46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
# This entire thing is unnecessary post v3.13.0a3
|
|
# https://github.com/python/cpython/issues/73965
|
|
|
|
|
|
def is_vanilla() -> bool:
|
|
""":return: whether running "vanilla" Python"""
|
|
import sys
|
|
|
|
return not hasattr(__builtins__, "__IPYTHON__") and "bpython" not in sys.argv[0]
|
|
|
|
|
|
def setup_history():
|
|
"""read and write history from state file"""
|
|
import os
|
|
import atexit
|
|
import readline
|
|
from pathlib import Path
|
|
|
|
# https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html#variables
|
|
if state_home := os.environ.get("XDG_STATE_HOME"):
|
|
state_home = Path(state_home)
|
|
else:
|
|
state_home = Path.home() / ".local" / "state"
|
|
if not state_home.is_dir():
|
|
print("Error: XDG_SATE_HOME does not exist at", state_home)
|
|
|
|
history: Path = state_home / "python_history"
|
|
|
|
# https://github.com/python/cpython/issues/105694
|
|
if not history.is_file():
|
|
with open(history, "w") as f:
|
|
f.write(
|
|
"_HiStOrY_V2_"
|
|
+ "\
|
|
\
|
|
"
|
|
) # breaks on macos + python3 without this.
|
|
|
|
readline.read_history_file(history)
|
|
atexit.register(readline.write_history_file, history)
|
|
|
|
|
|
if is_vanilla():
|
|
setup_history()
|