| import json | |
| from serena.tools import Tool | |
| class WriteMemoryTool(Tool): | |
| """ | |
| Writes a named memory (for future reference) to Serena's project-specific memory store. | |
| """ | |
| def apply(self, memory_name: str, content: str, max_answer_chars: int = -1) -> str: | |
| """ | |
| Write some information about this project that can be useful for future tasks to a memory in md format. | |
| The memory name should be meaningful. | |
| """ | |
| if max_answer_chars == -1: | |
| max_answer_chars = self.agent.serena_config.default_max_tool_answer_chars | |
| if len(content) > max_answer_chars: | |
| raise ValueError( | |
| f"Content for {memory_name} is too long. Max length is {max_answer_chars} characters. " + "Please make the content shorter." | |
| ) | |
| return self.memories_manager.save_memory(memory_name, content) | |
| class ReadMemoryTool(Tool): | |
| """ | |
| Reads the memory with the given name from Serena's project-specific memory store. | |
| """ | |
| def apply(self, memory_file_name: str, max_answer_chars: int = -1) -> str: | |
| """ | |
| Read the content of a memory file. This tool should only be used if the information | |
| is relevant to the current task. You can infer whether the information | |
| is relevant from the memory file name. | |
| You should not read the same memory file multiple times in the same conversation. | |
| """ | |
| return self.memories_manager.load_memory(memory_file_name) | |
| class ListMemoriesTool(Tool): | |
| """ | |
| Lists memories in Serena's project-specific memory store. | |
| """ | |
| def apply(self) -> str: | |
| """ | |
| List available memories. Any memory can be read using the `read_memory` tool. | |
| """ | |
| return json.dumps(self.memories_manager.list_memories()) | |
| class DeleteMemoryTool(Tool): | |
| """ | |
| Deletes a memory from Serena's project-specific memory store. | |
| """ | |
| def apply(self, memory_file_name: str) -> str: | |
| """ | |
| Delete a memory file. Should only happen if a user asks for it explicitly, | |
| for example by saying that the information retrieved from a memory file is no longer correct | |
| or no longer relevant for the project. | |
| """ | |
| return self.memories_manager.delete_memory(memory_file_name) | |