add offload mode to controlnets and framepack

Signed-off-by: Vladimir Mandic <mandic00@live.com>

modules/control/units/controlnet.py

@@ -205,6 +205,12 @@ class ControlNet():
         self.load_config = { 'cache_dir': cache_dir }
         if load_config is not None:
             self.load_config.update(load_config)
+        if opts.offline_mode:
+            self.load_config["local_files_only"] = True
+            os.environ['HF_HUB_OFFLINE'] = '1'
+        else:
+            os.environ.pop('HF_HUB_OFFLINE', None)
+            os.unsetenv('HF_HUB_OFFLINE')
         if model_id is not None:
             self.load()