Python logger format
Code examples
logging.logger
import logging
logging.basicConfig(level=logging.WARNING)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
logger.debug("some debugging...")
logger.error("some error...")create log in python
logging.basicConfig(filename="logfilename.log", level=logging.INFO)
# Log Creation
logging.info('your text goes here')
logging.error('your text goes here')
logging.debug('your text goes here')
python logging example
# logging_example.py
import logging
# Create a custom logger
logger = logging.getLogger(__name__)
# Create handlers
c_handler = logging.StreamHandler()
f_handler = logging.FileHandler('file.log')
c_handler.setLevel(logging.WARNING)
f_handler.setLevel(logging.ERROR)
# Create formatters and add it to handlers
c_format = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
f_format = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
c_handler.setFormatter(c_format)
f_handler.setFormatter(f_format)
# Add handlers to the logger
logger.addHandler(c_handler)
logger.addHandler(f_handler)
logger.warning('This is a warning')
logger.error('This is an error')
python fme logger
logger = fmeobjects.FMELogFile()
logger.logMessageString("{}".format('Error'), fmeobjects.FME_ERROR)pythong logging logger to string
import logging
try:
from cStringIO import StringIO # Python 2
except ImportError:
from io import StringIO
class LevelFilter(logging.Filter):
def __init__(self, levels):
self.levels = levels
def filter(self, record):
return record.levelno in self.levels
log_stream = StringIO()
logging.basicConfig(stream=log_stream, level=logging.NOTSET)
logging.getLogger().addFilter(LevelFilter((logging.INFO, logging.WARNING, logging.ERROR)))
logging.info('hello world')
logging.warning('be careful!')
logging.debug("you won't see this")
logging.error('you will see this')
logging.critical('critical is no longer logged!')
print(log_stream.getvalue())
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