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Viewing changes to lib/lp/services/twistedsupport/loggingsupport.py

Merged db-devel into replication.

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lib/lp/services/twistedsupport/loggingsupport.py
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__metaclass__ = type
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__all__ = [
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    'LaunchpadLogFile',
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    'OOPSLoggingObserver',
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    'log_oops_from_failure',
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    'set_up_logging_for_script',
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    'set_up_oops_reporting',
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    'set_up_tacfile_logging',
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import signal
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import sys
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import oops_twisted
 
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from oops_twisted import OOPSObserver
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from twisted.python import (
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    log,
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    logfile,
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from canonical.librarian.utils import copy_and_close
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class OOPSLoggingObserver(log.PythonLoggingObserver):
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    """A version of `PythonLoggingObserver` that logs OOPSes for errors."""
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    # XXX: JonathanLange 2008-12-23 bug=314959: As best as I can tell, this
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    # ought to be a log *handler*, not a feature of the bridge from
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    # Twisted->Python logging. Ask Michael about this.
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    def emit(self, eventDict):
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        """See `PythonLoggingObserver.emit`."""
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        if eventDict.get('isError', False) and 'failure' in eventDict:
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            try:
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                failure = eventDict['failure']
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                request = log_oops_from_failure(failure)
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                self.logger.info(
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                    "Logged OOPS id %s: %s: %s",
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                    request.oopsid, failure.type.__name__, failure.value)
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            except:
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                self.logger.exception("Error reporting OOPS:")
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        else:
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            log.PythonLoggingObserver.emit(self, eventDict)
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def log_oops_from_failure(failure, URL=None, **args):
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    request = errorlog.ScriptRequest(args.items(), URL=URL)
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    errorlog.globalErrorUtility.raising(
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        (failure.type, failure.value, failure.getTraceback()),
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        request)
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    return request
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def set_up_logging_for_script(options, name):
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    """Create a `Logger` object and configure twisted to use it.
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    return logger
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def set_up_oops_reporting(configuration, name, mangle_stdout=True):
 
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def set_up_oops_reporting(name, configuration, mangle_stdout=True):
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    """Set up OOPS reporting by starting the Twisted logger with an observer.
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    :param name: The name of the logger to use for oops reporting.
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    :param configuration: The name of the config section to use for oops
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        reporting.
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    :param name: The name of the logger to use for oops reporting.
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    :param mangle_stdout: If True, send stdout and stderr to the logger.
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        Defaults to False.
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    """
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    errorlog.globalErrorUtility.configure(configuration)
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    log.startLoggingWithObserver(
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        OOPSLoggingObserver(loggerName=name).emit, mangle_stdout)
 
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    errorlog.globalErrorUtility.configure(
 
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        configuration,
 
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        config_factory=oops_twisted.Config,
 
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        publisher_adapter=oops_twisted.defer_publisher)
 
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    oops_observer = OOPSObserver(errorlog.globalErrorUtility._oops_config,
 
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        log.PythonLoggingObserver(loggerName=name).emit)
 
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    log.startLoggingWithObserver(oops_observer.emit, mangle_stdout)
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class LaunchpadLogFile(DailyLogFile):