Function restoreCachedLock

packages/python/src/install.ts:28–38

* Restore a previously cached uv.lock into the project directory so that * `uv lock` can validate it instead of re-resolving from PyPI. Only * restores when a cached file exists and no lock file is already present.

(
  cachedLockPath: string | undefined,
  projectDir: string
)

 * restores when a cached file exists and no lock file is already present.
 */
async function restoreCachedLock(
  cachedLockPath: string | undefined,
  projectDir: string
): Promise<void> {
  if (!cachedLockPath) return;
  const targetLockPath = join(projectDir, 'uv.lock');
  if (fs.existsSync(cachedLockPath) && !fs.existsSync(targetLockPath)) {
    debug('Restoring cached uv.lock');
    await fs.promises.copyFile(cachedLockPath, targetLockPath);
  }
}

const makeDependencyCheckCode = (dependency: string) => `
from importlib import util