파이썬 메모장

• 0) 정규식
  • 알파뱃 대소 구분없이 정규식으로 찾아서 조지기
    • https://zephyrus1111.tistory.com/302

    • word_list = [
      	'apple', 'banana', 'cherry', '...',
      ]
      sentence = "I am CheRRy! 하하하 호호호 1234567890"
      
      for word in word_list:
      	if word in sentence.lower():
      		pattern = re.compile(word, re.IGNORECASE)
      		match = re.search(pattern, sentence)
      		match_group = match.group() if match is not None else None
      		sentence = sentence.replace(match_group, f"<color=#FF0000>{match_group}</mark>", 1)
      		break
      ...

  • 태그 사이값 찾기
    • output = re.findall(r"<태크>(.*?)</태크>", input, re.DOTALL)
• 1) __ __
  • 파이썬 패키지 구성을 위한 __init__.py 및 __all__ : https://chancoding.tistory.com/207
  • __call__ : ...
  • ...
• 2) @wrapper
  • ...
• 3) PYTHONUNBUFFERED
  • https://docs.python.org/ko/3/using/cmdline.html#envvar-PYTHONUNBUFFERED
  • 예) env PYTHONUNBUFFERED = 1
  • 예) python -u ...
• 3) PYTHONPATH, PYTHONHOME, ...
  • https://docs.python.org/ko/3/using/cmdline.html#envvar-PYTHONPATH
  • 예) PYTHONPATH=/Users/Test/src python3 -u -X utf8 /Users/Test/src/test.py
• 4) UTF-8 모드
  • https://docs.python.org/ko/3/using/windows.html#utf-8-mode
  • 예) python -X utf8 ...
• 5) logging
  • https://zephyrus1111.tistory.com/442 
  • StreamHandler : 
    • stdout | stderr 으로 출력
  • FileHandler : 
  • RotatingFileHandler : 
  • TimedRotatingFileHandler : 
    • https://docs.python.org/ko/3/library/logging.handlers.html#timedrotatingfilehandler

  • import logging.handlers
    
    formatter = logging.Formatter('%(asctime)s [%(threadName)s] [%(levelname)s] %(message)s')
    
    stream_handler = logging.StreamHandler()
    stream_handler.setLevel(logging.INFO)
    stream_handler.setFormatter(formatter)
    
    timed_handler = logging.handlers.TimedRotatingFileHandler(
        filename='log/project.log',
        when='midnight',  # S:초단위 M:분단위 H:시단위 D:일단위 midnight:자정
        interval=1,
        encoding='utf-8')
    timed_handler.setLevel(logging.INFO)
    timed_handler.setFormatter(formatter)
    timed_handler.suffix = "%Y%m%d"
    
    logging.basicConfig(
            level=logging.INFO,
            #format="%(asctime)s [%(threadName)s] [%(levelname)s] %(message)s",
            handlers=[
                stream_handler,
                timed_handler,
            ]
        )
    my_logger = logging.getLogger('my-project-app')
    
    my_logger.info(f"my_logger = {my_logger}")
    my_logger.info(f"my_logger_handlers = {my_logger.handlers}")

  • 
• 6) loguru

  • from loguru import logger
    
    def log_0(record):
        return bool("log_0" in record["extra"])
    
    lv = os.getenv('MY_LOG', default='DEBUG')
    logger.remove()
    logger.add(sink=sys.stderr, colorize=True, format=r"<green>{time}</green> {level} <level>{message}</level>", filter=log_0, level=lv)
    #logger.add(sink="logs/local.{time}.log", rotation="1 days", retention="1 months") # backtrace=True diagnose=True
    my_logger = logger.bind(log_0=True)

• 7) @lru_cache
  • ...
• ...

-끝-