class Logger.FormatHandler

A subclass of Handler that includes functionality for formatting logging records as human-readable strings.

The following tokens are supported in the format:

• %s or {0} – record serial number
• %n or {1} – logger name
• %l or {2} – record level as string
• %M or {3} – record message
• %f or {4} – record calling function
• %d or {5,date} – record date as yyyy-MM-dd
• %t or {5,time} – record time as HH:mm:ss.mmm