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fix: add project root to PYTHONPATH in execute_code sandbox

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The execute_code sandbox spawns a child process with cwd set to a
temporary directory, but never adds the hermes-agent project root to
PYTHONPATH. This makes project-root modules like minisweagent_path
unreachable from sandboxed scripts, causing ImportError when the
agent runs self-diagnostic or analysis code via execute_code.

Fix by prepending the hermes-agent root directory to PYTHONPATH in
the child process environment.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
anastazya 2026-03-14 15:23:09 +01:00 • committed by teknium1
parent 9c322f7f59
commit 23bc642c82
1 changed files with 5 additions and 0 deletions
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5
tools/code_execution_tool.py
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@ -440,6 +440,11 @@ def execute_code(
child_env[k] = v
child_env["HERMES_RPC_SOCKET"] = sock_path
child_env["PYTHONDONTWRITEBYTECODE"] = "1"
# Ensure the hermes-agent root is importable in the sandbox so
# modules like minisweagent_path are available to child scripts.
_hermes_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
_existing_pp = child_env.get("PYTHONPATH", "")
child_env["PYTHONPATH"] = _hermes_root + (os.pathsep + _existing_pp if _existing_pp else "")
# Inject user's configured timezone so datetime.now() in sandboxed
# code reflects the correct wall-clock time.
_tz_name = os.getenv("HERMES_TIMEZONE", "").strip()