LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s % (asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 20: 2, 30: 3, 40: 1})[source] Log formatter used in Tornado. Key features of this formatter are: Color support when logging to a terminal that supports it. Timestamps on every log line. Robust against tornado.options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama [https://pypi.python.org/pypi/colorama]

LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s % (asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 30: 3, 40: 1, 50: 5})[source] Log formatter used in Tornado. Key features of this formatter are: Color support when logging to a terminal that supports it. Timestamps on every log line. Robust against tornado.options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama [https://pypi.python.org/pypi/colorama]

class tornado.log.LogFormatter(fmt='%(color)s[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt='%y%m%d %H:%M:%S', style='%', color=True, colors={40: 1, 10: 4, 20: 2, 30: 3}) Log formatter used in Tornado. Key features of this formatter are: Color support when logging to a terminal that supports it. Timestamps on every log line. Robust against str/bytes encoding tornado.options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama [https://pypi.python.org/pypi/colorama]

LogFormatter(fmt: str = ’%(color)s[%(levelname)1.1s %(asctime)s %(mod- ule)s:%(lineno)d]%(end_color)s %(message)s’, datefmt: str = ’%y%m%d %H:%M:%S’, style: str = ’%’, color: bool = True, colors: Dict[int 2, 30: 3, 40: 1, 50: 5}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against tornado. options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

class tornado.log.LogFormatter(fmt=’%(color)s[%(levelname)1.1s %(asctime)s %(mod- ule)s:%(lineno)d]%(end_color)s %(message)s’, datefmt=’%y%m%d %H:%M:%S’, style=’%’, color=True, colors={40: 1, 10: 4, 20: 2 2, 30: 3}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against str/bytes tornado. options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

class tornado.log.LogFormatter(fmt=’%(color)s[%(levelname)1.1s %(asctime)s %(mod- ule)s:%(lineno)d]%(end_color)s %(message)s’, datefmt=’%y%m%d %H:%M:%S’, style=’%’, color=True, colors={10: 4, 20: 2, 30: 3 3, 40: 1}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against str/bytes tornado. options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s %(asctime)s %(mod- ule)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 4, 20: 2, 30: 3, 40: 1}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against tornado. options.parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

log.LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 2, 30: 3, 40: 1, 50: 5}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against tornado.options. parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

log.LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 2, 30: 3, 40: 1, 50: 5}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against --logging=none is used). 6.7. Utilities 147 Tornado Documentation, Release 6.2 Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish

log.LogFormatter(fmt: str = '%(color)s[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]%(end_color)s %(message)s', datefmt: str = '%y%m%d %H:%M:%S', style: str = '%', color: bool = True, colors: Dict[int 2, 30: 3, 40: 1, 50: 5}) Log formatter used in Tornado. Key features of this formatter are: • Color support when logging to a terminal that supports it. • Timestamps on every log line. • Robust against tornado.options. parse_config_file (unless --logging=none is used). Color support on Windows versions that do not support ANSI color codes is enabled by use of the colorama library. Applications that wish