ragflow-main/api/validation.py

#
#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#

import logging
import sys


def python_version_validation():
    # Check python version
    required_python_version = (3, 10)
    if sys.version_info < required_python_version:
        logging.info(
            f"Required Python: >= {required_python_version[0]}.{required_python_version[1]}. Current Python version: {sys.version_info[0]}.{sys.version_info[1]}."
        )
        sys.exit(1)
    else:
        logging.info(f"Python version: {sys.version_info[0]}.{sys.version_info[1]}")


python_version_validation()


# Download nltk data
def download_nltk_data():
    import nltk
    nltk.download('wordnet', halt_on_error=False, quiet=True)
    nltk.download('punkt_tab', halt_on_error=False, quiet=True)


try:
    from multiprocessing import Pool
    pool = Pool(processes=1)
    thread = pool.apply_async(download_nltk_data)
    binary = thread.get(timeout=60)
except Exception:
    print('\x1b[6;37;41m WARNING \x1b[0m' + "Downloading NLTK data failure.", flush=True)