Python logging.trace() Examples

The following are 7 code examples for showing how to use logging.trace(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: brozzler   Author: internetarchive   File: worker.py    License: Apache License 2.0 6 votes vote down vote up
def _service_heartbeat(self):
        if hasattr(self, "status_info"):
            status_info = self.status_info
        else:
            status_info = {
                "role": "brozzler-worker",
                "ttl": self.HEARTBEAT_INTERVAL * 3,
            }
        status_info["load"] = 1.0 * self._browser_pool.num_in_use() / self._browser_pool.size
        status_info["browser_pool_size"] = self._browser_pool.size
        status_info["browsers_in_use"] = self._browser_pool.num_in_use()

        try:
            self.status_info = self._service_registry.heartbeat(status_info)
            self.logger.trace(
                    "status in service registry: %s", self.status_info)
        except r.ReqlError as e:
            self.logger.error(
                    "failed to send heartbeat and update service registry "
                    "with info %s: %s", status_info, e) 
Example 2
Project: py-kms   Author: SystemRage   File: pykms_Misc.py    License: The Unlicense 5 votes vote down vote up
def add_logging_level(levelName, levelNum, methodName = None):
        """ Adds a new logging level to the `logging` module and the currently configured logging class.
        `levelName` becomes an attribute of the `logging` module with the value `levelNum`.
        `methodName` becomes a convenience method for both `logging` itself and the class returned by `logging.getLoggerClass()`
        (usually just `logging.Logger`). If `methodName` is not specified, `levelName.lower()` is used.

        To avoid accidental clobberings of existing attributes, this method will raise an `AttributeError` if the level name
        is already an attribute of the `logging` module or if the method name is already present .

        Example
        -------
        >>> add_logging_level('TRACE', logging.DEBUG - 5)
        >>> logging.getLogger(__name__).setLevel("TRACE")
        >>> logging.getLogger(__name__).trace('that worked')
        >>> logging.trace('so did this')
        >>> logging.TRACE
        5
        """

        if not methodName:
                methodName = levelName.lower()

        if hasattr(logging, levelName) or hasattr(logging, methodName) or hasattr(logging.getLoggerClass(), methodName):
                return

        def logForLevel(self, message, *args, **kwargs):
                if self.isEnabledFor(levelNum):
                        self._log(levelNum, message, args, **kwargs)
        def logToRoot(message, *args, **kwargs):
                logging.log(levelNum, message, *args, **kwargs)

        logging.addLevelName(levelNum, levelName)
        setattr(logging, levelName, levelNum)
        setattr(logging.getLoggerClass(), methodName, logForLevel)
        setattr(logging, methodName, logToRoot) 
Example 3
Project: IDArling   Author: IDArlingTeam   File: utils.py    License: GNU General Public License v3.0 5 votes vote down vote up
def start_logging(log_path, log_name, level):
    """
    Setup the logger: add a new log level, create a logger which logs into
    the console and also into a log files located at: logs/idarling.%pid%.log.
    """
    if log_name in _loggers:
        return _loggers[log_name]

    # Add a new log level called TRACE, and more verbose that DEBUG.
    logging.TRACE = 5
    logging.addLevelName(logging.TRACE, "TRACE")
    logging.Logger.trace = lambda inst, msg, *args, **kwargs: inst.log(
        logging.TRACE, msg, *args, **kwargs
    )
    logging.trace = lambda msg, *args, **kwargs: logging.log(
        logging.TRACE, msg, *args, **kwargs
    )

    logger = logging.getLogger(log_name)
    if not isinstance(level, int):
        level = getattr(logging, level)
    logger.setLevel(level)

    # Log to the console with a first format
    stream_handler = logging.StreamHandler()
    log_format = "[%(levelname)s] %(message)s"
    formatter = logging.Formatter(fmt=log_format)
    stream_handler.setFormatter(formatter)
    logger.addHandler(stream_handler)

    # Log to the disk with a second format
    file_handler = logging.FileHandler(log_path)
    log_format = "[%(asctime)s][%(levelname)s] %(message)s"
    formatter = logging.Formatter(fmt=log_format, datefmt="%H:%M:%S")
    file_handler.setFormatter(formatter)
    logger.addHandler(file_handler)

    _loggers[log_name] = logger
    return logger 
Example 4
Project: BiblioPixel   Author: ManiacalLabs   File: log.py    License: MIT License 4 votes vote down vote up
def _addLoggingLevel(levelName, levelNum, methodName=None):
    """
    Comprehensively adds a new logging level to the `logging` module and the
    currently configured logging class.

    `levelName` becomes an attribute of the `logging` module with the value
    `levelNum`. `methodName` becomes a convenience method for both `logging`
    itself and the class returned by `logging.getLoggerClass()` (usually just
    `logging.Logger`). If `methodName` is not specified, `levelName.lower()` is
    used.

    To avoid accidental clobberings of existing attributes, this method will
    raise an `AttributeError` if the level name is already an attribute of the
    `logging` module or if the method name is already present

    Example
    -------
    >>> addLoggingLevel('TRACE', logging.DEBUG - 5)
    >>> logging.getLogger(__name__).setLevel("TRACE")
    >>> logging.getLogger(__name__).trace('that worked')
    >>> logging.trace('so did this')
    >>> logging.TRACE
    5

    """
    if not methodName:
        methodName = levelName.lower()

    if hasattr(logging, levelName):
        raise AttributeError(
            '{} already defined in logging module'.format(levelName))
    if hasattr(logging, methodName):
        raise AttributeError(
            '{} already defined in logging module'.format(methodName))
    if hasattr(logging.getLoggerClass(), methodName):
        raise AttributeError(
            '{} already defined in logger class'.format(methodName))

    # This method was inspired by the answers to Stack Overflow post
    # http://stackoverflow.com/q/2183233/2988730, especially
    # http://stackoverflow.com/a/13638084/2988730
    def logForLevel(self, message, *args, **kwargs):
        if self.isEnabledFor(levelNum):
            self._log(levelNum, message, args, **kwargs)

    def logToRoot(message, *args, **kwargs):
        logging.log(levelNum, message, *args, **kwargs)

    logging.addLevelName(levelNum, levelName)
    setattr(logging, levelName, levelNum)
    setattr(logging.getLoggerClass(), methodName, logForLevel)
    setattr(logging, methodName, logToRoot) 
Example 5
Project: RAFCON   Author: DLR-RM   File: log.py    License: Eclipse Public License 1.0 4 votes vote down vote up
def add_logging_level(level_name, level_num, method_name=None):
    """Add new logging level

    Comprehensively adds a new logging level to the `logging` module and the currently configured logging class.

    `method_name` becomes a convenience method for both `logging` itself and the class returned by
    `logging.getLoggerClass()` (usually just `logging.Logger`). If `method_name` is not specified, `level_name.lower()`
    is used.

    :param str level_name: the level name
    :param int level_num: the level number/value
    :raises AttributeError: if the level
    name is already an attribute of the `logging` module or if the method name is already present

    Example
    -------
    >>> add_logging_level('TRACE', logging.DEBUG - 5)
    >>> logging.getLogger(__name__).setLevel("TRACE")
    >>> logging.getLogger(__name__).trace('that worked')
    >>> logging.trace('so did this')
    >>> logging.TRACE
    5

    """
    if not method_name:
        method_name = level_name.lower()

    if hasattr(logging, level_name):
        raise AttributeError('{} already defined in logging module'.format(level_name))
    if hasattr(logging, method_name):
        raise AttributeError('{} already defined in logging module'.format(method_name))
    if hasattr(logging.getLoggerClass(), method_name):
        raise AttributeError('{} already defined in logger class'.format(method_name))

    # This method was inspired by the answers to Stack Overflow post
    # http://stackoverflow.com/q/2183233/2988730, especially
    # http://stackoverflow.com/a/13638084/2988730
    def log_for_level(self, message, *args, **kwargs):
        if self.isEnabledFor(level_num):
            self._log(level_num, message, args, **kwargs)
    def log_to_root(message, *args, **kwargs):
        logging.log(level_num, message, *args, **kwargs)

    logging.addLevelName(level_num, level_name)
    setattr(logging, level_name, level_num)
    setattr(logging.getLoggerClass(), method_name, log_for_level)
    setattr(logging, method_name, log_to_root) 
Example 6
Project: brozzler   Author: internetarchive   File: worker.py    License: Apache License 2.0 4 votes vote down vote up
def run(self):
        self.logger.notice(
                'brozzler %s - brozzler-worker starting', brozzler.__version__)
        last_nothing_to_claim = 0
        try:
            while not self._shutdown.is_set():
                self._service_heartbeat_if_due()
                if time.time() - last_nothing_to_claim > 20:
                    try:
                        self._start_browsing_some_sites()
                    except brozzler.browser.NoBrowsersAvailable:
                        logging.trace(
                                "all %s browsers are in use",
                                self._max_browsers)
                    except brozzler.NothingToClaim:
                        last_nothing_to_claim = time.time()
                        logging.trace(
                                "nothing to claim, all available active sites "
                                "are already claimed by a brozzler worker")
                time.sleep(0.5)

            self.logger.notice("shutdown requested")
        except r.ReqlError as e:
            self.logger.error(
                    "caught rethinkdb exception, will try to proceed",
                    exc_info=True)
        except brozzler.ShutdownRequested:
            self.logger.info("shutdown requested")
        except:
            self.logger.critical(
                    "thread exiting due to unexpected exception",
                    exc_info=True)
        finally:
            if self._service_registry and hasattr(self, "status_info"):
                try:
                    self._service_registry.unregister(self.status_info["id"])
                except:
                    self.logger.error(
                            "failed to unregister from service registry",
                            exc_info=True)

            self.logger.info(
                    'shutting down %s brozzling threads',
                    len(self._browsing_threads))
            with self._browsing_threads_lock:
                for th in self._browsing_threads:
                    if th.is_alive():
                        brozzler.thread_raise(th, brozzler.ShutdownRequested)
            self._browser_pool.shutdown_now()
            # copy to avoid "RuntimeError: Set changed size during iteration"
            thredz = set(self._browsing_threads)
            for th in thredz:
                th.join() 
Example 7
Project: PyFlow   Author: wonderworks-software   File: LoggerTool.py    License: Apache License 2.0 4 votes vote down vote up
def addLoggingLevel(levelName, levelNum, methodName=None):
    """
    Comprehensively adds a new logging level to the `logging` module and the
    currently configured logging class.

    `levelName` becomes an attribute of the `logging` module with the value
    `levelNum`. `methodName` becomes a convenience method for both `logging`
    itself and the class returned by `logging.getLoggerClass()` (usually just
    `logging.Logger`). If `methodName` is not specified, `levelName.lower()` is
    used.

    To avoid accidental clobberings of existing attributes, this method will
    raise an `AttributeError` if the level name is already an attribute of the
    `logging` module or if the method name is already present

    Example
    -------
    >>> addLoggingLevel('TRACE', logging.DEBUG - 5)
    >>> logging.getLogger(__name__).setLevel("TRACE")
    >>> logging.getLogger(__name__).trace('that worked')
    >>> logging.trace('so did this')
    >>> logging.TRACE
    5

    """
    if not methodName:
        methodName = levelName.lower()

    if hasattr(logging, levelName):
        raise AttributeError('{} already defined in logging module'.format(levelName))
    if hasattr(logging, methodName):
        raise AttributeError('{} already defined in logging module'.format(methodName))
    if hasattr(logging.getLoggerClass(), methodName):
        raise AttributeError('{} already defined in logger class'.format(methodName))

    # This method was inspired by the answers to Stack Overflow post
    # http://stackoverflow.com/q/2183233/2988730, especially
    # http://stackoverflow.com/a/13638084/2988730
    def logForLevel(self, message, *args, **kwargs):
        if self.isEnabledFor(levelNum):
            self._log(levelNum, message, args, **kwargs)

    def logToRoot(message, *args, **kwargs):
        logging.log(levelNum, message, *args, **kwargs)

    logging.addLevelName(levelNum, levelName)
    setattr(logging, levelName, levelNum)
    setattr(logging.getLoggerClass(), methodName, logForLevel)
    setattr(logging, methodName, logToRoot)