Files
t6_mem0/mem0/client/main.py
2024-09-18 14:14:21 -07:00

342 lines
11 KiB
Python

import logging
import os
import warnings
from functools import wraps
from typing import Any, Dict, List, Optional, Union
import httpx
from mem0.memory.setup import get_user_id, setup_config
from mem0.memory.telemetry import capture_client_event
logger = logging.getLogger(__name__)
warnings.filterwarnings(
"always",
category=DeprecationWarning,
message="The 'session_id' parameter is deprecated. User 'run_id' instead.",
)
# Setup user config
setup_config()
class APIError(Exception):
"""Exception raised for errors in the API."""
pass
def api_error_handler(func):
"""Decorator to handle API errors consistently."""
@wraps(func)
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except httpx.HTTPStatusError as e:
logger.error(f"HTTP error occurred: {e}")
raise APIError(f"API request failed: {e.response.text}")
except httpx.RequestError as e:
logger.error(f"Request error occurred: {e}")
raise APIError(f"Request failed: {str(e)}")
return wrapper
class MemoryClient:
"""Client for interacting with the Mem0 API.
This class provides methods to create, retrieve, search, and delete memories
using the Mem0 API.
Attributes:
api_key (str): The API key for authenticating with the Mem0 API.
host (str): The base URL for the Mem0 API.
client (httpx.Client): The HTTP client used for making API requests.
"""
def __init__(self, api_key: Optional[str] = None, host: Optional[str] = None):
"""Initialize the MemoryClient.
Args:
api_key: The API key for authenticating with the Mem0 API. If not provided,
it will attempt to use the MEM0_API_KEY environment variable.
host: The base URL for the Mem0 API. Defaults to "https://api.mem0.ai".
Raises:
ValueError: If no API key is provided or found in the environment.
"""
self.api_key = api_key or os.getenv("MEM0_API_KEY")
self.host = host or "https://api.mem0.ai"
self.user_id = get_user_id()
if not self.api_key:
raise ValueError("API Key not provided. Please provide an API Key.")
self.client = httpx.Client(
base_url=self.host,
headers={"Authorization": f"Token {self.api_key}", "Mem0-User-ID": self.user_id},
timeout=60,
)
self._validate_api_key()
capture_client_event("client.init", self)
def _validate_api_key(self):
"""Validate the API key by making a test request."""
try:
response = self.client.get("/v1/memories/", params={"user_id": "test"})
response.raise_for_status()
except httpx.HTTPStatusError:
raise ValueError("Invalid API Key. Please get a valid API Key from https://app.mem0.ai")
@api_error_handler
def add(self, messages: Union[str, List[Dict[str, str]]], **kwargs) -> Dict[str, Any]:
"""Add a new memory.
Args:
messages: Either a string message or a list of message dictionaries.
**kwargs: Additional parameters such as user_id, agent_id, app_id, metadata, filters.
Returns:
A dictionary containing the API response.
Raises:
APIError: If the API request fails.
"""
payload = self._prepare_payload(messages, kwargs)
response = self.client.post("/v1/memories/", json=payload)
response.raise_for_status()
capture_client_event("client.add", self)
return response.json()
@api_error_handler
def get(self, memory_id: str) -> Dict[str, Any]:
"""Retrieve a specific memory by ID.
Args:
memory_id: The ID of the memory to retrieve.
Returns:
A dictionary containing the memory data.
Raises:
APIError: If the API request fails.
"""
response = self.client.get(f"/v1/memories/{memory_id}/")
response.raise_for_status()
capture_client_event("client.get", self)
return response.json()
@api_error_handler
def get_all(self, **kwargs) -> Dict[str, Any]:
"""Retrieve all memories, with optional filtering.
Args:
**kwargs: Optional parameters for filtering (user_id, agent_id, app_id, limit).
Returns:
A dictionary containing the list of memories.
Raises:
APIError: If the API request fails.
"""
params = self._prepare_params(kwargs)
response = self.client.get("/v1/memories/", params=params)
response.raise_for_status()
capture_client_event(
"client.get_all",
self,
{"filters": len(params), "limit": kwargs.get("limit", 100)},
)
return response.json()
@api_error_handler
def search(self, query: str, version: str = "v1", **kwargs) -> Dict[str, Any]:
"""Search memories based on a query.
Args:
query: The search query string.
version: The API version to use for the search endpoint.
**kwargs: Additional parameters such as user_id, agent_id, app_id, limit, filters.
Returns:
A dictionary containing the search results.
Raises:
APIError: If the API request fails.
"""
payload = {"query": query}
payload.update({k: v for k, v in kwargs.items() if v is not None})
response = self.client.post(f"/{version}/memories/search/", json=payload)
response.raise_for_status()
capture_client_event("client.search", self, {"limit": kwargs.get("limit", 100)})
return response.json()
@api_error_handler
def update(self, memory_id: str, data: str) -> Dict[str, Any]:
"""
Update a memory by ID.
Args:
memory_id (str): Memory ID.
data (str): Data to update in the memory.
Returns:
Dict[str, Any]: The response from the server.
"""
capture_client_event("client.update", self)
response = self.client.put(f"/v1/memories/{memory_id}/", json={"text": data})
return response.json()
@api_error_handler
def delete(self, memory_id: str) -> Dict[str, Any]:
"""Delete a specific memory by ID.
Args:
memory_id: The ID of the memory to delete.
Returns:
A dictionary containing the API response.
Raises:
APIError: If the API request fails.
"""
response = self.client.delete(f"/v1/memories/{memory_id}/")
response.raise_for_status()
capture_client_event("client.delete", self)
return response.json()
@api_error_handler
def delete_all(self, **kwargs) -> Dict[str, Any]:
"""Delete all memories, with optional filtering.
Args:
**kwargs: Optional parameters for filtering (user_id, agent_id, app_id).
Returns:
A dictionary containing the API response.
Raises:
APIError: If the API request fails.
"""
params = self._prepare_params(kwargs)
response = self.client.delete("/v1/memories/", params=params)
response.raise_for_status()
capture_client_event("client.delete_all", self, {"params": len(params)})
return response.json()
@api_error_handler
def history(self, memory_id: str) -> Dict[str, Any]:
"""Retrieve the history of a specific memory.
Args:
memory_id: The ID of the memory to retrieve history for.
Returns:
A dictionary containing the memory history.
Raises:
APIError: If the API request fails.
"""
response = self.client.get(f"/v1/memories/{memory_id}/history/")
response.raise_for_status()
capture_client_event("client.history", self)
return response.json()
@api_error_handler
def users(self):
"""Get all users, agents, and sessions for which memories exist."""
response = self.client.get("/v1/entities/")
response.raise_for_status()
capture_client_event("client.users", self)
return response.json()
@api_error_handler
def delete_users(self) -> Dict[str, str]:
"""Delete all users, agents, or sessions."""
entities = self.users()
for entity in entities["results"]:
response = self.client.delete(f"/v1/entities/{entity['type']}/{entity['id']}/")
response.raise_for_status()
capture_client_event("client.delete_users", self)
return {"message": "All users, agents, and sessions deleted."}
@api_error_handler
def reset(self) -> Dict[str, str]:
"""Reset the client by deleting all users and memories.
This method deletes all users, agents, sessions, and memories associated with the client.
Returns:
Dict[str, str]: Message client reset successful.
Raises:
APIError: If the API request fails.
"""
# Delete all users, agents, and sessions
# This will also delete the memories
self.delete_users()
capture_client_event("client.reset", self)
return {"message": "Client reset successful. All users and memories deleted."}
def chat(self):
"""Start a chat with the Mem0 AI. (Not implemented)
Raises:
NotImplementedError: This method is not implemented yet.
"""
raise NotImplementedError("Chat is not implemented yet")
def _prepare_payload(
self, messages: Union[str, List[Dict[str, str]], None], kwargs: Dict[str, Any]
) -> Dict[str, Any]:
"""Prepare the payload for API requests.
Args:
messages: The messages to include in the payload.
kwargs: Additional keyword arguments to include in the payload.
Returns:
A dictionary containing the prepared payload.
"""
payload = {}
if isinstance(messages, str):
payload["messages"] = [{"role": "user", "content": messages}]
elif isinstance(messages, list):
payload["messages"] = messages
# Handle session_id deprecation
if "session_id" in kwargs:
warnings.warn(
"The 'session_id' parameter is deprecated and will be removed in version 0.1.20. "
"Use 'run_id' instead.",
DeprecationWarning,
stacklevel=2,
)
kwargs["run_id"] = kwargs.pop("session_id")
payload.update({k: v for k, v in kwargs.items() if v is not None})
return payload
def _prepare_params(self, kwargs: Dict[str, Any]) -> Dict[str, Any]:
"""Prepare query parameters for API requests.
Args:
kwargs: Keyword arguments to include in the parameters.
Returns:
A dictionary containing the prepared parameters.
"""
# Handle session_id deprecation
if "session_id" in kwargs:
warnings.warn(
"The 'session_id' parameter is deprecated and will be removed in version 0.1.20. "
"Use 'run_id' instead.",
DeprecationWarning,
stacklevel=2,
)
kwargs["run_id"] = kwargs.pop("session_id")
return {k: v for k, v in kwargs.items() if v is not None}