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python3.11
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defence360agent
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utils
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files >> //opt/imunify360/venv/lib/python3.11/site-packages/defence360agent/utils/serialization.py
import functools import logging import pickle from asyncio import iscoroutinefunction from typing import Union, Callable logger = logging.getLogger(__name__) def _dump(path, obj): # separate function to mock in tests with open(path, "wb") as w: pickle.dump(obj, w) def serialize_attr(*, path: str, attr: str): """ Make decorator to serialize an object or object's attribute :param path: path to file to serialize into :param attr: attribute name to serialize """ def decorator(f): @functools.wraps(f) def wrapper(self, *args, **kwargs): result = f(self, *args, **kwargs) obj = getattr(self, attr) logger.debug("Write %r to %r", obj, path) _dump(path, obj) return result @functools.wraps(f) async def async_wrapper(self, *args, **kwargs): result = await f(self, *args, **kwargs) obj = getattr(self, attr) logger.debug("Write %r to %r", obj, path) _dump(path, obj) return result if iscoroutinefunction(f): return async_wrapper return wrapper return decorator def unserialize(*, path: str, fallback: Union[Callable, object] = None): """ Restore an object from file :param path: path to read from :param fallback: return or call it if unserialization fails :return: """ try: with open(path, "rb") as r: return pickle.load(r) except FileNotFoundError: logger.warning("Can't find %s to unserialize", path) except Exception as e: logger.error("Unserialize failed with %r. Returning an fallback", e) return fallback() if callable(fallback) else fallback
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