Python's logging module

One, logging module

Idle to have no matter, think logging module compare have empty, probably tidy up a bit

Second, the composition of the logging module

Logging module, go inside you will see three packages: Init file, Config,handler

Handler is to deal with some of the content of handler, if you want to make some changes handler can look at this part:

Rotatinghandler (file rotation, file reached the specified size can be changed file)

Timeroatingfilehandler (time file rotation, estimated to be time-based)

。。。。。

Config basically is the processing configuration, we are simple to use, direct simple look at the init file is enough

Three, simple analysis of logging module:

1, some error levels and corresponding numbers, as well as some methods about the log level

　　

2, Logger important class:

Filter: Filters, filter the relevant data, see if you want to record

Handler: Dispatcher, log-related handling of the distribution of class log events

Logger Log object, which represents a channel for logging

Formatter format class, controlling the style of the log output

Third, the composition of logging:

1, loggers

2, Handler

3, Filters

4, formatters

Iv. Configuration of logging

1, simple configuration, the default logger object root

2. Code Configuration

3. File configuration

4.

Python's logging module