Files
hermes-agent/tools/tool_backend_helpers.py

56 lines
1.7 KiB
Python

"""Shared helpers for tool backend selection."""
from __future__ import annotations
import os
from pathlib import Path
from utils import env_var_enabled
_DEFAULT_BROWSER_PROVIDER = "local"
_DEFAULT_MODAL_MODE = "auto"
_VALID_MODAL_MODES = {"auto", "direct", "managed"}
def managed_nous_tools_enabled() -> bool:
"""Return True when the hidden Nous-managed tools feature flag is enabled."""
return env_var_enabled("HERMES_ENABLE_NOUS_MANAGED_TOOLS")
def normalize_browser_cloud_provider(value: object | None) -> str:
"""Return a normalized browser provider key."""
provider = str(value or _DEFAULT_BROWSER_PROVIDER).strip().lower()
return provider or _DEFAULT_BROWSER_PROVIDER
def coerce_modal_mode(value: object | None) -> str:
"""Return the requested modal mode when valid, else the default."""
mode = str(value or _DEFAULT_MODAL_MODE).strip().lower()
if mode in _VALID_MODAL_MODES:
return mode
return _DEFAULT_MODAL_MODE
def normalize_modal_mode(value: object | None) -> str:
"""Return a normalized modal execution mode."""
mode = coerce_modal_mode(value)
if mode == "managed" and not managed_nous_tools_enabled():
return "direct"
return mode
def has_direct_modal_credentials() -> bool:
"""Return True when direct Modal credentials/config are available."""
return bool(
(os.getenv("MODAL_TOKEN_ID") and os.getenv("MODAL_TOKEN_SECRET"))
or (Path.home() / ".modal.toml").exists()
)
def resolve_openai_audio_api_key() -> str:
"""Prefer the voice-tools key, but fall back to the normal OpenAI key."""
return (
os.getenv("VOICE_TOOLS_OPENAI_KEY", "")
or os.getenv("OPENAI_API_KEY", "")
).strip()