def lambda_handler(event, context): print(event) words, file_id, name, lang_code_a, lang_voice_a, lang_code_b, lang_voice_b = event trans = Translator() all_files = [] with tempfile.TemporaryDirectory() as temp_dir: temp_dir += "/" for i, word in enumerate(words): print(temp_dir) dog_us = trans.translate_word(word[0], lang_code_a, lang_voice_a) trans.save_response_mp3(dog_us, temp_dir + "/word_a.mp3") dog_de = trans.translate_word(word[1], lang_code_b, lang_voice_b, speed=80) trans.save_response_mp3(dog_de, temp_dir + "word_b.mp3") trans.join_words(temp_dir + "/word_a.mp3", temp_dir + "/word_b.mp3", temp_dir + "join_{}.mp3".format(i), gap=500) all_files.append(temp_dir + "join_{}.mp3".format(i)) trans.join_multiple_sounds(all_files, temp_dir + "all.mp3", gap=500) upload_file(temp_dir + "all.mp3", file_id) return {"statusCode": 200, "body": "Done"}