def document_name()

in background/function/main.py [0:0]

• 5 lines of code
• 1 McCabe index (conditional complexity)

def document_name(message):
    """ Messages are saved in a Firestore database with document IDs generated
        from the original string and destination language. If the exact same
        translation is requested a second time, the result will overwrite the
        prior result.

        message - a dictionary with fields named Language and Original, and
            optionally other fields with any names

        Returns a unique name that is an allowed Firestore document ID
    """
    key = '{}/{}'.format(message['Language'], message['Original'])
    hashed = hashlib.sha512(key.encode()).digest()

    # Note that document IDs should not contain the '/' character
    name = base64.b64encode(hashed, altchars=b'+-').decode('utf-8')
    return name