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PhilVerify — Application Settings
Loaded via pydantic-settings from environment variables / .env file.
"""
from functools import lru_cache
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
model_config = SettingsConfigDict(
env_file=".env",
env_file_encoding="utf-8",
case_sensitive=False,
extra="ignore",
)
# ── API Keys ──────────────────────────────────────────────────────────────
news_api_key: str = ""
google_vision_api_key: str = ""
# ── Facebook Scraper Cookies ──────────────────────────────────────────────
# Paste the value of the `c_user` and `xs` cookies from a logged-in
# Facebook session (browser DevTools → Application → Cookies → facebook.com).
# These unlock private/friends-only posts and reduce rate-limiting.
# Leave empty to scrape public posts only.
facebook_c_user: str = ""
facebook_xs: str = ""
@property
def facebook_cookies(self) -> dict | None:
"""Return cookie dict for facebook-scraper, or None if not configured."""
if self.facebook_c_user and self.facebook_xs:
return {"c_user": self.facebook_c_user, "xs": self.facebook_xs}
return None
# ── Database ──────────────────────────────────────────────────────────────
database_url: str = "sqlite+aiosqlite:///./philverify_dev.db" # Dev fallback
# ── Redis ─────────────────────────────────────────────────────────────────
redis_url: str = "" # Empty = disable caching
# ── App ───────────────────────────────────────────────────────────────────
app_env: str = "development"
debug: bool = True
log_level: str = "INFO"
allowed_origins: str = "http://localhost:3000,http://localhost:5173"
@property
def allowed_origins_list(self) -> list[str]:
return [o.strip() for o in self.allowed_origins.split(",") if o.strip()]
# ── ML Models ─────────────────────────────────────────────────────────────
ml_model_name: str = "xlm-roberta-base"
whisper_model_size: str = "base"
use_gpu: bool = False
# ── Scoring Weights ───────────────────────────────────────────────────────
ml_weight: float = 0.40
evidence_weight: float = 0.60
credible_threshold: float = 70.0
fake_threshold: float = 40.0
@property
def is_production(self) -> bool:
return self.app_env == "production"
@lru_cache
def get_settings() -> Settings:
"""Return a cached singleton Settings instance."""
return Settings()
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