95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
"""Headless Claude Code runner using `claude -p` (print/non-interactive mode)."""
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from __future__ import annotations
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import asyncio
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import logging
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import re
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import sys
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logger = logging.getLogger(__name__)
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ANSI_ESCAPE = re.compile(r"\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])")
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MAX_OUTPUT_CHARS = 8000 # truncate very long responses before sending to Feishu
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def strip_ansi(text: str) -> str:
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return ANSI_ESCAPE.sub("", text)
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async def run_claude(
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prompt: str,
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cwd: str,
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cc_session_id: str | None = None,
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resume: bool = False,
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timeout: float = 300.0,
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) -> str:
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"""
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Run `claude -p <prompt>` in the given directory and return the output.
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Args:
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prompt: The message/instruction to pass to Claude Code.
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cwd: Working directory for the subprocess.
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cc_session_id: Stable UUID for the Claude Code session.
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- First call: passed as --session-id to establish the session.
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- Subsequent calls: passed as --resume so CC has full history.
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resume: If True, use --resume instead of --session-id.
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timeout: Maximum seconds to wait before giving up.
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"""
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base_args = [
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"--dangerously-skip-permissions",
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"-p", prompt,
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]
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if cc_session_id:
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if resume:
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base_args = ["--resume", cc_session_id] + base_args
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else:
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base_args = ["--session-id", cc_session_id] + base_args
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if sys.platform == "win32":
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# `claude` is a .cmd shim on Windows — must go through cmd /c
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args = ["cmd", "/c", "claude"] + base_args
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else:
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args = ["claude"] + base_args
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logger.info(
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"[worker] %s cwd=%s prompt=%r",
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("resume" if resume else "new") + f"/{cc_session_id[:8] if cc_session_id else '-'}",
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cwd,
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prompt[:80],
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)
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proc = await asyncio.create_subprocess_exec(
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*args,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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cwd=cwd,
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)
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try:
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stdout_bytes, stderr_bytes = await asyncio.wait_for(
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proc.communicate(), timeout=timeout
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)
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except asyncio.TimeoutError:
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proc.kill()
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await proc.communicate()
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logger.warning("[worker] timed out after %.0fs session_id=%s", timeout, cc_session_id)
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return f"[Timed out after {timeout:.0f}s]"
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output = stdout_bytes.decode("utf-8", errors="replace")
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output = strip_ansi(output).strip()
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if proc.returncode != 0:
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err = stderr_bytes.decode("utf-8", errors="replace").strip()
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logger.warning("[worker] exit=%d stderr=%r", proc.returncode, err[:200])
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if not output:
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output = f"[Error exit {proc.returncode}] {err[:500]}"
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logger.info("[worker] output (%d chars): %r", len(output), output[:120])
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if len(output) > MAX_OUTPUT_CHARS:
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output = output[:MAX_OUTPUT_CHARS] + "\n...[truncated]"
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return output
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