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author | Géry Ogam <gery.ogam@gmail.com> | 2018-09-25 07:24:52 (GMT) |
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committer | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2018-09-25 07:24:52 (GMT) |
commit | 5b3cbcd4a041eeda935dd6d0c75f2d38111ed03d (patch) | |
tree | c29084a74cf6502dabcf41701f5dbe4914ad6408 | |
parent | f6c8007a29b95b3ea3ca687a9b4924769a696328 (diff) | |
download | cpython-5b3cbcd4a041eeda935dd6d0c75f2d38111ed03d.zip cpython-5b3cbcd4a041eeda935dd6d0c75f2d38111ed03d.tar.gz cpython-5b3cbcd4a041eeda935dd6d0c75f2d38111ed03d.tar.bz2 |
Improved the more elaborate multiprocessing example in the logging cookbook (GH-9326)
-rw-r--r-- | Doc/howto/logging-cookbook.rst | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/Doc/howto/logging-cookbook.rst b/Doc/howto/logging-cookbook.rst index b1930a7..285aff7 100644 --- a/Doc/howto/logging-cookbook.rst +++ b/Doc/howto/logging-cookbook.rst @@ -1456,12 +1456,18 @@ works:: which then get dispatched, by the logging system, to the handlers configured for those loggers. """ + def handle(self, record): - logger = logging.getLogger(record.name) - # The process name is transformed just to show that it's the listener - # doing the logging to files and console - record.processName = '%s (for %s)' % (current_process().name, record.processName) - logger.handle(record) + if record.name == "root": + logger = logging.getLogger() + else: + logger = logging.getLogger(record.name) + + if logger.isEnabledFor(record.levelno): + # The process name is transformed just to show that it's the listener + # doing the logging to files and console + record.processName = '%s (for %s)' % (current_process().name, record.processName) + logger.handle(record) def listener_process(q, stop_event, config): """ @@ -1526,22 +1532,16 @@ works:: # The main process gets a simple configuration which prints to the console. config_initial = { 'version': 1, - 'formatters': { - 'detailed': { - 'class': 'logging.Formatter', - 'format': '%(asctime)s %(name)-15s %(levelname)-8s %(processName)-10s %(message)s' - } - }, 'handlers': { 'console': { 'class': 'logging.StreamHandler', - 'level': 'INFO', - }, + 'level': 'INFO' + } }, 'root': { - 'level': 'DEBUG', - 'handlers': ['console'] - }, + 'handlers': ['console'], + 'level': 'DEBUG' + } } # The worker process configuration is just a QueueHandler attached to the # root logger, which allows all messages to be sent to the queue. @@ -1554,13 +1554,13 @@ works:: 'handlers': { 'queue': { 'class': 'logging.handlers.QueueHandler', - 'queue': q, - }, + 'queue': q + } }, 'root': { - 'level': 'DEBUG', - 'handlers': ['queue'] - }, + 'handlers': ['queue'], + 'level': 'DEBUG' + } } # The listener process configuration shows that the full flexibility of # logging configuration is available to dispatch events to handlers however @@ -1584,28 +1584,28 @@ works:: 'handlers': { 'console': { 'class': 'logging.StreamHandler', - 'level': 'INFO', 'formatter': 'simple', + 'level': 'INFO' }, 'file': { 'class': 'logging.FileHandler', 'filename': 'mplog.log', 'mode': 'w', - 'formatter': 'detailed', + 'formatter': 'detailed' }, 'foofile': { 'class': 'logging.FileHandler', 'filename': 'mplog-foo.log', 'mode': 'w', - 'formatter': 'detailed', + 'formatter': 'detailed' }, 'errors': { 'class': 'logging.FileHandler', 'filename': 'mplog-errors.log', 'mode': 'w', - 'level': 'ERROR', 'formatter': 'detailed', - }, + 'level': 'ERROR' + } }, 'loggers': { 'foo': { @@ -1613,9 +1613,9 @@ works:: } }, 'root': { - 'level': 'DEBUG', - 'handlers': ['console', 'file', 'errors'] - }, + 'handlers': ['console', 'file', 'errors'], + 'level': 'DEBUG' + } } # Log some initial events, just to show that logging in the parent works # normally. |