| import os | |
| import shutil | |
| class SafeExecutor: | |
| def __init__(self, paths_to_cleanup): | |
| self.paths_to_cleanup = paths_to_cleanup | |
| self.original_state = {} | |
| def __enter__(self): | |
| for path in self.paths_to_cleanup: | |
| if os.path.exists(path): | |
| self.original_state[path] = os.listdir(path) | |
| else: | |
| self.original_state[path] = None | |
| def __exit__(self, exc_type, exc_value, traceback): | |
| if exc_type is not None: | |
| print("An error occurred, reverting changes...") | |
| for path in self.paths_to_cleanup: | |
| if self.original_state[path] is None: | |
| if os.path.exists(path): | |
| shutil.rmtree(path) | |
| else: | |
| current_files = os.listdir(path) | |
| for file in current_files: | |
| if file not in self.original_state[path]: | |
| file_path = os.path.join(path, file) | |
| if os.path.isfile(file_path): | |
| os.remove(file_path) | |
| else: | |
| shutil.rmtree(file_path) | |
| return False # Propagate the exception | |
| return True | |