Function checkEntrypoint

packages/python/src/entrypoint.ts:153–161

* Check if a Python file contains a top-level app/handler. * Returns the matched variable name (e.g. "app"), or null if not found.

(
  workPath: string,
  relPath: string
)

 * Returns the matched variable name (e.g. "app"), or null if not found.
 */
async function checkEntrypoint(
  workPath: string,
  relPath: string
): Promise<string | null> {
  const absPath = join(workPath, relPath);
  if (!(await fileExists(absPath))) return null;
  const content = await fs.promises.readFile(absPath, 'utf-8');
  return findAppOrHandler(content);
}

/**
 * Recursively walk workPath collecting .py files, skipping hidden dirs,