get_logger#

scikitplot.sp_logging.get_logger()[source]#

Return SP (scikitplot) logger instance.

Returns:
logging.Logger

An instance of the Python logging library Logger.

Return type:

Logger

See also

SpLogger

A singleton logger class that provides a shared logging.Logger instance with customizable name, formatter, handler, logging level, and thread-safety.

sp_logger

An instance of SpLogger class, providing logging functionality.

logging.getLogger

Standard library function to retrieve logging.Logger instance. For more: https://docs.python.org/3/library/logging.html

_is_jupyter_notebook

Determines if the environment is a Jupyter notebook. For define use_stderr.

Notes

See Python documentation (https://docs.python.org/3/library/logging.html) for detailed API. Below is only a summary.

The logger has 5 levels of logging from the most serious to the least:

  1. FATAL

  2. ERROR

  3. WARNING

  4. INFO

  5. DEBUG

The logger has the following methods, based on these logging levels:

  1. fatal(msg, *args, **kwargs)

  2. error(msg, *args, **kwargs)

  3. warn(msg, *args, **kwargs)

  4. info(msg, *args, **kwargs)

  5. debug(msg, *args, **kwargs)

The msg can contain string formatting. An example of logging at the ERROR level using string formating is:

>>> sp.get_logger().error("The value %d is invalid.", 3)

You can also specify the logging verbosity. In this case, the WARN level log will not be emitted:

>>> sp.get_logger().setLevel(sp.sp_logging.WARNING)
>>> sp.get_logger().debug("This is a debug.")  # This will not be shown, as level is WARNING.
>>> sp.get_logger().info("This is a info.")    # This will not be shown, as level is WARNING.
>>> sp.get_logger().warning("This is a warning.")

Examples

Get a root logger by module:

>>> import scikitplot.sp_logging as logging  # module logger
>>> logging.setLevel(logging.INFO)           # default WARNING
>>> logging.info("This is a info message from the sp logger.")

2025-01-17 22:34:40 INFO scikitplot 140122179323712 sp_logging.py 820 This is a info message from the sp logger.

Get a root logger by func:

>>> from scikitplot import sp_logging, get_logger; logging=get_logger()  # pure python logger, not have direct log level
>>> logging.setLevel(sp_logging.INFO)                                    # default WARNING
>>> logging.info("This is a info message from the sp logger.")

2025-01-17 22:34:40 INFO scikitplot 140122179323712 1353514787.py 3 This is a info message from the sp logger.

Get a root logger by class:

>>> from scikitplot import SpLogger; logging=SpLogger()  # class logger
>>> logging.setLevel(logging.INFO)                       # default WARNING
>>> logging.info("This is a info message from the sp logger.")

2025-01-17 22:34:40 INFO scikitplot 140122179323712 sp_logging.py 1146 This is a info message from the sp logger.

Get a root logger by class instance:

>>> from scikitplot import sp_logger as logging  # class instance logger
>>> logging.setLevel(logging.INFO)               # default WARNING
>>> logging.info("This is a info message from the sp logger.")

2025-01-17 22:34:40 INFO scikitplot 140122179323712 sp_logging.py 1146 This is a info message from the sp logger.
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