Files
t6_mem0/mem0/graphs/configs.py
2025-05-07 10:54:18 -07:00

59 lines
2.4 KiB
Python

from typing import Optional
from pydantic import BaseModel, Field, field_validator, model_validator
from mem0.llms.configs import LlmConfig
class Neo4jConfig(BaseModel):
url: Optional[str] = Field(None, description="Host address for the graph database")
username: Optional[str] = Field(None, description="Username for the graph database")
password: Optional[str] = Field(None, description="Password for the graph database")
database: Optional[str] = Field(None, description="Database for the graph database")
@model_validator(mode="before")
def check_host_port_or_path(cls, values):
url, username, password = (
values.get("url"),
values.get("username"),
values.get("password"),
)
if not url or not username or not password:
raise ValueError("Please provide 'url', 'username' and 'password'.")
return values
class MemgraphConfig(BaseModel):
url: Optional[str] = Field(None, description="Host address for the graph database")
username: Optional[str] = Field(None, description="Username for the graph database")
password: Optional[str] = Field(None, description="Password for the graph database")
@model_validator(mode="before")
def check_host_port_or_path(cls, values):
url, username, password = (
values.get("url"),
values.get("username"),
values.get("password"),
)
if not url or not username or not password:
raise ValueError("Please provide 'url', 'username' and 'password'.")
return values
class GraphStoreConfig(BaseModel):
provider: str = Field(description="Provider of the data store (e.g., 'neo4j')", default="neo4j")
config: Neo4jConfig = Field(description="Configuration for the specific data store", default=None)
llm: Optional[LlmConfig] = Field(description="LLM configuration for querying the graph store", default=None)
custom_prompt: Optional[str] = Field(
description="Custom prompt to fetch entities from the given text", default=None
)
@field_validator("config")
def validate_config(cls, v, values):
provider = values.data.get("provider")
if provider == "neo4j":
return Neo4jConfig(**v.model_dump())
elif provider == "memgraph":
return MemgraphConfig(**v.model_dump())
else:
raise ValueError(f"Unsupported graph store provider: {provider}")