Remove log handler

multihandler.ini

[loggers]
keys: root
[handlers]
keys: screen, screen2
[formatters]
keys: context


[logger_root]
qualname: root
handlers: screen, screen2
level: NOTSET

[handler_screen]
class=StreamHandler
formatter=context
level=NOTSET
args=(sys.stdout,)

[handler_screen2]
class=StreamHandler
formatter=context
level=NOTSET
args=(sys.stdout,)

# datefmt must be set otherwise you end up with too many (msecs) fields
[formatter_context]
class: oslo_log.formatters.ContextFormatter
args: (datefmt=datefmt)
format: %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [%(request_id)s %(user)s %(tenant)s] %(instance)s%(message)s
datefmt: %Y-%m-%d %H:%M:%S

multihandler.py

import os
import logging.config as logcfg

import oslo_config.cfg as cfg
from oslo_log import log as log


def main():
    os.system('clear')
    CONF = cfg.CONF
    log.register_options(CONF)
    CONF()
    CONF.log_config_append = "multihandler.ini"

    log.set_defaults()
    log.setup(CONF, 'logxp')
    root = log.getLogger("")
    root.error("one")

    logcfg.fileConfig('multihandler2.ini', disable_existing_loggers=False)
    root.error("two")


if __name__ == '__main__':
    main()

multihandler2.ini

[loggers]
keys: root
[handlers]
keys: screen
[formatters]
keys: context


[logger_root]
qualname: root
handlers: screen
level: NOTSET

[handler_screen]
class=StreamHandler
formatter=context
level=NOTSET
args=(sys.stdout,)

# datefmt must be set otherwise you end up with too many (msecs) fields
[formatter_context]
class: oslo_log.formatters.ContextFormatter
args: (datefmt=datefmt)
format: %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [%(request_id)s %(user)s %(tenant)s] %(instance)s%(message)s
datefmt: %Y-%m-%d %H:%M:%S

output

2016-05-04 16:12:09.251 15002 ERROR root [-] one
2016-05-04 16:12:09.251 15002 ERROR root [-] one
2016-05-04 16:12:09.252 15002 ERROR root [-] two