Update

2023/RELOAD_SHELF.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Nexus Shelf Reload Script
+Use this script to reload Nexus shelves without restarting Maya
+"""
+
+import maya.cmds as cmds
+import maya.mel as mel
+import os
+
+SHELF_NAMES = ["Nexus_Modeling", "Nexus_Rigging", "Nexus_Animation"]
+
+def reload_nexus_shelves():
+    """Reload all Nexus shelves"""
+    print("=" * 60)
+    print("[Nexus] Reloading Nexus shelves...")
+    print("=" * 60)
+    
+    # Get shelf path
+    shelf_paths = os.environ.get('MAYA_SHELF_PATH', '')
+    
+    if not shelf_paths:
+        print("[Nexus] MAYA_SHELF_PATH not set")
+        try:
+            script_dir = os.path.dirname(os.path.abspath(__file__))
+            shelf_paths = os.path.join(script_dir, "shelves")
+            print(f"[Nexus] Using script directory: {shelf_paths}")
+        except:
+            print("[Nexus] Could not determine shelf path")
+            return
+    
+    path_separator = ';' if os.name == 'nt' else ':'
+    shelf_path_list = shelf_paths.split(path_separator)
+    
+    for shelf_name in SHELF_NAMES:
+        # Find shelf file
+        shelf_file_found = None
+        for shelf_path in shelf_path_list:
+            shelf_path = shelf_path.strip()
+            if not shelf_path:
+                continue
+            
+            shelf_file = os.path.join(shelf_path, f"shelf_{shelf_name}.mel")
+            shelf_file = shelf_file.replace("\\", "/")
+            
+            if os.path.exists(shelf_file):
+                shelf_file_found = shelf_file
+                break
+        
+        if not shelf_file_found:
+            print(f"[Nexus] Could not find shelf_{shelf_name}.mel")
+            continue
+        
+        # Delete old shelf if exists
+        if cmds.shelfLayout(shelf_name, exists=True):
+            print(f"[Nexus] Deleting old shelf: {shelf_name}")
+            try:
+                cmds.deleteUI(shelf_name, layout=True)
+            except Exception as e:
+                print(f"[Nexus] Warning: Could not delete old shelf: {e}")
+        
+        # Load shelf using proper MEL method
+        print(f"[Nexus] Loading shelf: {shelf_name}")
+        try:
+            # Disable auto-save
+            mel.eval('optionVar -intValue "saveLastLoadedShelf" 0;')
+            
+            # Create shelf layout
+            mel.eval(f'''
+                global string $gShelfTopLevel;
+                if (`shelfLayout -exists {shelf_name}`) {{
+                    deleteUI -layout {shelf_name};
+                }}
+                setParent $gShelfTopLevel;
+                shelfLayout -cellWidth 35 -cellHeight 34 {shelf_name};
+            ''')
+            print(f"[Nexus] ✓ Created shelf layout: {shelf_name}")
+            
+            # Set parent and execute shelf script
+            mel.eval(f'setParent {shelf_name};')
+            mel.eval(f'source "{shelf_file_found}";')
+            mel.eval(f'shelf_{shelf_name}();')
+            print(f"[Nexus] ✓ Executed shelf script: shelf_{shelf_name}()")
+            
+            # Verify shelf
+            if cmds.shelfLayout(shelf_name, exists=True):
+                buttons = cmds.shelfLayout(shelf_name, query=True, childArray=True) or []
+                if buttons:
+                    print(f"[Nexus] ✓ Shelf loaded with {len(buttons)} button(s): {shelf_name}")
+                else:
+                    print(f"[Nexus] ⚠ Shelf created but no buttons: {shelf_name}")
+                
+                # Remove auto-saved config
+                try:
+                    maya_version = cmds.about(version=True).split()[0]
+                    maya_app_dir = os.environ.get('MAYA_APP_DIR', '')
+                    if maya_app_dir:
+                        shelf_config = os.path.join(maya_app_dir, maya_version, "prefs", "shelves", f"shelf_{shelf_name}.mel")
+                        if os.path.exists(shelf_config):
+                            os.remove(shelf_config)
+                            print(f"[Nexus] ✓ Removed auto-saved config: {shelf_name}")
+                except Exception as e:
+                    print(f"[Nexus] Warning: {e}")
+            else:
+                print(f"[Nexus] ✗ Shelf layout not created: {shelf_name}")
+                
+        except Exception as e:
+            print(f"[Nexus] Error loading shelf {shelf_name}: {e}")
+            import traceback
+            traceback.print_exc()
+            continue
+    
+    print("=" * 60)
+    print("[Nexus] Shelf reload complete!")
+    print("=" * 60)
+
+
+if __name__ == "__main__":
+    reload_nexus_shelves()