On Windows 10 the logging module send this error (using scrapy)
# --- Logging error ---
...
# UnicodeEncodeError: 'charmap' codec can't encode characters in position 175-176: character maps to <undefined>
I have read that I should add EDIT: According to the tuto it isnt needed. encoding='utf-8'
but I did not find how I could add it in the code below.
configure_logging(install_root_handler=False) #override default log settings
logging.basicConfig(
filename='logfile.log',
format='%(levelname)s: %(message)s',
datefmt='%m-%d %H:%M',
level=logging.INFO #CRITICAL ERROR WARNING INFO DEBUG NOTSET
)
I found many questions on the topics, but mostly on python 2 (or not related to the logging module). And the logging tutorial don't even talk about utf-8. (Notice that I can print UTF8 characters without any problem. The problem only occur with the logging module)
I'm not using Scrapy
but I ran into the same issue with vanilla Python 3.6 logging of not being able to write UTF-8 characters via logging
to a file (console worked just fine).
Based on this comment I added 'utf-8'
to my FileHandler
initialization. I'm configuring logging via an INI file so it looks like this:
[handler_file]
class = FileHandler
args = (r'log.txt', 'a', 'utf-8')
level = NOTSET
formatter = generic
To use logging.basicConfig()
I think that you should be able to do the following:
configure_logging(install_root_handler=False) #override default log settings
logging.basicConfig(
handlers=[logging.FileHandler('logfile.log', 'w', 'utf-8')],
format='%(levelname)s: %(message)s',
datefmt='%m-%d %H:%M',
level=logging.INFO #CRITICAL ERROR WARNING INFO DEBUG NOTSET
)
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