wehub-resource-sync
51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
# Copyright (c) 2023 Anthropic
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# Copyright (c) 2025 ByteDance Ltd. and/or its affiliates.
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# SPDX-License-Identifier: MIT
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#
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# This file has been modified by ByteDance Ltd. and/or its affiliates. on 13 June 2025
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#
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# Original file was released under MIT License, with the full license text
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# available at https://github.com/anthropics/anthropic-quickstarts/blob/main/LICENSE
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#
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# This modified file is released under the same license.
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"""Utility to run shell commands asynchronously with a timeout."""
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import asyncio
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import contextlib
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TRUNCATED_MESSAGE: str = "<response clipped><NOTE>To save on context only part of this file has been shown to you. You should retry this tool after you have searched inside the file with `grep -n` in order to find the line numbers of what you are looking for.</NOTE>"
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MAX_RESPONSE_LEN: int = 16000
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def maybe_truncate(content: str, truncate_after: int | None = MAX_RESPONSE_LEN):
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"""Truncate content and append a notice if content exceeds the specified length."""
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return (
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content
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if not truncate_after or len(content) <= truncate_after
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else content[:truncate_after] + TRUNCATED_MESSAGE
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)
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async def run(
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cmd: str,
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timeout: float | None = 120.0, # seconds
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truncate_after: int | None = MAX_RESPONSE_LEN,
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):
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"""Run a shell command asynchronously with a timeout."""
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process = await asyncio.create_subprocess_shell(
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cmd, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE
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)
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try:
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stdout, stderr = await asyncio.wait_for(process.communicate(), timeout=timeout)
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return (
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process.returncode or 0,
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maybe_truncate(stdout.decode(), truncate_after=truncate_after),
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maybe_truncate(stderr.decode(), truncate_after=truncate_after),
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)
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except asyncio.TimeoutError as exc:
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with contextlib.suppress(ProcessLookupError):
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process.kill()
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raise TimeoutError(f"Command '{cmd}' timed out after {timeout} seconds") from exc
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