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agent-framework/python/samples/02-agents/skills/subprocess_script_runner.py
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Eduard van Valkenburg 55b6e7a9f4 Python: Add Python feature lifecycle decorators for released APIs (#4975)
* Add Python feature lifecycle decorators

Introduce reusable experimental and release-candidate decorators for released packages, migrate the Skills APIs to the new staged metadata and warning system, and add lifecycle guidance plus samples.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix Python CI follow-ups

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address PR review feedback

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Preserve protocol runtime checks

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-03-31 19:40:08 +00:00

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2.5 KiB
Python

# Copyright (c) Microsoft. All rights reserved.
"""Sample subprocess-based skill script runner.
Executes file-based skill scripts as local Python subprocesses.
This is provided for demonstration purposes only.
"""
from __future__ import annotations
import subprocess
import sys
# Uncomment this filter to suppress the experimental Skills warning before
# using the sample's Skills APIs.
# import warnings
# warnings.filterwarnings("ignore", message=r"\[SKILLS\].*", category=FutureWarning)
from pathlib import Path
from typing import Any
from agent_framework import Skill, SkillScript
def subprocess_script_runner(skill: Skill, script: SkillScript, args: dict[str, Any] | None = None) -> str:
"""Run a skill script as a local Python subprocess.
Resolves the script's absolute path from the skill directory, converts
the ``args`` dict to CLI flags, and returns captured output.
Args:
skill: The skill that owns the script.
script: The script to run.
args: Optional arguments forwarded as CLI flags.
Returns:
The combined stdout/stderr output, or an error message.
"""
if not skill.path:
return f"Error: Skill '{skill.name}' has no directory path."
if not script.path:
return f"Error: Script '{script.name}' has no file path. Only file-based scripts can be executed locally."
script_path = Path(skill.path) / script.path
if not script_path.is_file():
return f"Error: Script file not found: {script_path}"
cmd = [sys.executable, str(script_path)]
# Convert args dict to CLI flags
if args:
for key, value in args.items():
if isinstance(value, bool):
if value:
cmd.append(f"--{key}")
elif value is not None:
cmd.append(f"--{key}")
cmd.append(str(value))
try:
result = subprocess.run(
cmd,
capture_output=True,
text=True,
timeout=30,
cwd=str(script_path.parent),
)
output = result.stdout
if result.stderr:
output += f"\nStderr:\n{result.stderr}"
if result.returncode != 0:
output += f"\nScript exited with code {result.returncode}"
return output.strip() or "(no output)"
except subprocess.TimeoutExpired:
return f"Error: Script '{script.name}' timed out after 30 seconds."
except OSError as e:
return f"Error: Failed to execute script '{script.name}': {e}"