execd.py 文件源码

def execd_submodule_paths(command, execd_dir=None):
    """Generate a list of full paths to the specified command within exec_dir.
    """
    for module_path in execd_module_paths(execd_dir):
        path = os.path.join(module_path, command)
        if os.access(path, os.X_OK) and os.path.isfile(path):
            yield path