services/configuration.py

"""Define the configurable parameters for the agent."""

from __future__ import annotations

import os
from dataclasses import dataclass, fields
from typing import Optional

from langchain_core.runnables import RunnableConfig


@dataclass(kw_only=True)
class Configuration:
    """The configuration for the agent."""

    # API configuration
    api_base: Optional[str] = "http://localhost:11434"
    api_key: Optional[str] = os.getenv("MODEL_API_KEY")
    model_id: Optional[str] = (
        f"ollama/{os.getenv('OLLAMA_MODEL', 'qwen2.5-coder:0.5b')}"
    )

    # Agent configuration
    my_configurable_param: str = "changeme"

    @classmethod
    def from_runnable_config(
        cls, config: Optional[RunnableConfig] = None
    ) -> Configuration:
        """Create a Configuration instance from a RunnableConfig object."""
        configurable = (config.get("configurable") or {}) if config else {}
        _fields = {f.name for f in fields(cls) if f.init}
        return cls(**{k: v for k, v in configurable.items() if k in _fields})