Python logging._acquireLock方法代码示例

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def SetLogPrefix(prefix):
  """Adds a prefix to the log handler to identify the process.

  Args:
    prefix: The prefix string to append at the beginning of each line.
  """
  formatter = logging.Formatter(
      str(prefix) + ' [%(filename)s:%(lineno)d] %(levelname)s %(message)s')
  logging._acquireLock()
  try:
    for handler in logging._handlerList:
      if isinstance(handler, weakref.ref):
        handler = handler()
      if handler:
        handler.setFormatter(formatter)
  finally:
    logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def tearDown(self):
        """Remove our logging stream, and restore the original logging
        level."""
        self.stream.close()
        self.root_logger.removeHandler(self.root_hdlr)
        while self.root_logger.handlers:
            h = self.root_logger.handlers[0]
            self.root_logger.removeHandler(h)
            h.close()
        self.root_logger.setLevel(self.original_logging_level)
        logging._acquireLock()
        try:
            logging._levelNames.clear()
            logging._levelNames.update(self.saved_level_names)
            logging._handlers.clear()
            logging._handlers.update(self.saved_handlers)
            logging._handlerList[:] = self.saved_handler_list
            loggerDict = logging.getLogger().manager.loggerDict
            loggerDict.clear()
            loggerDict.update(self.saved_loggers)
        finally:
            logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def revision_add_handler(self, hdlr):  # 从添加源头阻止同一个logger添加同类型的handler。
    """
    Add the specified handler to this logger.
    """
    logging._acquireLock()

    try:
        """ 官方的
        if not (hdlr in self.handlers):
            self.handlers.append(hdlr)
        """
        hdlrx_type_set = set()
        for hdlrx in self.handlers:
            hdlrx_type = type(hdlrx)
            if hdlrx_type == logging.StreamHandler:  # REMIND 因为很多handler都是继承自StreamHandler，包括filehandler，直接判断会逻辑出错。
                hdlrx_type = ColorHandler
            hdlrx_type_set.add(hdlrx_type)

        hdlr_type = type(hdlr)
        if hdlr_type == logging.StreamHandler:
            hdlr_type = ColorHandler
        if hdlr_type not in hdlrx_type_set:
            self.handlers.append(hdlr)
    finally:
        logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
    """
    Read the logging configuration from a ConfigParser-format file.

    This can be called several times from an application, allowing an end user
    the ability to select from various pre-canned configurations (if the
    developer provides a mechanism to present the choices and load the chosen
    configuration).
    """
    import configparser

    cp = configparser.ConfigParser(defaults)
    if hasattr(fname, 'readline'):
        cp.read_file(fname)
    else:
        cp.read(fname)

    formatters = _create_formatters(cp)

    # critical section
    logging._acquireLock()
    try:
        logging._handlers.clear()
        del logging._handlerList[:]
        # Handlers add themselves to logging._handlers
        handlers = _install_handlers(cp, formatters)
        _install_loggers(cp, handlers, disable_existing_loggers)
    finally:
        logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def stopListening():
    """
    Stop the listening server which was created with a call to listen().
    """
    global _listener
    logging._acquireLock()
    try:
        if _listener:
            _listener.abort = 1
            _listener = None
    finally:
        logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def get_logger():
    '''
    Returns logger used by multiprocessing
    '''
    global _logger
    import logging

    logging._acquireLock()
    try:
        if not _logger:

            _logger = logging.getLogger(LOGGER_NAME)
            _logger.propagate = 0
            logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
            logging.addLevelName(SUBWARNING, 'SUBWARNING')

            # XXX multiprocessing should cleanup before logging
            if hasattr(atexit, 'unregister'):
                atexit.unregister(_exit_function)
                atexit.register(_exit_function)
            else:
                atexit._exithandlers.remove((_exit_function, (), {}))
                atexit._exithandlers.append((_exit_function, (), {}))

    finally:
        logging._releaseLock()

    return _logger 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
    """
    Read the logging configuration from a ConfigParser-format file.

    This can be called several times from an application, allowing an end user
    the ability to select from various pre-canned configurations (if the
    developer provides a mechanism to present the choices and load the chosen
    configuration).
    """
    import ConfigParser

    cp = ConfigParser.ConfigParser(defaults)
    if hasattr(fname, 'readline'):
        cp.readfp(fname)
    else:
        cp.read(fname)

    formatters = _create_formatters(cp)

    # critical section
    logging._acquireLock()
    try:
        logging._handlers.clear()
        del logging._handlerList[:]
        # Handlers add themselves to logging._handlers
        handlers = _install_handlers(cp, formatters)
        _install_loggers(cp, handlers, disable_existing_loggers)
    finally:
        logging._releaseLock() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def __init__(self, host='localhost', port=DEFAULT_LOGGING_CONFIG_PORT,
                     handler=None, ready=None):
            ThreadingTCPServer.__init__(self, (host, port), handler)
            logging._acquireLock()
            self.abort = 0
            logging._releaseLock()
            self.timeout = 1
            self.ready = ready 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def serve_until_stopped(self):
            import select
            abort = 0
            while not abort:
                rd, wr, ex = select.select([self.socket.fileno()],
                                           [], [],
                                           self.timeout)
                if rd:
                    self.handle_request()
                logging._acquireLock()
                abort = self.abort
                logging._releaseLock()
            self.socket.close() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def run(self):
            server = self.rcvr(port=self.port, handler=self.hdlr,
                               ready=self.ready)
            if self.port == 0:
                self.port = server.server_address[1]
            self.ready.set()
            global _listener
            logging._acquireLock()
            _listener = server
            logging._releaseLock()
            server.serve_until_stopped() 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def setUp(self):
        """Setup the default logging stream to an internal StringIO instance,
        so that we can examine log output as we want."""
        logger_dict = logging.getLogger().manager.loggerDict
        logging._acquireLock()
        try:
            self.saved_handlers = logging._handlers.copy()
            self.saved_handler_list = logging._handlerList[:]
            self.saved_loggers = logger_dict.copy()
            self.saved_level_names = logging._levelNames.copy()
        finally:
            logging._releaseLock()

        # Set two unused loggers: one non-ASCII and one Unicode.
        # This is to test correct operation when sorting existing
        # loggers in the configuration code. See issue 8201.
        logging.getLogger("\xab\xd7\xbb")
        logging.getLogger(u"\u013f\u00d6\u0047")

        self.root_logger = logging.getLogger("")
        self.original_logging_level = self.root_logger.getEffectiveLevel()

        self.stream = cStringIO.StringIO()
        self.root_logger.setLevel(logging.DEBUG)
        self.root_hdlr = logging.StreamHandler(self.stream)
        self.root_formatter = logging.Formatter(self.log_format)
        self.root_hdlr.setFormatter(self.root_formatter)
        self.root_logger.addHandler(self.root_hdlr) 

# 需要导入模块: import logging [as 别名]
# 或者: from logging import _acquireLock [as 别名]
def get_logger():
    '''
    Returns logger used by multiprocessing
    '''
    global _logger
    import logging, atexit

    logging._acquireLock()
    try:
        if not _logger:

            _logger = logging.getLogger(LOGGER_NAME)
            _logger.propagate = 0
            logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
            logging.addLevelName(SUBWARNING, 'SUBWARNING')

            # XXX multiprocessing should cleanup before logging
            if hasattr(atexit, 'unregister'):
                atexit.unregister(_exit_function)
                atexit.register(_exit_function)
            else:
                atexit._exithandlers.remove((_exit_function, (), {}))
                atexit._exithandlers.append((_exit_function, (), {}))

    finally:
        logging._releaseLock()

    return _logger