Fix: Agent.reset() argument wrong #10463 & Unable to converse with agent through Python API. #10415 (#10472)

### What problem does this PR solve?
Fix: Agent.reset() argument wrong #10463 & Unable to converse with agent
through Python API. #10415

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

agent/canvas.py

@@ -203,7 +203,6 @@ class Canvas(Graph):
             self.history = []
             self.retrieval = []
             self.memory = []
-
         for k in self.globals.keys():
             if isinstance(self.globals[k], str):
                 self.globals[k] = ""
@@ -292,7 +291,6 @@ class Canvas(Graph):
                     "thoughts": self.get_component_thoughts(self.path[i])
                 })
             _run_batch(idx, to)
-
             # post processing of components invocation
             for i in range(idx, to):
                 cpn = self.get_component(self.path[i])
@@ -393,7 +391,6 @@ class Canvas(Graph):
                 self.path = path
                 yield decorate("user_inputs", {"inputs": another_inputs, "tips": tips})
                 return
-
         self.path = self.path[:idx]
         if not self.error:
             yield decorate("workflow_finished",

agent/component/agent_with_tools.py

@@ -346,7 +346,7 @@ Respond immediately with your final comprehensive answer.
 
         return "Error occurred."
 
-    def reset(self):
+    def reset(self, temp=False):
         for k, cpn in self.tools.items():
             cpn.reset()
 

deepdoc/parser/pdf_parser.py

@@ -997,7 +997,7 @@ class RAGFlowPdfParser:
                 self.__ocr(i + 1, img, chars, zoomin, id)
 
             if callback and i % 6 == 5:
-                callback(prog=(i + 1) * 0.6 / len(self.page_images), msg="")
+                callback((i + 1) * 0.6 / len(self.page_images), msg="")
 
         async def __img_ocr_launcher():
             def __ocr_preprocess():

rag/flow/parser/parser.py

@@ -404,8 +404,8 @@ class Parser(ProcessBase):
 
                 _add_content(msg, msg.get_content_type())
 
-                email_content["text"] = body_text
-                email_content["text_html"] = body_html
+                email_content["text"] = "\n".join(body_text)
+                email_content["text_html"] = "\n".join(body_html)
             # get attachment
             if "attachments" in target_fields:
                 attachments = []

sdk/python/ragflow_sdk/modules/session.py

@@ -33,35 +33,52 @@ class Session(Base):
                 self.__session_type = "agent"
         super().__init__(rag, res_dict)
 
-    def ask(self, question="", stream=True, **kwargs):
+
+    def ask(self, question="", stream=False, **kwargs):
+        """
+        Ask a question to the session. If stream=True, yields Message objects as they arrive (SSE streaming).
+        If stream=False, returns a single Message object for the final answer.
+        """
         if self.__session_type == "agent":
             res = self._ask_agent(question, stream)
         elif self.__session_type == "chat":
             res = self._ask_chat(question, stream, **kwargs)
+        else:
+            raise Exception(f"Unknown session type: {self.__session_type}")
 
         if stream:
-            for line in res.iter_lines():
-                line = line.decode("utf-8")
-                if line.startswith("{"):
-                    json_data = json.loads(line)
-                    raise Exception(json_data["message"])
-                if not line.startswith("data:"):
-                    continue
-                json_data = json.loads(line[5:])
-                if json_data["data"] is True or json_data["data"].get("running_status"):
-                    continue
-                message = self._structure_answer(json_data)
-                yield message
+            for line in res.iter_lines(decode_unicode=True):
+                if not line:
+                    continue  # Skip empty lines
+                line = line.strip()
+
+                if line.startswith("data:"):
+                    content = line[len("data:"):].strip()
+                    if content == "[DONE]":
+                        break  # End of stream
+                else:
+                    content = line
+
+                try:
+                    json_data = json.loads(content)
+                except json.JSONDecodeError:
+                    continue  # Skip lines that are not valid JSON
+
+                event = json_data.get("event")
+                if event == "message":
+                    yield self._structure_answer(json_data)
+                elif event == "message_end":
+                    return  # End of message stream
         else:
             try:
-                json_data = json.loads(res.text)
+                json_data = res.json()
             except ValueError:
                 raise Exception(f"Invalid response {res}")
-            return self._structure_answer(json_data)
+            yield self._structure_answer(json_data["data"])
         
 
     def _structure_answer(self, json_data):
-        answer = json_data["data"]["answer"]
+        answer = json_data["data"]["content"]
         reference = json_data["data"].get("reference", {})
         temp_dict = {
             "content": answer,