test_load_messages.py

import gettext
import os
import locale

locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')

def load_translation(lang_code):
    locale_path = os.path.join(os.path.dirname(__file__), 'locales')
    try:
        translation = gettext().translation('messages', localedir=locale_path, languages=[lang_code])
        translation.install()
        return translation.gettext  # Return the translation function '_'
    except FileNotFoundError:
        print(f"Translation file for language '{lang_code}' not found.")
        return lambda s: s  # Fallback to no translation
    except UnicodeDecodeError as e:
        print(f"UnicodeDecodeError: {e}")
        return lambda s: s  # Fallback to no translation

def test_load_messages():
    print("Testing English Translations:")
    _ = load_translation('en')
    print(_("podcast.intro"))
    print(_("podcast.text_instructions"))
    
    print("\nTesting French Translations:")
    _ = load_translation('fr')
    print(_("podcast.intro"))
    print(_("podcast.text_instructions"))
    print(_("podcast.scratch_pad"))
if __name__ == "__main__":
    test_load_messages()