def gen_utf8(length=10):
    # Validate length argument
    _is_positive_int(length)

    random.seed()
    return u''.join([random.choice(UNICODE_LETTERS) for _ in range(length)])
Returns a random string made up of UTF-8 letters characters, as per
dataset/ETHPy150Open omaciel/fauxfactory/fauxfactory/__init__.py/gen_utf8