inital v4

v4/server/app/config.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import os
+from pathlib import Path
+
+
+class Config:
+    host: str = os.getenv("NP4_HOST", "0.0.0.0")
+    port: int = int(os.getenv("NP4_PORT", "8080"))
+    api_token: str = os.getenv("NP4_API_TOKEN", "").strip()
+
+    data_dir: Path = Path(os.getenv("NP4_DATA_DIR", "./v4_data")).resolve()
+    ui_dir: Path = Path(
+        os.getenv(
+            "NP4_UI_DIR",
+            str((Path(__file__).resolve().parents[3] / "ui").resolve()),
+        )
+    )
+    pwa_dir: Path = Path(
+        os.getenv(
+            "NP4_PWA_DIR",
+            str((Path(__file__).resolve().parents[3] / "pwa").resolve()),
+        )
+    )
+
+    @classmethod
+    def ensure_dirs(cls) -> None:
+        cls.data_dir.mkdir(parents=True, exist_ok=True)
+