def _init_checker(self, lang='en_US'):
"""
Initialize a checker of selected language if it is not yet present
lang: language to initialize the dictionary
"""
# C language means English
if lang == 'C':
lang = 'en_US'
# test if we actually have working enchant
if not ENCHANT:
print_warning(
'(none): W: unable to init enchant, spellchecking disabled.')
return
# there might not be myspell/aspell/etc dicts present
broker = Broker()
if not broker.dict_exists(lang):
print_warning(
f'(none): W: unable to load spellchecking dictionary for {lang}.'
)
return
if lang not in self._enchant_checkers:
checker = SpellChecker(
lang, filters=[EmailFilter, URLFilter, WikiWordFilter])
self._enchant_checkers[lang] = checker
