First product

app/settings.py

@@ -0,0 +1,84 @@
+from dataclasses import dataclass
+import os
+
+
+def _env_bool(name: str, default: bool) -> bool:
+    value = os.getenv(name)
+    if value is None:
+        return default
+    return value.strip().lower() in {"1", "true", "yes", "on"}
+
+
+def _env_int(name: str, default: int) -> int:
+    value = os.getenv(name)
+    if value is None:
+        return default
+    return int(value)
+
+
+def _env_float(name: str, default: float) -> float:
+    value = os.getenv(name)
+    if value is None:
+        return default
+    return float(value)
+
+
+def _env_str(name: str, default: str) -> str:
+    value = os.getenv(name)
+    if value is None:
+        return default
+    return value.strip() or default
+
+
+@dataclass(frozen=True)
+class Settings:
+    app_name: str = os.getenv("APP_NAME", "scholarr")
+    database_url: str = os.getenv(
+        "DATABASE_URL",
+        "postgresql+asyncpg://scholar:scholar@db:5432/scholar",
+    )
+    session_secret_key: str = os.getenv("SESSION_SECRET_KEY", "dev-insecure-session-key")
+    session_cookie_secure: bool = _env_bool("SESSION_COOKIE_SECURE", False)
+    login_rate_limit_attempts: int = _env_int("LOGIN_RATE_LIMIT_ATTEMPTS", 5)
+    login_rate_limit_window_seconds: int = _env_int(
+        "LOGIN_RATE_LIMIT_WINDOW_SECONDS",
+        60,
+    )
+    log_level: str = _env_str("LOG_LEVEL", "INFO")
+    log_format: str = _env_str("LOG_FORMAT", "console")
+    log_requests: bool = _env_bool("LOG_REQUESTS", True)
+    log_uvicorn_access: bool = _env_bool("LOG_UVICORN_ACCESS", False)
+    log_request_skip_paths: str = _env_str("LOG_REQUEST_SKIP_PATHS", "/healthz,/static/")
+    log_redact_fields: str = os.getenv("LOG_REDACT_FIELDS", "")
+    scheduler_enabled: bool = _env_bool("SCHEDULER_ENABLED", True)
+    scheduler_tick_seconds: int = _env_int("SCHEDULER_TICK_SECONDS", 60)
+    ingestion_network_error_retries: int = _env_int("INGESTION_NETWORK_ERROR_RETRIES", 1)
+    ingestion_retry_backoff_seconds: float = _env_float(
+        "INGESTION_RETRY_BACKOFF_SECONDS",
+        1.0,
+    )
+    ingestion_max_pages_per_scholar: int = _env_int(
+        "INGESTION_MAX_PAGES_PER_SCHOLAR",
+        30,
+    )
+    ingestion_page_size: int = _env_int("INGESTION_PAGE_SIZE", 100)
+    ingestion_continuation_queue_enabled: bool = _env_bool(
+        "INGESTION_CONTINUATION_QUEUE_ENABLED",
+        True,
+    )
+    ingestion_continuation_base_delay_seconds: int = _env_int(
+        "INGESTION_CONTINUATION_BASE_DELAY_SECONDS",
+        120,
+    )
+    ingestion_continuation_max_delay_seconds: int = _env_int(
+        "INGESTION_CONTINUATION_MAX_DELAY_SECONDS",
+        3600,
+    )
+    ingestion_continuation_max_attempts: int = _env_int(
+        "INGESTION_CONTINUATION_MAX_ATTEMPTS",
+        6,
+    )
+    scheduler_queue_batch_size: int = _env_int("SCHEDULER_QUEUE_BATCH_SIZE", 10)
+
+
+settings = Settings()