Python logging.root() Examples

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def update_logger(self, logger: logging.Logger=None):
        if logger is None:
            logger = logging.root

        self._log_level = self.log_level if isinstance(self.log_level, int) else logging.getLevelName(self.log_level)

        if logger is logging.root:
            self._log_format = self.log_format.format(
                PEER_ID=self.peer_id[:8] if self.peer_id != "RadioStation" else self.peer_id,
                CHANNEL_NAME=self.channel_name
            )

            self._update_log_output_type()
            self._update_handlers(logger)

            if self.log_color:
                self._update_log_color_set(logger)
                for handler in logger.handlers:
                    if isinstance(handler, logging.StreamHandler):
                        handler.addFilter(self._root_stream_filter)
        else:
            logger.setLevel(self._log_level)

        if self.log_monitor:
            sender.setup('loopchain', host=self.log_monitor_host, port=self.log_monitor_port) 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def _handle_existing_loggers(existing, child_loggers, disable_existing):
    """
    When (re)configuring logging, handle loggers which were in the previous
    configuration but are not in the new configuration. There's no point
    deleting them as other threads may continue to hold references to them;
    and by disabling them, you stop them doing any logging.

    However, don't disable children of named loggers, as that's probably not
    what was intended by the user. Also, allow existing loggers to NOT be
    disabled if disable_existing is false.
    """
    root = logging.root
    for log in existing:
        logger = root.manager.loggerDict[log]
        if log in child_loggers:
            logger.level = logging.NOTSET
            logger.handlers = []
            logger.propagate = True
        else:
            logger.disabled = disable_existing 

def _test_log(self, method, level=None):
        called = []
        support.patch(self, logging, 'basicConfig',
                      lambda *a, **kw: called.append((a, kw)))

        recording = RecordingHandler()
        logging.root.addHandler(recording)

        log_method = getattr(logging, method)
        if level is not None:
            log_method(level, "test me: %r", recording)
        else:
            log_method("test me: %r", recording)

        self.assertEqual(len(recording.records), 1)
        record = recording.records[0]
        self.assertEqual(record.getMessage(), "test me: %r" % recording)

        expected_level = level if level is not None else getattr(logging, method.upper())
        self.assertEqual(record.levelno, expected_level)

        # basicConfig was not called!
        self.assertEqual(called, []) 

def test_no_kwargs(self):
        logging.basicConfig()

        # handler defaults to a StreamHandler to sys.stderr
        self.assertEqual(len(logging.root.handlers), 1)
        handler = logging.root.handlers[0]
        self.assertIsInstance(handler, logging.StreamHandler)
        self.assertEqual(handler.stream, sys.stderr)

        formatter = handler.formatter
        # format defaults to logging.BASIC_FORMAT
        self.assertEqual(formatter._style._fmt, logging.BASIC_FORMAT)
        # datefmt defaults to None
        self.assertIsNone(formatter.datefmt)
        # style defaults to %
        self.assertIsInstance(formatter._style, logging.PercentStyle)

        # level is not explicitly set
        self.assertEqual(logging.root.level, self.original_logging_level) 

def test_handlers(self):
        handlers = [
            logging.StreamHandler(),
            logging.StreamHandler(sys.stdout),
            logging.StreamHandler(),
        ]
        f = logging.Formatter()
        handlers[2].setFormatter(f)
        logging.basicConfig(handlers=handlers)
        self.assertIs(handlers[0], logging.root.handlers[0])
        self.assertIs(handlers[1], logging.root.handlers[1])
        self.assertIs(handlers[2], logging.root.handlers[2])
        self.assertIsNotNone(handlers[0].formatter)
        self.assertIsNotNone(handlers[1].formatter)
        self.assertIs(handlers[2].formatter, f)
        self.assertIs(handlers[0].formatter, handlers[1].formatter) 

def _test_log(self, method, level=None):
        # logging.root has no handlers so basicConfig should be called
        called = []

        old_basic_config = logging.basicConfig
        def my_basic_config(*a, **kw):
            old_basic_config()
            old_level = logging.root.level
            logging.root.setLevel(100)  # avoid having messages in stderr
            self.addCleanup(logging.root.setLevel, old_level)
            called.append((a, kw))

        support.patch(self, logging, 'basicConfig', my_basic_config)

        log_method = getattr(logging, method)
        if level is not None:
            log_method(level, "test me")
        else:
            log_method("test me")

        # basicConfig was called with no arguments
        self.assertEqual(called, [((), {})]) 

def _handle_existing_loggers(existing, child_loggers, disable_existing):
    """
    When (re)configuring logging, handle loggers which were in the previous
    configuration but are not in the new configuration. There's no point
    deleting them as other threads may continue to hold references to them;
    and by disabling them, you stop them doing any logging.

    However, don't disable children of named loggers, as that's probably not
    what was intended by the user. Also, allow existing loggers to NOT be
    disabled if disable_existing is false.
    """
    root = logging.root
    for log in existing:
        logger = root.manager.loggerDict[log]
        if log in child_loggers:
            logger.level = logging.NOTSET
            logger.handlers = []
            logger.propagate = True
        else:
            logger.disabled = disable_existing 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def _handle_existing_loggers(existing, child_loggers, disable_existing):
    """
    When (re)configuring logging, handle loggers which were in the previous
    configuration but are not in the new configuration. There's no point
    deleting them as other threads may continue to hold references to them;
    and by disabling them, you stop them doing any logging.

    However, don't disable children of named loggers, as that's probably not
    what was intended by the user. Also, allow existing loggers to NOT be
    disabled if disable_existing is false.
    """
    root = logging.root
    for log in existing:
        logger = root.manager.loggerDict[log]
        if log in child_loggers:
            logger.level = logging.NOTSET
            logger.handlers = []
            logger.propagate = True
        else:
            logger.disabled = disable_existing 

def common_logger_config(self, logger, config, incremental=False):
        """
        Perform configuration which is common to root and non-root loggers.
        """
        level = config.get('level', None)
        if level is not None:
            logger.setLevel(logging._checkLevel(level))
        if not incremental:
            #Remove any existing handlers
            for h in logger.handlers[:]:
                logger.removeHandler(h)
            handlers = config.get('handlers', None)
            if handlers:
                self.add_handlers(logger, handlers)
            filters = config.get('filters', None)
            if filters:
                self.add_filters(logger, filters) 

def _handle_existing_loggers(existing, child_loggers, disable_existing):
    """
    When (re)configuring logging, handle loggers which were in the previous
    configuration but are not in the new configuration. There's no point
    deleting them as other threads may continue to hold references to them;
    and by disabling them, you stop them doing any logging.

    However, don't disable children of named loggers, as that's probably not
    what was intended by the user. Also, allow existing loggers to NOT be
    disabled if disable_existing is false.
    """
    root = logging.root
    for log in existing:
        logger = root.manager.loggerDict[log]
        if log in child_loggers:
            logger.level = logging.NOTSET
            logger.handlers = []
            logger.propagate = True
        else:
            logger.disabled = disable_existing 

def test_config4_ok(self):
        # A config file specifying a custom formatter class.
        with support.captured_stdout() as output:
            self.apply_config(self.config4)
            logger = logging.getLogger()
            try:
                raise RuntimeError()
            except RuntimeError:
                logging.exception("just testing")
            sys.stdout.seek(0)
            self.assertEqual(output.getvalue(),
                "ERROR:root:just testing\nGot a [RuntimeError]\n")
            # Original logger output is empty
            self.assert_log_lines([]) 

def configure_root(self, config, incremental=False):
        """Configure a root logger from a dictionary."""
        root = logging.getLogger()
        self.common_logger_config(root, config, incremental) 

def configure_logger(self, name, config, incremental=False):
        """Configure a non-root logger from a dictionary."""
        logger = logging.getLogger(name)
        self.common_logger_config(logger, config, incremental)
        propagate = config.get('propagate', None)
        if propagate is not None:
            logger.propagate = propagate 

def test_disable(self):
        old_disable = logging.root.manager.disable
        # confirm our assumptions are correct
        self.assertEqual(old_disable, 0)
        self.addCleanup(logging.disable, old_disable)

        logging.disable(83)
        self.assertEqual(logging.root.manager.disable, 83) 

def test_cli_entrypoint_print_help(monkeypatch: Any, capsys: Any) -> None:
    cli = tomodachi.cli.CLI()
    monkeypatch.setattr(logging.root, 'handlers', [])

    with pytest.raises(SystemExit):
        tomodachi.cli.cli_entrypoint(['tomodachi', '-h'])

    out, err = capsys.readouterr()
    assert err == ''
    assert out == cli.help_command_usage() + "\n" 

def tearDown(self):
        for h in logging.root.handlers[:]:
            logging.root.removeHandler(h)
            h.close()
        super(BasicConfigTest, self).tearDown() 

def cleanup(self):
        setattr(logging.root, 'handlers', self.handlers)
        logging._handlers.clear()
        logging._handlers.update(self.saved_handlers)
        logging._handlerList[:] = self.saved_handler_list
        logging.root.level = self.original_logging_level 

def test_cli_entrypoint_no_arguments(monkeypatch: Any, capsys: Any) -> None:
    cli = tomodachi.cli.CLI()
    monkeypatch.setattr(logging.root, 'handlers', [])

    with pytest.raises(SystemExit):
        tomodachi.cli.cli_entrypoint()

    out, err = capsys.readouterr()
    assert err == ''
    assert out == cli.help_command_usage() + "\n" 

def test_strformatstyle(self):
        with support.captured_stdout() as output:
            logging.basicConfig(stream=sys.stdout, style="{")
            logging.error("Log an error")
            sys.stdout.seek(0)
            self.assertEqual(output.getvalue().strip(),
                "ERROR:root:Log an error") 

def test_stringtemplatestyle(self):
        with support.captured_stdout() as output:
            logging.basicConfig(stream=sys.stdout, style="$")
            logging.error("Log an error")
            sys.stdout.seek(0)
            self.assertEqual(output.getvalue().strip(),
                "ERROR:root:Log an error") 

def test_last_resort(self):
        # Test the last resort handler
        root = self.root_logger
        root.removeHandler(self.root_hdlr)
        old_lastresort = logging.lastResort
        old_raise_exceptions = logging.raiseExceptions

        try:
            with support.captured_stderr() as stderr:
                root.debug('This should not appear')
                self.assertEqual(stderr.getvalue(), '')
                root.warning('Final chance!')
                self.assertEqual(stderr.getvalue(), 'Final chance!\n')

            # No handlers and no last resort, so 'No handlers' message
            logging.lastResort = None
            with support.captured_stderr() as stderr:
                root.warning('Final chance!')
                msg = 'No handlers could be found for logger "root"\n'
                self.assertEqual(stderr.getvalue(), msg)

            # 'No handlers' message only printed once
            with support.captured_stderr() as stderr:
                root.warning('Final chance!')
                self.assertEqual(stderr.getvalue(), '')

            # If raiseExceptions is False, no message is printed
            root.manager.emittedNoHandlerWarning = False
            logging.raiseExceptions = False
            with support.captured_stderr() as stderr:
                root.warning('Final chance!')
                self.assertEqual(stderr.getvalue(), '')
        finally:
            root.addHandler(self.root_hdlr)
            logging.lastResort = old_lastresort
            logging.raiseExceptions = old_raise_exceptions