136 lines
4.4 KiB
Python
136 lines
4.4 KiB
Python
import logging, os, sys, time
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# set up a simple catchall configuration for use during import time. some code
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# may log messages at import time and we don't want those to get completely
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# thrown away. we'll clear this out when actual configuration takes place.
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logging.basicConfig(level=logging.DEBUG)
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class AllowBelowSeverity(logging.Filter):
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"""
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Allows only records less severe than a given level (the opposite of what
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the normal logging level filtering does.
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"""
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def __init__(self, level):
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self.level = level
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def filter(self, record):
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return record.levelno < self.level
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class LoggingConfig(object):
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global_level = logging.DEBUG
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stdout_level = logging.INFO
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stderr_level = logging.ERROR
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FILE_FORMAT = ('%(asctime)s.%(msecs)03d %(levelname)-5.5s|%(module)18.18s:'
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'%(lineno)4.4d| %(message)s')
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file_formatter = logging.Formatter(
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fmt=FILE_FORMAT, datefmt='%m/%d %H:%M:%S')
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CONSOLE_FORMAT = '%(asctime)s %(levelname)-5.5s| %(message)s'
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console_formatter = logging.Formatter(
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fmt=CONSOLE_FORMAT, datefmt='%H:%M:%S')
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def __init__(self, use_console=True):
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self.logger = logging.getLogger()
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self.global_level = logging.DEBUG
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self.use_console = use_console
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@classmethod
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def get_timestamped_log_name(cls, base_name):
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return '%s.log.%s' % (base_name, time.strftime('%Y-%m-%d-%H.%M.%S'))
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@classmethod
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def get_autotest_root(cls):
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common_lib_dir = os.path.dirname(__file__)
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return os.path.abspath(os.path.join(common_lib_dir, '..', '..'))
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@classmethod
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def get_server_log_dir(cls):
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return os.path.join(cls.get_autotest_root(), 'logs')
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def add_stream_handler(self, stream, level=logging.DEBUG, datefmt=None):
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handler = logging.StreamHandler(stream)
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handler.setLevel(level)
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formatter = self.console_formatter
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if datefmt:
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formatter = logging.Formatter(fmt=self.CONSOLE_FORMAT,
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datefmt=datefmt)
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handler.setFormatter(formatter)
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self.logger.addHandler(handler)
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return handler
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def add_console_handlers(self, datefmt=None):
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stdout_handler = self.add_stream_handler(
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sys.stdout, level=self.stdout_level, datefmt=datefmt)
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# only pass records *below* STDERR_LEVEL to stdout, to avoid duplication
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stdout_handler.addFilter(AllowBelowSeverity(self.stderr_level))
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self.add_stream_handler(sys.stderr, self.stderr_level, datefmt)
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def add_file_handler(self, file_path, level=logging.DEBUG, log_dir=None,
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datefmt=None):
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if log_dir:
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file_path = os.path.join(log_dir, file_path)
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handler = logging.FileHandler(file_path)
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handler.setLevel(level)
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formatter = self.file_formatter
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if datefmt:
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formatter = logging.Formatter(fmt=self.FILE_FORMAT, datefmt=datefmt)
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handler.setFormatter(formatter)
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self.logger.addHandler(handler)
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return handler
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def _add_file_handlers_for_all_levels(self, log_dir, log_name):
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for level in (logging.DEBUG, logging.INFO, logging.WARNING,
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logging.ERROR):
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file_name = '%s.%s' % (log_name, logging.getLevelName(level))
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self.add_file_handler(file_name, level=level, log_dir=log_dir)
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def add_debug_file_handlers(self, log_dir, log_name=None):
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raise NotImplementedError
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def _clear_all_handlers(self):
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for handler in list(self.logger.handlers):
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self.logger.removeHandler(handler)
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# Attempt to close the handler. If it's already closed a KeyError
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# will be generated. http://bugs.python.org/issue8581
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try:
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handler.close()
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except KeyError:
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pass
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def configure_logging(self, use_console=True, verbose=False, datefmt=None):
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self._clear_all_handlers() # see comment at top of file
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self.logger.setLevel(self.global_level)
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if verbose:
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self.stdout_level = logging.DEBUG
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if use_console:
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self.add_console_handlers(datefmt)
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class TestingConfig(LoggingConfig):
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def add_stream_handler(self, *args, **kwargs):
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pass
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def add_file_handler(self, *args, **kwargs):
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pass
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def configure_logging(self, **kwargs):
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pass
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