Ready

start.py

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+import argparse
+import hashlib
+import os
+from pathlib import Path
+import shutil
+import subprocess
+import sys
+
+
+ROOT = Path(__file__).resolve().parent
+BACKEND = ROOT / "backend"
+FRONTEND = ROOT / "frontend"
+VENV = ROOT / ".venv"
+
+
+def install_dependencies(
+    inputs: tuple[Path, ...], stamp: Path, command: list[str], cwd: Path
+) -> None:
+    fingerprint = hashlib.sha256()
+    for path in inputs:
+        fingerprint.update(hashlib.sha256(path.read_bytes()).digest())
+    current = fingerprint.hexdigest()
+    if stamp.is_file() and stamp.read_text(encoding="ascii") == current:
+        return
+
+    stamp.unlink(missing_ok=True)
+    subprocess.run(command, cwd=cwd, check=True)
+    stamp.write_text(current, encoding="ascii")
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description="Локальный запуск AI-заметок.")
+    parser.add_argument("--port", type=int, default=8000, help="Порт приложения (по умолчанию 8000).")
+    args = parser.parse_args()
+    if not 1 <= args.port <= 65535:
+        parser.error("Порт должен быть от 1 до 65535.")
+    if sys.version_info < (3, 11):
+        parser.exit(1, "Установите Python 3.11 или новее.\n")
+
+    npm = shutil.which("npm.cmd" if os.name == "nt" else "npm")
+    if not npm or not shutil.which("node"):
+        parser.exit(1, "Установите Node.js с npm и заново откройте терминал.\n")
+
+    env_file = ROOT / ".env"
+    if not env_file.exists():
+        shutil.copyfile(ROOT / ".env.example", env_file)
+        print("Создан .env. Для генерации добавьте ключ Groq в этот файл.", flush=True)
+
+    python = VENV / ("Scripts/python.exe" if os.name == "nt" else "bin/python")
+    if not python.is_file():
+        subprocess.run([sys.executable, "-m", "venv", str(VENV)], check=True)
+
+    install_dependencies(
+        (BACKEND / "requirements.txt",),
+        VENV / ".notes-dependencies",
+        [str(python), "-m", "pip", "install", "-r", "requirements.txt"],
+        BACKEND,
+    )
+    install_dependencies(
+        (FRONTEND / "package.json", FRONTEND / "package-lock.json"),
+        FRONTEND / "node_modules" / ".notes-dependencies",
+        [npm, "ci"],
+        FRONTEND,
+    )
+    subprocess.run([npm, "run", "build"], cwd=FRONTEND, check=True)
+
+    return subprocess.call(
+        [
+            str(python), "-m", "uvicorn", "app.main:app",
+            "--env-file", str(env_file), "--host", "127.0.0.1", "--port", str(args.port),
+        ],
+        cwd=BACKEND,
+        env={**os.environ, "NOTES_WEB_DIST": str(FRONTEND / "dist")},
+    )
+
+
+if __name__ == "__main__":
+    try:
+        raise SystemExit(main())
+    except subprocess.CalledProcessError as error:
+        print("Запуск остановлен. Причина указана выше.", file=sys.stderr)
+        raise SystemExit(error.returncode) from None
+    except KeyboardInterrupt:
+        raise SystemExit(130) from None