51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
from __future__ import annotations
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import locale
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import logging
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import os
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import subprocess
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import sys
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def _lang_code_mac():
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"""
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stolen from https://github.com/mu-editor/mu
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Returns the user's language preference as defined in the Language & Region
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preference pane in macOS's System Preferences.
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"""
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# Uses the shell command `defaults read -g AppleLocale` that prints out a
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# language code to standard output. Assumptions about the command:
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# - It exists and is in the shell's PATH.
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# - It accepts those arguments.
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# - It returns a usable language code.
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#
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# Reference documentation:
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# - The man page for the `defaults` command on macOS.
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# - The macOS underlying API:
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# https://developer.apple.com/documentation/foundation/nsuserdefaults.
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lang_detect_command = "defaults read -g AppleLocale"
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status, output = subprocess.getstatusoutput(lang_detect_command)
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if status == 0:
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# Command was successful.
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lang_code = output
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else:
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logging.warning("Language detection command failed: %r", output)
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lang_code = ""
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return lang_code
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def configure_locale():
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if sys.platform == "darwin" and "LANG" not in os.environ:
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code = _lang_code_mac()
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if code != "":
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os.environ["LANG"] = f"{code}.utf-8"
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locale.setlocale(locale.LC_ALL, "")
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sys.stdout.reconfigure(encoding=sys.getdefaultencoding())
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sys.stderr.reconfigure(encoding=sys.getdefaultencoding())
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sys.stdin.reconfigure(encoding=sys.getdefaultencoding())
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