File size: 2,070 Bytes
e92d49a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | from __future__ import annotations
import os
from pathlib import Path
from typing import Optional
from dotenv import load_dotenv
load_dotenv()
ROOT_DIR = Path(__file__).resolve().parents[1]
def _resolve_path(value: Optional[str], default: Path) -> Path:
if value:
return Path(value).expanduser().resolve()
return default.resolve()
def _get_int(name: str, default: int) -> int:
value = os.getenv(name)
if value is None:
return default
try:
return int(value)
except ValueError:
return default
def _get_float(name: str, default: float) -> float:
value = os.getenv(name)
if value is None:
return default
try:
return float(value)
except ValueError:
return default
class Settings:
def __init__(self) -> None:
self.faq_data_path: Path = _resolve_path(
os.getenv("FAQ_DATA_PATH"), ROOT_DIR / "faq_kb.json"
)
self.vectorstore_dir: Path = _resolve_path(
os.getenv("VECTORSTORE_DIR"), ROOT_DIR / "vectorstore"
)
self.vectorstore_index_name: str = os.getenv("VECTORSTORE_INDEX_NAME", "index")
self.top_k: int = _get_int("TOP_K", 5)
self.google_genai_model: str = os.getenv(
"GOOGLE_GENAI_MODEL", "gemini-2.5-flash"
)
self.google_genai_temperature: float = _get_float(
"GOOGLE_GENAI_TEMPERATURE", 0.0
)
self.google_genai_api_key: Optional[str] = os.getenv("GOOGLE_GENAI_API_KEY")
self.hf_token: Optional[str] = os.getenv("HF_TOKEN")
self._validate()
self.vectorstore_dir.mkdir(parents=True, exist_ok=True)
if self.hf_token:
os.environ.setdefault("HUGGINGFACEHUB_API_TOKEN", self.hf_token)
def _validate(self) -> None:
if not self.faq_data_path.exists():
raise FileNotFoundError(
f"FAQ file not found: {self.faq_data_path}. "
"Please put faq_kb.json in the repo root or set FAQ_DATA_PATH in .env."
)
settings = Settings()
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