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