scripts/tests/java/base.py

#!/usr/bin/env python3

#
#    Copyright (c) 2022 Project CHIP 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.
#

# Commissioning test.
import logging
import os
import sys
import queue
import datetime
import asyncio
import threading
import typing
import time
import subprocess
from colorama import Fore, Style


def EnqueueLogOutput(fp, tag, q):
    for line in iter(fp.readline, b''):
        timestamp = time.time()
        if len(line) > len('[1646290606.901990]') and line[0:1] == b'[':
            try:
                timestamp = float(line[1:18].decode())
                line = line[19:]
            except Exception as ex:
                pass
        sys.stdout.buffer.write(
            (f"[{datetime.datetime.fromtimestamp(timestamp).isoformat(sep=' ')}]").encode() + tag + line)
        sys.stdout.flush()
    fp.close()


def RedirectQueueThread(fp, tag, queue) -> threading.Thread:
    log_queue_thread = threading.Thread(target=EnqueueLogOutput, args=(
        fp, tag, queue))
    log_queue_thread.start()
    return log_queue_thread


def DumpProgramOutputToQueue(thread_list: typing.List[threading.Thread], tag: str, process: subprocess.Popen, queue: queue.Queue):
    thread_list.append(RedirectQueueThread(process.stdout,
                                           (f"[{tag}][{Fore.YELLOW}STDOUT{Style.RESET_ALL}]").encode(), queue))
    thread_list.append(RedirectQueueThread(process.stderr,
                                           (f"[{tag}][{Fore.RED}STDERR{Style.RESET_ALL}]").encode(), queue))