Here are the examples of the python api twisted.logger.STDLibLogObserver taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
1 Examples
0
Source : logger.py
with Apache License 2.0
from matrix-org
with Apache License 2.0
from matrix-org
def _setup_stdlib_logging(
config: "HomeServerConfig", log_config_path: Optional[str], logBeginner: LogBeginner
) -> None:
"""
Set up Python standard library logging.
"""
if log_config_path is None:
log_format = (
"%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s"
" - %(message)s"
)
logger = logging.getLogger("")
logger.setLevel(logging.INFO)
logging.getLogger("synapse.storage.SQL").setLevel(logging.INFO)
formatter = logging.Formatter(log_format)
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addHandler(handler)
else:
# Load the logging configuration.
_load_logging_config(log_config_path)
# We add a log record factory that runs all messages through the
# LoggingContextFilter so that we get the context *at the time we log*
# rather than when we write to a handler. This can be done in config using
# filter options, but care must when using e.g. MemoryHandler to buffer
# writes.
log_context_filter = LoggingContextFilter()
log_metadata_filter = MetadataFilter({"server_name": config.server.server_name})
old_factory = logging.getLogRecordFactory()
def factory(*args: Any, **kwargs: Any) -> logging.LogRecord:
record = old_factory(*args, **kwargs)
log_context_filter.filter(record)
log_metadata_filter.filter(record)
return record
logging.setLogRecordFactory(factory)
# Route Twisted's native logging through to the standard library logging
# system.
observer = STDLibLogObserver()
threadlocal = threading.local()
@implementer(ILogObserver)
def _log(event: dict) -> None:
if "log_text" in event:
if event["log_text"].startswith("DNSDatagramProtocol starting on "):
return
if event["log_text"].startswith("(UDP Port "):
return
if event["log_text"].startswith("Timing out client"):
return
# this is a workaround to make sure we don't get stack overflows when the
# logging system raises an error which is written to stderr which is redirected
# to the logging system, etc.
if getattr(threadlocal, "active", False):
# write the text of the event, if any, to the *real* stderr (which may
# be redirected to /dev/null, but there's not much we can do)
try:
event_text = eventAsText(event)
print("logging during logging: %s" % event_text, file=sys.__stderr__)
except Exception:
# gah.
pass
return
try:
threadlocal.active = True
return observer(event)
finally:
threadlocal.active = False
logBeginner.beginLoggingTo([_log], redirectStandardIO=False)
def _load_logging_config(log_config_path: str) -> None: