# Copyright (c) 2023, Teriks
#
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import langcodes
[docs]
def get_language_code(language: str) -> str | None:
"""
Return an IETF language code for the given language name or code.
:param language: Name of the language, or IETF language code.
:return: Language code, or None if not found.
"""
try:
normalized_language = langcodes.standardize_tag(language)
if langcodes.tag_is_valid(normalized_language):
return normalized_language
except langcodes.tag_parser.LanguageTagError:
pass
try:
language_code = langcodes.find(language).language
return language_code
except LookupError:
return None