feat: add code for internet api and change deault config for memos

src/memos/api/config.py

@@ -115,6 +115,48 @@ def get_embedder_config() -> dict[str, Any]:
                 },
             }
 
+    @staticmethod
+    def get_internet_config() -> dict[str, Any]:
+        """Get embedder configuration."""
+        return {
+            "backend": "xinyu",
+            "config": {
+                "api_key": os.getenv("XINYU_API_KEY"),
+                "search_engine_id": os.getenv("XINYU_SEARCH_ENGINE_ID"),
+                "max_results": 15,
+                "num_per_request": 10,
+                "reader": {
+                    "backend": "simple_struct",
+                    "config": {
+                        "llm": {
+                            "backend": "openai",
+                            "config": {
+                                "model_name_or_path": os.getenv("MEMRADER_MODEL"),
+                                "temperature": 0.6,
+                                "max_tokens": 5000,
+                                "top_p": 0.95,
+                                "top_k": 20,
+                                "api_key": "EMPTY",
+                                "api_base": os.getenv("MEMRADER_API_BASE"),
+                                "remove_think_prefix": True,
+                                "extra_body": {"chat_template_kwargs": {"enable_thinking": False}},
+                            },
+                        },
+                        "embedder": APIConfig.get_embedder_config(),
+                        "chunker": {
+                            "backend": "sentence",
+                            "config": {
+                                "tokenizer_or_token_counter": "gpt2",
+                                "chunk_size": 512,
+                                "chunk_overlap": 128,
+                                "min_sentences_per_chunk": 1,
+                            },
+                        },
+                    },
+                },
+            },
+        }
+
     @staticmethod
     def get_neo4j_community_config(user_id: str | None = None) -> dict[str, Any]:
         """Get Neo4j community configuration."""
@@ -340,7 +382,6 @@ def create_user_config(user_name: str, user_id: str) -> tuple[MOSConfig, General
             "top_k": 30,
             "max_turns_window": 20,
         }
-
         # Add scheduler configuration if enabled
         if APIConfig.is_scheduler_enabled():
             config_dict["mem_scheduler"] = APIConfig.get_scheduler_config()
@@ -352,14 +393,19 @@ def create_user_config(user_name: str, user_id: str) -> tuple[MOSConfig, General
 
         neo4j_community_config = APIConfig.get_neo4j_community_config(user_id)
         neo4j_config = APIConfig.get_neo4j_config(user_id)
-
+        internet_config = (
+            APIConfig.get_internet_config()
+            if os.getenv("ENABLE_INTERNET", "false").lower() == "true"
+            else None
+        )
         graph_db_backend_map = {
             "neo4j-community": neo4j_community_config,
             "neo4j": neo4j_config,
         }
         graph_db_backend = os.getenv("NEO4J_BACKEND", "neo4j-community").lower()
         if graph_db_backend in graph_db_backend_map:
             # Create MemCube config
+
             default_cube_config = GeneralMemCubeConfig.model_validate(
                 {
                     "user_id": user_id,
@@ -374,6 +420,7 @@ def create_user_config(user_name: str, user_id: str) -> tuple[MOSConfig, General
                                 "config": graph_db_backend_map[graph_db_backend],
                             },
                             "embedder": APIConfig.get_embedder_config(),
+                            "internet_retriever": internet_config,
                         },
                     },
                     "act_mem": {}
@@ -384,7 +431,10 @@ def create_user_config(user_name: str, user_id: str) -> tuple[MOSConfig, General
             )
         else:
             raise ValueError(f"Invalid Neo4j backend: {graph_db_backend}")
-
+        if os.getenv("ENABLE_INTERNET", "false").lower() == "true":
+            default_cube_config.text_mem.config["internet_retriever"] = (
+                APIConfig.get_internet_config()
+            )
         default_mem_cube = GeneralMemCube(default_cube_config)
         return default_config, default_mem_cube
 
@@ -405,6 +455,11 @@ def get_default_cube_config() -> GeneralMemCubeConfig | None:
             "neo4j-community": neo4j_community_config,
             "neo4j": neo4j_config,
         }
+        internet_config = (
+            APIConfig.get_internet_config()
+            if os.getenv("ENABLE_INTERNET", "false").lower() == "true"
+            else None
+        )
         graph_db_backend = os.getenv("NEO4J_BACKEND", "neo4j-community").lower()
         if graph_db_backend in graph_db_backend_map:
             return GeneralMemCubeConfig.model_validate(
@@ -423,6 +478,7 @@ def get_default_cube_config() -> GeneralMemCubeConfig | None:
                             "embedder": APIConfig.get_embedder_config(),
                             "reorganize": os.getenv("MOS_ENABLE_REORGANIZE", "false").lower()
                             == "true",
+                            "internet_retriever": internet_config,
                         },
                     },
                     "act_mem": {}

src/memos/api/product_models.py

@@ -83,6 +83,7 @@ class ChatRequest(BaseRequest):
     query: str = Field(..., description="Chat query message")
     mem_cube_id: str | None = Field(None, description="Cube ID to use for chat")
     history: list[MessageDict] | None = Field(None, description="Chat history")
+    internet_search: bool = Field(True, description="Whether to use internet search")
 
 
 class UserCreate(BaseRequest):

src/memos/api/routers/product_router.py

@@ -234,6 +234,7 @@ async def generate_chat_response():
                     user_id=chat_req.user_id,
                     cube_id=chat_req.mem_cube_id,
                     history=chat_req.history,
+                    internet_search=chat_req.internet_search,
                 ):
                     yield chunk
                     await asyncio.sleep(0.00001)  # 50ms delay between chunks

src/memos/configs/mem_reader.py

@@ -15,6 +15,15 @@ class BaseMemReaderConfig(BaseConfig):
     created_at: datetime = Field(
         default_factory=datetime.now, description="Creation timestamp for the MemReader"
     )
+
+    @field_validator("created_at", mode="before")
+    @classmethod
+    def parse_datetime(cls, value):
+        """Parse datetime from string if needed."""
+        if isinstance(value, str):
+            return datetime.fromisoformat(value.replace("Z", "+00:00"))
+        return value
+
     llm: LLMConfigFactory = Field(..., description="LLM configuration for the MemReader")
     embedder: EmbedderConfigFactory = Field(
         ..., description="Embedder configuration for the MemReader"

src/memos/log.py

@@ -48,7 +48,7 @@ def _setup_logfile() -> Path:
             "class": "logging.handlers.RotatingFileHandler",
             "filename": _setup_logfile(),
             "maxBytes": 1024**2 * 10,
-            "backupCount": 3,
+            "backupCount": 10,
             "formatter": "standard",
         },
     },

src/memos/mem_cube/utils.py

@@ -71,10 +71,6 @@ def merge_config_with_default(
 
             # Define graph_db fields to preserve (user-specific)
             preserve_graph_fields = {
-                "uri",
-                "user",
-                "password",
-                "db_name",
                 "auto_create",
                 "user_name",
                 "use_multi_db",

src/memos/mem_os/core.py

@@ -530,6 +530,8 @@ def search(
         user_id: str | None = None,
         install_cube_ids: list[str] | None = None,
         top_k: int | None = None,
+        mode: Literal["fast", "fine"] = "fast",
+        internet_search: bool = False,
     ) -> MOSSearchResult:
         """
         Search for textual memories across all registered MemCubes.
@@ -567,7 +569,11 @@ def search(
                 and self.config.enable_textual_memory
             ):
                 memories = mem_cube.text_mem.search(
-                    query, top_k=top_k if top_k else self.config.top_k
+                    query,
+                    top_k=top_k if top_k else self.config.top_k,
+                    mode=mode,
+                    manual_close_internet=not internet_search,
+                    info={"user_id": target_user_id, "session_id": str(uuid.uuid4())},
                 )
                 result["text_mem"].append({"cube_id": mem_cube_id, "memories": memories})
                 logger.info(

src/memos/mem_os/product.py

@@ -363,7 +363,7 @@ def _build_system_prompt(self, user_id: str, memories_all: list[TextualMemoryIte
             for i, memory in enumerate(memories_all, 1):
                 # Format: [memory_id]: memory_content
                 memory_id = f"{memory.id.split('-')[0]}" if hasattr(memory, "id") else f"mem_{i}"
-                memory_content = memory.memory if hasattr(memory, "memory") else str(memory)
+                memory_content = memory.memory[:500] if hasattr(memory, "memory") else str(memory)
                 memory_context += f"{memory_id}: {memory_content}\n"
             return base_prompt + memory_context
 
@@ -694,7 +694,7 @@ def get_suggestion_query(self, user_id: str, language: str = "zh") -> list[str]:
             "text_mem"
         ]
         if text_mem_result:
-            memories = "\n".join([m.memory for m in text_mem_result[0]["memories"]])
+            memories = "\n".join([m.memory[:200] for m in text_mem_result[0]["memories"]])
         else:
             memories = ""
         message_list = [{"role": "system", "content": suggestion_prompt.format(memories=memories)}]
@@ -710,6 +710,7 @@ def chat_with_references(
         cube_id: str | None = None,
         history: MessageList | None = None,
         top_k: int = 10,
+        internet_search: bool = False,
     ) -> Generator[str, None, None]:
         """
         Chat with LLM with memory references and streaming output.
@@ -729,7 +730,12 @@ def chat_with_references(
         memories_list = []
         yield f"data: {json.dumps({'type': 'status', 'data': '0'})}\n\n"
         memories_result = super().search(
-            query, user_id, install_cube_ids=[cube_id] if cube_id else None, top_k=top_k
+            query,
+            user_id,
+            install_cube_ids=[cube_id] if cube_id else None,
+            top_k=top_k,
+            mode="fine",
+            internet_search=internet_search,
         )["text_mem"]
         yield f"data: {json.dumps({'type': 'status', 'data': '1'})}\n\n"
         self._send_message_to_scheduler(
@@ -829,6 +835,7 @@ def chat_with_references(
             memories_json["metadata"]["embedding"] = []
             memories_json["metadata"]["sources"] = []
             memories_json["metadata"]["memory"] = memories.memory
+            memories_json["metadata"]["id"] = memories.id
             reference.append({"metadata": memories_json["metadata"]})
 
         yield f"data: {json.dumps({'type': 'reference', 'data': reference})}\n\n"
@@ -1008,13 +1015,18 @@ def get_subgraph(
         return reformat_memory_list
 
     def search(
-        self, query: str, user_id: str, install_cube_ids: list[str] | None = None, top_k: int = 10
+        self,
+        query: str,
+        user_id: str,
+        install_cube_ids: list[str] | None = None,
+        top_k: int = 10,
+        mode: Literal["fast", "fine"] = "fast",
     ):
         """Search memories for a specific user."""
 
         # Load user cubes if not already loaded
         self._load_user_cubes(user_id, self.default_cube_config)
-        search_result = super().search(query, user_id, install_cube_ids, top_k)
+        search_result = super().search(query, user_id, install_cube_ids, top_k, mode=mode)
         text_memory_list = search_result["text_mem"]
         reformat_memory_list = []
         for memory in text_memory_list:

src/memos/memories/textual/tree.py

@@ -117,13 +117,19 @@ def search(
             logger.warning(
                 "Internet retriever is init by config , but  this search set manual_close_internet is True  and will close it"
             )
-            self.internet_retriever = None
-        searcher = Searcher(
-            self.dispatcher_llm,
-            self.graph_store,
-            self.embedder,
-            internet_retriever=self.internet_retriever,
-        )
+            searcher = Searcher(
+                self.dispatcher_llm,
+                self.graph_store,
+                self.embedder,
+                internet_retriever=None,
+            )
+        else:
+            searcher = Searcher(
+                self.dispatcher_llm,
+                self.graph_store,
+                self.embedder,
+                internet_retriever=self.internet_retriever,
+            )
         return searcher.search(query, top_k, info, mode, memory_type)
 
     def get_relevant_subgraph(

src/memos/memories/textual/tree_text_memory/organize/reorganizer.py

@@ -125,8 +125,8 @@ def _run_structure_organizer_loop(self):
         """
         import schedule
 
-        schedule.every(20).seconds.do(self.optimize_structure, scope="LongTermMemory")
-        schedule.every(20).seconds.do(self.optimize_structure, scope="UserMemory")
+        schedule.every(600).seconds.do(self.optimize_structure, scope="LongTermMemory")
+        schedule.every(600).seconds.do(self.optimize_structure, scope="UserMemory")
 
         logger.info("Structure optimizer schedule started.")
         while not getattr(self, "_stop_scheduler", False):

src/memos/memories/textual/tree_text_memory/retrieve/searcher.py

@@ -149,7 +149,7 @@ def retrieve_from_internet():
                 query=query,
                 query_embedding=query_embedding[0],
                 graph_results=internet_items,
-                top_k=max(top_k, 10),
+                top_k=min(top_k, 5),
                 parsed_goal=parsed_goal,
             )
             return ranked_memories

src/memos/settings.py

@@ -1,7 +1,9 @@
+import os
+
 from pathlib import Path
 
 
-MEMOS_DIR = Path.cwd() / ".memos"
+MEMOS_DIR = Path(os.getenv("MEMOS_BASE_PATH", Path.cwd())) / ".memos"
 DEBUG = False
 
 # "memos" or "memos.submodules" ... to filter logs from specific packages

tests/mem_os/test_memos_core.py

@@ -326,7 +326,16 @@ def test_search_memories(
         assert "para_mem" in result
         assert len(result["text_mem"]) == 1
         assert result["text_mem"][0]["cube_id"] == "test_cube_1"
-        mock_mem_cube.text_mem.search.assert_called_once_with("football", top_k=5)
+        # Verify the search was called with the correct parameters
+        mock_mem_cube.text_mem.search.assert_called_once()
+        call_args = mock_mem_cube.text_mem.search.call_args
+        assert call_args[0] == ("football",)  # positional args
+        assert call_args[1]["top_k"] == 5
+        assert call_args[1]["mode"] == "fast"
+        assert call_args[1]["manual_close_internet"]
+        assert "info" in call_args[1]
+        assert call_args[1]["info"]["user_id"] == "test_user"
+        assert "session_id" in call_args[1]["info"]
 
     @patch("memos.mem_os.core.UserManager")
     @patch("memos.mem_os.core.MemReaderFactory")