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Hyperlight PyPI sample with self-contained venv and async tool registration
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| Hyperlight sample using uv | |
| Requires: uv (https://docs.astral.sh/uv/getting-started/installation/) | |
| Run the verified sample with: | |
| bash /tmp/hyperlight-testpypi-sample/run_sample.sh | |
| The sample registers one simple async host tool named `echo` and calls it from | |
| both the Python and JavaScript guests. |
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| #!/usr/bin/env bash | |
| set -e | |
| SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)" | |
| uv run --no-project \ | |
| --with 'hyperlight-sandbox[wasm,python_guest,javascript_guest]' \ | |
| python "$SCRIPT_DIR/sample_verify.py" |
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| import asyncio | |
| try: | |
| from hyperlight_sandbox import Sandbox | |
| except ImportError as exc: | |
| raise SystemExit( | |
| "hyperlight_sandbox is not installed in this interpreter. Run this script with " | |
| "run_sample.sh or install the package first." | |
| ) from exc | |
| def run_case(module_ref: str, code: str) -> None: | |
| sandbox = Sandbox(backend="wasm", module=module_ref) | |
| async def host_echo(message="ok"): | |
| await asyncio.sleep(0) | |
| return f"host:{message}" | |
| sandbox.register_tool("echo", host_echo) | |
| result = sandbox.run(code) | |
| if not result.success: | |
| raise SystemExit(f"{module_ref} failed: {result.stderr}") | |
| print(f"{module_ref}: {result.stdout.strip()}") | |
| run_case("python_guest.path", 'print(call_tool("echo", message="python guest ok"))') | |
| run_case("javascript_guest.path", 'console.log(call_tool("echo", { message: "javascript guest ok" }));') |
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