Add API polling to check the execution progress status of the current task

execution.py

@@ -23,6 +23,22 @@ class ExecutionResult(Enum):
     FAILURE = 1
     PENDING = 2
 
+# Add global variables to track the number of nodes
+total_nodes = 0
+executed_nodes = 0
+
+# Add a function to clear statistical information
+def reset_node_counts():
+    global total_nodes, executed_nodes
+    total_nodes = 0
+    executed_nodes = 0
+
+# Add a function to count the total number of nodes
+def count_total_nodes(task_graph):
+    global total_nodes
+    total_nodes = len(task_graph)
+#end
+
 class DuplicateNodeError(Exception):
     pass
 
@@ -39,6 +55,9 @@ def get(self, node_id):
         node = self.dynprompt.get_node(node_id)
         class_type = node["class_type"]
         class_def = nodes.NODE_CLASS_MAPPINGS[class_type]
+        #Initialization statistics <start>
+        reset_node_counts()
+        #Initialization statistics <end>
         if not hasattr(class_def, "IS_CHANGED"):
             self.is_changed[node_id] = False
             return self.is_changed[node_id]
@@ -249,6 +268,10 @@ def execute(server, dynprompt, caches, current_item, extra_data, executed, promp
     inputs = dynprompt.get_node(unique_id)['inputs']
     class_type = dynprompt.get_node(unique_id)['class_type']
     class_def = nodes.NODE_CLASS_MAPPINGS[class_type]
+    #execute node count <start>
+    global executed_nodes
+    executed_nodes+=1
+    #execute node count <end>
     if caches.outputs.get(unique_id) is not None:
         if server.client_id is not None:
             cached_output = caches.ui.get(unique_id) or {}
@@ -479,6 +502,11 @@ def execute(self, prompt, prompt_id, extra_data={}, execute_outputs=[]):
             for node_id in prompt:
                 if self.caches.outputs.get(node_id) is not None:
                     cached_nodes.append(node_id)
+                #Count the number of task nodes <start>
+                else:
+                    global total_nodes
+                    total_nodes+=1
+                #Count the number of task nodes <end>
 
             comfy.model_management.cleanup_models(keep_clone_weights_loaded=True)
             self.add_message("execution_cached",

server.py

@@ -182,6 +182,16 @@ def __init__(self, loop):
 
         self.on_prompt_handlers = []
 
+        #add api get progress status <start>
+        async def get_node_status(request):
+            return web.json_response({
+                "total_nodes": execution.total_nodes,
+                "executed_nodes": execution.executed_nodes
+            })
+        routes.get('/node_status')(get_node_status)
+        self.app.add_routes(routes)
+        #add api get progress status <end>
+
         @routes.get('/ws')
         async def websocket_handler(request):
             ws = web.WebSocketResponse()