| """Example UI script invoked via POST /api/scripts. |
| |
| The API streams stdout/stderr back to the caller. To return structured data, |
| print a single JSON object on the final line of stdout — the route parses it |
| into the `result` field of the response. |
| """ |
|
|
| import argparse |
| import json |
| import sys |
| import time |
|
|
|
|
| def main() -> int: |
| parser = argparse.ArgumentParser(description="Example ui_scripts entry point.") |
| parser.add_argument("--message", default="hello", help="Message to echo back.") |
| parser.add_argument( |
| "--count", type=int, default=3, help="Number of log lines to emit." |
| ) |
| parser.add_argument( |
| "--delay", type=float, default=0.0, help="Seconds to sleep between log lines." |
| ) |
| parser.add_argument( |
| "--fail", action="store_true", help="Exit non-zero to demo failure handling." |
| ) |
| args = parser.parse_args() |
|
|
| for i in range(args.count): |
| print(f"[{i + 1}/{args.count}] {args.message}", flush=True) |
| if args.delay > 0: |
| time.sleep(args.delay) |
|
|
| if args.fail: |
| print("intentional failure", file=sys.stderr, flush=True) |
| return 1 |
|
|
| |
| print( |
| json.dumps({"message": args.message, "count": args.count, "ok": True}), |
| flush=True, |
| ) |
| return 0 |
|
|
|
|
| if __name__ == "__main__": |
| sys.exit(main()) |
|
|
