Python 3.13 will, for inscrutable reasons, remove the crypt module from the standard library. The excuses given in PEP 0594 boil down to “here are some good reasons why new code shouldn’t use this module.” What about existing code? Ah well. So anyway, for those of us who need some way of generating $6$ SHAcrypt SHA-512 shadow-password-database entries from Python, stick the following module into your codebase (you can also download it, shacrypt512.py) and replace code like crypt.crypt(password, ...