rohitg00/ai-engineering-from-scratch · error · OSError

os.system denied

Error message

os.system denied

What it means

Error "os.system denied" thrown in rohitg00/ai-engineering-from-scratch.

Source

Thrown at phases/19-capstone-projects/72-code-exec-metric/code/main.py:84

import builtins as _builtins

_DENIED_MODULES = {
    'subprocess', 'socket', 'shutil', 'requests', 'urllib',
    'urllib.request', 'urllib.error', 'urllib.parse', 'ctypes',
    'http.client', 'asyncio.subprocess',
}

_real_import = _builtins.__import__
def _guarded_import(name, *args, **kwargs):
    base = name.split('.')[0]
    if name in _DENIED_MODULES or base in _DENIED_MODULES:
        raise ImportError("denied module: %s" % name)
    return _real_import(name, *args, **kwargs)
_builtins.__import__ = _guarded_import

import os as _os
def _denied_system(_cmd):
    raise OSError("os.system denied")
_os.system = _denied_system

CODE = __PLACEHOLDER_CODE__
ASSERTIONS = __PLACEHOLDER_ASSERTIONS__

ns = {}
status = {"exit_code": "pass", "results": [], "detail": ""}
try:
    compiled = compile(CODE, "<candidate>", "exec")
except SyntaxError as exc:
    status["exit_code"] = "syntax_error"
    status["detail"] = "SyntaxError: %s" % exc
    sys.stdout.write(json.dumps(status))
    sys.exit(0)
except Exception as exc:
    status["exit_code"] = "error"
    status["detail"] = "compile error: %r" % exc
    sys.stdout.write(json.dumps(status))

View on GitHub (pinned to 39ea8a1c6d)

When it happens

Trigger: Thrown at phases/19-capstone-projects/72-code-exec-metric/code/main.py:84 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rohitg00/ai-engineering-from-scratch@39ea8a1c6d (2026-08-26). Data as JSON: /api/errors/5b1b16ca7e52e12d. Report an issue: GitHub.