import importlib.util import os from collections import namedtuple ENTRYPOINT = "im_hook" ModuleInfo = namedtuple("ModuleInfo", ("object", "mtime", "ctime")) modules: dict[str, ModuleInfo] = {} def import_hook(path): file_stat = os.stat(path) if ( path in modules and modules[path].mtime == file_stat.st_mtime and modules[path].ctime == file_stat.st_ctime ): return modules[path].object spec = importlib.util.spec_from_file_location(path, path) hook_module = importlib.util.module_from_spec(spec) spec.loader.exec_module(hook_module) modules[path] = ModuleInfo( object=hook_module, mtime=file_stat.st_mtime, ctime=file_stat.st_ctime ) return hook_module def remove_hook(path): if path in modules: modules.pop(path) def execute_hook(path, dict_param): hook_module = import_hook(path) entrypoint = getattr(hook_module, ENTRYPOINT) return entrypoint(dict_param)