Disables saving Python interpreter history to a file. Put in your pythonrc and set your PYTHONSTARTUP env variable to point to it.

disable_history.py

# SPDX-License-Identifier: CC0-1.0
# SPDX-FileCopyrightText: 2022 nfitzen <https://github.com/nfitzen>

# god, this is such a hack
# why, python
# likely works in CPython 3.7 and up... for now
# fix bpo-20886 pls


def __PYTHONSTARTUP_historyremove():
    import sys, readline

    register_readline = sys.__interactivehook__

    def register_readline_without_history():
        hist_len = readline.get_current_history_length
        readline.get_current_history_length = lambda: -1
        register_readline()
        readline.get_current_history_length = hist_len

    sys.__interactivehook__ = register_readline_without_history


if __name__ == "__main__":
    __PYTHONSTARTUP_historyremove()