refactor: Workflow execution logic

Author: shaohuzhang1

apps/application/flow/workflow_manage.py

@@ -29,7 +29,7 @@
 from setting.models import Model
 from setting.models_provider import get_model_credential
 
-executor = ThreadPoolExecutor(max_workers=50)
+executor = ThreadPoolExecutor(max_workers=200)
 
 
 class Edge:
@@ -271,7 +271,7 @@ def __init__(self, flow: Flow, params, work_flow_post_handler: WorkFlowPostHandl
         self.current_result = None
         self.answer = ""
         self.answer_list = ['']
-        self.status = 0
+        self.status = 200
         self.base_to_response = base_to_response
         self.chat_record = chat_record
         self.await_future_map = {}
@@ -384,8 +384,23 @@ def await_result(self, result):
                                                                  '', True, message_tokens, answer_tokens, {})
 
     def run_chain_async(self, current_node, node_result_future):
-        future = executor.submit(self.run_chain, current_node, node_result_future)
-        return future
+        return executor.submit(self.run_chain_manage, current_node, node_result_future)
+
+    def run_chain_manage(self, current_node, node_result_future):
+        if current_node is None:
+            start_node = self.get_start_node()
+            current_node = get_node(start_node.type)(start_node, self.params, self)
+        result = self.run_chain(current_node, node_result_future)
+        node_list = self.get_next_node_list(current_node, result)
+        if len(node_list) == 1:
+            self.run_chain_manage(node_list[0], None)
+        elif len(node_list) > 1:
+
+            # 获取到可执行的子节点
+            result_list = [{'node': node, 'future': executor.submit(self.run_chain_manage, node, None)} for node in
+                           node_list]
+            self.set_await_map(result_list)
+            [r.get('future').result() for r in result_list]
 
     def set_await_map(self, node_run_list):
         sorted_node_run_list = sorted(node_run_list, key=lambda n: n.get('node').node.y)
@@ -395,9 +410,6 @@ def set_await_map(self, node_run_list):
                 for i in range(index)]
 
     def run_chain(self, current_node, node_result_future=None):
-        if current_node is None:
-            start_node = self.get_start_node()
-            current_node = get_node(start_node.type)(start_node, self.params, self)
         if node_result_future is None:
             node_result_future = self.run_node_future(current_node)
         try:
@@ -409,18 +421,10 @@ def run_chain(self, current_node, node_result_future=None):
             result = self.hand_event_node_result(current_node,
                                                  node_result_future) if is_stream else self.hand_node_result(
                 current_node, node_result_future)
-            with self.lock:
-                if current_node.status == 500:
-                    return
-                node_list = self.get_next_node_list(current_node, result)
-            # 获取到可执行的子节点
-            result_list = [{'node': node, 'future': self.run_chain_async(node, None)} for node in node_list]
-            self.set_await_map(result_list)
-            [r.get('future').result() for r in result_list]
-            if self.status == 0:
-                self.status = 200
+            return result
         except Exception as e:
             traceback.print_exc()
+        return []
 
     def hand_node_result(self, current_node, node_result_future):
         try: