mt_deepl.py

import deepl as mt

# get api key
api_key_file = "/home/pico/.omegat/keys/deepl_api_key.txt"
with open(api_key_file) as f:
    auth_key = f.read().rstrip()

# get translation
translator = mt.Translator(auth_key)
result = translator.translate_text("Hello, world!", target_lang="FR")
print(result.text)  # "Bonjour, le monde !"