
+        import traceback
+        traceback.print_exc()
+        return False
+    
+    # 3. Verify shelf
+    if cmds.shelfLayout('NexusLauncher', exists=True):
+        print("[3/4] Verifying shelf...")
+        buttons = cmds.shelfLayout('NexusLauncher', query=True, childArray=True) or []
+        
+        if buttons:
+            print(f"      ✓ Shelf has {len(buttons)} button(s)")
+            
+            # Display button details
+            for i, btn in enumerate(buttons, 1):
+                try:
+                    label = cmds.shelfButton(btn, query=True, label=True)
+                    annotation = cmds.shelfButton(btn, query=True, annotation=True)
+                    source_type = cmds.shelfButton(btn, query=True, sourceType=True)
+                    print(f"      Button {i}: {label} ({source_type})")
+                    print(f"               {annotation}")
+                except Exception as e:
+                    print(f"      ✗ Error querying button {i}: {e}")
+        else:
+            print("      ⚠ Warning: Shelf exists but has no buttons!")
+            return False
+    else:
+        print("[3/4] ✗ Shelf not found after loading!")
+        return False
+    
+    # 4. Test button command
+    print("[4/4] Testing button command...")
+    try:
+        import nexus_test
+        print("      ✓ nexus_test module imported")
+        
+        # Run test
+        print("      Running test...")
+        nexus_test.run_test()
+        print("      ✓ Test executed successfully!")
+    except Exception as e:
+        print(f"      ✗ Test failed: {e}")
+        import traceback
+        traceback.print_exc()
+        return False
+    
+    print("=" * 60)
+    print("✓ Shelf reload complete!")
+    print("=" * 60 + "\n")
+    return True
+
+
+if __name__ == '__main__':
+    reload_shelf()