mirror of
https://github.com/agentscope-ai/ReMe.git
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135 lines
4.7 KiB
Python
135 lines
4.7 KiB
Python
"""Add memory to vector store"""
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from loguru import logger
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from .base_memory_tool import BaseMemoryTool
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from .memory_handler import MemoryHandler
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from ...core.schema import ToolCall
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class AddMemory(BaseMemoryTool):
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"""Tool to add memories to vector store"""
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def __init__(
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self,
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enable_memory_target: bool = False,
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enable_when_to_use: bool = False,
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**kwargs,
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):
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super().__init__(**kwargs)
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self.enable_memory_target: bool = enable_memory_target
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self.enable_when_to_use: bool = enable_when_to_use
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def _build_memory_parameters(self) -> dict:
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"""Build the memory parameters schema based on enabled features."""
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properties = {
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"message_time": {
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"type": "string",
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"description": "message time, e.g. '2020-01-01 00:00:00'",
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},
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"memory_content": {
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"type": "string",
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"description": "content of the memory.",
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},
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}
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required = ["message_time", "memory_content"]
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if self.enable_when_to_use:
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properties["when_to_use"] = {
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"type": "string",
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"description": "description of when to use this memory.",
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}
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required.append("when_to_use")
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if self.enable_memory_target:
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properties["memory_target"] = {
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"type": "string",
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"description": "target memory type for this memory.",
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}
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required.append("memory_target")
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return {
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"type": "object",
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"properties": properties,
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"required": required,
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}
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def _build_tool_call(self) -> ToolCall:
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return ToolCall(
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**{
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"description": "add a memory to vector store for future retrieval.",
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"parameters": self._build_memory_parameters(),
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},
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)
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def _build_multiple_tool_call(self) -> ToolCall:
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return ToolCall(
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**{
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"description": "add multiple memories to vector store for future retrieval.",
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"parameters": {
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"type": "object",
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"properties": {
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"memories": {
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"type": "array",
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"description": "list of memories to store.",
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"items": self._build_memory_parameters(),
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},
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},
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"required": ["memories"],
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},
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},
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)
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async def execute(self):
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if self.enable_multiple:
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memories = self.context.get("memories", [])
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else:
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memories = [self.context]
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# Group memories by memory_target if enabled
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if self.enable_memory_target:
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memories_by_target = {}
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for mem in memories:
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target = mem["memory_target"]
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if target not in memories_by_target:
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memories_by_target[target] = []
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memories_by_target[target].append(mem)
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else:
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memories_by_target = {self.memory_target: memories}
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# Process each memory_target group
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all_memory_nodes = []
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for target, target_memories in memories_by_target.items():
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# Parse and prepare memory data
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memory_dicts = []
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for mem in target_memories:
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memory_content = mem.get("memory_content", "")
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message_time = mem.get("message_time", "")
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when_to_use = mem.get("when_to_use", "") if self.enable_when_to_use else ""
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metadata = {}
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try:
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metadata["time_int"] = int(message_time.split(" ")[0].replace("-", ""))
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except Exception:
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logger.warning(f"Invalid message time format: {message_time}")
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memory_dicts.append({
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"content": memory_content,
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"when_to_use": when_to_use,
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"message_time": message_time,
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"ref_memory_id": self.history_id,
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"author": self.author,
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"metadata": metadata,
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})
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if memory_dicts:
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handler = MemoryHandler(target, self.service_context)
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memory_nodes = await handler.add_batch(memory_dicts)
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all_memory_nodes.extend(memory_nodes)
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if not all_memory_nodes:
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return "No valid memories provided."
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self.memory_nodes.extend(all_memory_nodes)
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output = f"Successfully added {len(all_memory_nodes)} memories."
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logger.info(output)
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return output
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