Add support for streaming output

Add support for streaming output

omagent-core/src/omagent_core/clients/devices/cli/callback.py

@@ -1,5 +1,6 @@
 import datetime
 import os
+import sys
 
 from colorama import Fore, Style
 from omagent_core.utils.registry import registry
@@ -10,6 +11,7 @@
 @registry.register_component()
 class DefaultCallback(CallbackBase):
     bot_id: str = ""
+    incomplete_flag: bool = False
 
     def visualize_in_terminal(self, *args, **kwargs):
         pass
@@ -19,6 +21,11 @@ def info(self, agent_id, progress, message):
             f"\n{Fore.BLUE}info:{agent_id} {progress} {message}{Style.RESET_ALL}"
         )
 
+    def send_incomplete(self, agent_id, msg, **kwargs):
+        sys.stdout.write(f"{Fore.BLUE}{msg}{Style.RESET_ALL}")
+        sys.stdout.flush()
+        self.incomplete_flag = True
+
     def send_block(
         self,
         agent_id,
@@ -27,16 +34,25 @@ def send_block(
     ):
         if kwargs.get('filter_special_symbols', False):
             msg = self.filter_special_symbols_in_msg(msg)
-        logging.info(f"\n{Fore.BLUE}block:{msg}{Style.RESET_ALL}")
+        if self.incomplete_flag:
+            sys.stdout.write(f"{Fore.BLUE}{msg}{Style.RESET_ALL}")
+            sys.stdout.flush()
+            self.incomplete_flag = False
+        else:
+            logging.info(f"\n{Fore.BLUE}block:{msg}{Style.RESET_ALL}")
 
-
     def error(self, agent_id, error_code, error_info, **kwargs):
         logging.error(f"\n{Fore.RED}{error_info}{Style.RESET_ALL}")
 
     def send_answer(self, agent_id, msg, **kwargs):        
         if kwargs.get('filter_special_symbols', False):
             msg = self.filter_special_symbols_in_msg(msg)
-        logging.info(f"\n{Fore.BLUE}answer:{msg}{Style.RESET_ALL}")
+        if self.incomplete_flag:
+            sys.stdout.write(f"{Fore.BLUE}{msg}{Style.RESET_ALL}")
+            sys.stdout.flush()
+            self.incomplete_flag = False
+        else:
+            logging.info(f"\n{Fore.BLUE}answer:{msg}{Style.RESET_ALL}")
 
     def finish(self, **kwargs):
         def generate_tree(path, indent=""):

omagent-core/src/omagent_core/clients/devices/webpage/client.py

@@ -35,6 +35,7 @@ def __init__(
         self._config_path = config_path
         self._workers = workers
         self._workflow_instance_id = None
+        self._incomplete_message = ""
         self._custom_css = """
             #OmAgent {
                 height: 100vh !important;
@@ -193,16 +194,35 @@ def bot(self, history: list):
             # read output stream
             messages = self._get_redis_stream_message(group_name, consumer_name, stream_name)
             finish_flag = False
+
             for stream, message_list in messages:
                 for message_id, message in message_list:
+                    incomplete_flag = False
                     payload_data = self._get_message_payload(message)
                     if payload_data is None:
                         continue
+                    if payload_data["content_status"] == ContentStatus.INCOMPLETE.value:
+                        incomplete_flag = True
                     message_item = payload_data["message"]
                     if message_item["type"] == MessageType.IMAGE_URL.value:
                         history.append({"role": "assistant", "content": {"path": message_item["content"]}})
                     else:
-                        history.append({"role": "assistant", "content": message_item["content"]})
+                        if incomplete_flag:
+                            self._incomplete_message = self._incomplete_message + message_item["content"]
+                            if history and history[-1]["role"] == "assistant":
+                                history[-1]["content"] = self._incomplete_message
+                            else:
+                                history.append({"role": "assistant", "content": self._incomplete_message})
+                        else:
+                            if self._incomplete_message != "":
+                                self._incomplete_message = self._incomplete_message + message_item["content"]
+                                if history and history[-1]["role"] == "assistant":
+                                    history[-1]["content"] = self._incomplete_message
+                                else:
+                                    history.append({"role": "assistant", "content": self._incomplete_message})
+                                self._incomplete_message = ""
+                            else:
+                                history.append({"role": "assistant", "content": message_item["content"]})
 
                     yield history