Python command line settable logging verbosity example.
#!/usr/bin/env python2.7 | |
import argparse | |
import logging | |
def type_loglevel(level): | |
try: | |
result = getattr(logging, level.upper()) | |
except AttributeError: | |
raise argparse.ArgumentTypeError("'%s' is not a valid log level. Please use %s" % \ | |
(level, [x for x in logging._levelNames.keys() if isinstance(x, str)])) | |
return result | |
parser = argparse.ArgumentParser(description='My description goes here') | |
parser.add_argument('-l', '--loglevel', type=type_loglevel, default='INFO', | |
help='Log level verbosity (default: INFO)') | |
args = parser.parse_args() | |
logging.basicConfig(level=args.loglevel) | |
logging.debug('This is a test debug message') |
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