import pickle as pickle
import sys

class C:
    def __init__(self):
        self.attrs = {}

    def __getattr__(self, name):
        if name in self.attrs:
            return self.attrs[name]
        raise AttributeError(name)

sys.setrecursionlimit(20)
fi = open('/tmp/test.pickle', 'wb')
pickle.dump(C(), fi)
fi.close()
fi = open('/tmp/test.pickle', 'rb')
print(pickle.load(fi))