python logging prints to file but nothing to console [duplicate]

Question

logger configuration to log to file and print to stdout would not work with me so:

I want to both print logging details in prog_log.txt AND in the console, I have:

# Debug Settings
Import logging
#logging.disable()  #when program ready, un-indent this line to remove all logging messages
logging.basicConfig(level=logging.DEBUG,
                    filename = 'prog_log.txt',
                    format='%(asctime)s - %(levelname)s - %(message)s',
                    filemode = 'w')
logging.debug('Start of Program')

The above does print into the prog_log.txt file the logging details but nothing on the console..

In [3]: runfile('/Volumes/GoogleDrive/Mon Drive/MAC_test.py', wdir='/Volumes/GoogleDrive/Mon Drive/')
...nothing...

Does this answer your question? logger configuration to log to file and print to stdout — Julien Sorin
– Julien Sorin, Commented Aug 2, 2021 at 9:31
@JulienSorin unfortunately, it doesn't :( I tried the question before posting this question — JoeBadAss
– JoeBadAss, Commented Aug 2, 2021 at 12:39

Julien Sorin · Accepted Answer · 2021-08-02 09:34:25Z

0

Duplicate of logger configuration to log to file and print to stdout

You need to add and handler to set the log to StreamHandler :

logging.basicConfig(level=logging.DEBUG,
                    filename = 'prog_log.txt',
                    format='%(asctime)s - %(levelname)s - %(message)s',
                    filemode = 'w')
logger.addHandler(logging.StreamHandler())

or

logging.basicConfig(
    level=logging.DEBUG,
    format='%(asctime)s - %(levelname)s - %(message)s',
    filemode = 'w',
    handlers=[
        logging.FileHandler('prog_log.txt'),
        logging.StreamHandler()
    ]
)

answered Aug 2, 2021 at 9:34

Julien Sorin

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1 Comment

JoeBadAss Over a year ago

Thanks @Julien Sorin for your help. The first option leads somewhere when I create a logger with logger = logging.getLogger('') first. But when running multiple times, I get 'Start of Program' 'Start of Program' 'Start of Program' (multiple times displayed and unformated)..

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