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import gettext
import os
import sys
from os.path import dirname, realpath
from .utils import cache
_ = translation = None
locale_dir = None
# Use N_ to mark a string for translation but _not_ immediately translate it.
# reference: https://docs.python.org/3/library/gettext.html#deferred-translations
# Makefile configures pybabel to treat N_() the same as _()
def N_(message): return message
def _set_locale_dir():
global locale_dir
if getattr(sys, 'frozen', False):
# we are in a pyinstaller installation
locale_dir = sys._MEIPASS
else:
locale_dir = dirname(dirname(realpath(__file__)))
locale_dir = os.path.join(locale_dir, 'locales')
def localize(languages=None):
global translation, _
translation = gettext.translation("inkstitch", locale_dir, fallback=True)
_ = translation.gettext
@cache
def get_languages():
"""return a list of languages configured by the user
I really wish gettext provided this as a function. Instead, we've duplicated
its code below.
"""
languages = []
for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
val = os.environ.get(envar)
if val:
languages = val.split(':')
break
if 'C' not in languages:
languages.append('C')
return languages
_set_locale_dir()
localize()
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