ConsoleLogger

Logger that writes log messages to console.

Implements: Logger

Description

The ConsoleLogger class provides a logger that writes log messages to console.

Important points

  • Errors are written to standard err stream and all other messages to standard out stream.

Configuration parameters

  • level: maximum log level to capture
  • source: source (context) name

References

  • *:context-info:*:*:1.0 - (optional) ContextInfo to detect the context id and specify counters source

Instance methods

_write

Writes a log message to the logger destination.

_write(level: LogLevel, context: Optional[IContext], error: Optional[Exception], message: Optional[str])

  • level: LogLevel - a log level.
  • context: IContext - (optional) a context to trace execution through a call chain.
  • error: Optional[Exception] - an error object associated with this message.
  • message: Optional[str] - a human-readable message to log.

Examples

logger = ConsoleLogger()
logger.set_level(LogLevel.debug)

logger.error("123", ex, "Error occured: %s", ex.message)
logger.debug("123", "Everything is OK.")

See also