Index

A

adding custom fields and data to messages (with a formatter and a class filter)

ancestors of a logger

D

diagram: `prelogging` classes — inheritance & and who uses whom diagram: Multiprocess logging with a queue and a logging thread

diagram: The objects of `logging` configuration Django (using `prelogging` with)

E

effective level of a logger

Exercise on ``propagate`` and ``attach_to_root``

F

filter (adding custom fields and data to messages) Filters — providing extra dynamic data Filters — providing extra static data formatter (adding custom fields and data to messages)

formatter presets (added to an LCDict only when used) (formatter_presets.txt – declares default collection) (shipped with prelogging — table)

H

How a message is logged

L

LCDictBuilderABC libraries (using `prelogging` in) logger ancestors logger children logger names logger parent Logger.propagate property logging handler classes encapsulated

logging.basicConfig (used by `logging` to create side effect) logging.critical() side effect logging.debug() side effect logging.error() side effect logging.info() side effect logging.log() side effect logging.warning() side effect

M

Multiprocessing-aware logging — two approaches

N

NOTSET (special loglevel)

NullHandlers

P

Placement of handlers when using multiple loggers — best practices

propagate flag of a logger Propagation — best practices

Q

QueueHandlers

R

root logger names (warning re pitfalls)

S

SMTPHandlers (email handlers)

U

update_formatter_presets function

update_formatter_presets_from_file function