Function _execute_script

Lib/profiling/sampling/_sync_coordinator.py:152–196

Execute a Python script. Args: script_path: Path to the script to execute script_args: Arguments to pass to the script cwd: Current working directory for path resolution Raises: TargetError: If script execution fails

(script_path: str, script_args: List[str], cwd: str)

def _execute_script(script_path: str, script_args: List[str], cwd: str) -> None:
    """
    Execute a Python script.

    Args:
        script_path: Path to the script to execute
        script_args: Arguments to pass to the script
        cwd: Current working directory for path resolution

    Raises:
        TargetError: If script execution fails
    """
    # Make script path absolute if it isn't already
    if not os.path.isabs(script_path):
        script_path = os.path.join(cwd, script_path)

    if not os.path.isfile(script_path):
        raise TargetError(f"Script not found: {script_path}")

    # Replace sys.argv to match original script call
    sys.argv = [script_path] + script_args

    try:
        with open(script_path, 'rb') as f:
            source_code = f.read()

    except FileNotFoundError as e:
        raise TargetError(f"Script file not found: {script_path}") from e
    except PermissionError as e:
        raise TargetError(f"Permission denied reading script: {script_path}") from e

    main_module = types.ModuleType("__main__")
    main_module.__file__ = script_path
    main_module.__builtins__ = __builtins__
    # gh-140729: Create a __mp_main__ module to allow pickling
    sys.modules['__main__'] = sys.modules['__mp_main__'] = main_module

    try:
        code = compile(source_code, script_path, 'exec', module='__main__')
    except SyntaxError as e:
        raise TargetError(f"Syntax error in script {script_path}: {e}") from e

    # Execute the script - let exceptions propagate naturally so Python
    # prints the full traceback to stderr
    exec(code, main_module.__dict__)


def main() -> NoReturn: