37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
#!/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_STATE_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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readline.write_history_file(str(history)) # 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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