Python logging.ERROR Examples

def parse_args():
    parser = argparse.ArgumentParser(description = "Bass")
    parser.add_argument("-v", "--verbose", action = "count", default = 0, help = "Increase verbosity")
    parser.add_argument("samples", metavar = "sample", nargs = "+", help = "Sample path") 

    args = parser.parse_args()

    try:
        loglevel = {
            0: logging.ERROR,
            1: logging.WARN,
            2: logging.INFO
        }[args.verbose]
    except KeyError:
        loglevel = logging.DEBUG

    logging.basicConfig(level = loglevel)
    logging.getLogger().setLevel(loglevel)

    return args 

def parse_args():
    parser = argparse.ArgumentParser(description = "Add samples to BASS whitelist")
    parser.add_argument("-v", "--verbose", action = "count", default = 0, help = "Increase verbosity")
    parser.add_argument("--url", type = str, default = "http://localhost:5000", help = "URL of BASS server")
    parser.add_argument("sample", help = "Whitelist sample")

    args = parser.parse_args()

    try:
        loglevel = {
            0: logging.ERROR,
            1: logging.WARN,
            2: logging.INFO}[args.verbose]
    except KeyError:
        loglevel = logging.DEBUG
    logging.basicConfig(level = loglevel)
    logging.getLogger().setLevel(loglevel)

    return args 

def parse_args():
    parser = argparse.ArgumentParser(description = "Find common ngrams in binary files")
    parser.add_argument("-v", "--verbose", action = "count", default = 0, help = "Increase verbosity")
    parser.add_argument("--output", type = str, default = None, help = "Output to file instead of stdout")
    parser.add_argument("--url", type = str, default = "http://localhost:5000", help = "URL of BASS server")
    parser.add_argument("samples", metavar = "sample", nargs = "+", help = "Cluster samples")

    args = parser.parse_args()

    try:
        loglevel = {
            0: logging.ERROR,
            1: logging.WARN,
            2: logging.INFO}[args.verbose]
    except KeyError:
        loglevel = logging.DEBUG
    logging.basicConfig(level = loglevel)
    logging.getLogger().setLevel(loglevel)

    return args 

def index():
    if not "last_format" in session:
        session["last_format"] = "svg"
        session.permanent = True

    try:
        variantDescription = str(dataHub.variant).replace("::", " ").replace("-", "–")
        return render_template('index.html',
            samples=list(dataHub.samples.keys()), 
            annotations=dataHub.annotationSets,
            results_table=dataHub.getCounts(),
            insertSizeDistributions=[sample.name for sample in dataHub if sample.insertSizePlot], 
            dotplots=dataHub.dotplots,
            variantDescription=variantDescription)
    except Exception as e:
        logging.error("ERROR:{}".format(e))
        raise 

def init_app(cls, app):
        Config.init_app(app)

        # email errors to the administrators
        import logging
        from logging.handlers import SMTPHandler
        credentials = None
        secure = None
        if getattr(cls, 'MAIL_USERNAME', None) is not None:
            credentials = (cls.MAIL_USERNAME, cls.MAIL_PASSWORD)
            if getattr(cls, 'MAIL_USE_TLS', None):
                secure = ()
        mail_handler = SMTPHandler(
            mailhost=(cls.MAIL_SERVER, cls.MAIL_PORT),
            fromaddr=cls.CIRCULATE_MAIL_SENDER,
            toaddrs=[cls.CIRCULATE_ADMIN],
            subject=cls.CIRCULATE_MAIL_SUBJECT_PREFIX + ' Application Error',
            credentials=credentials,
            secure=secure)
        mail_handler.setLevel(logging.ERROR)
        app.logger.addHandler(mail_handler) 

def lambda_handler(event, context):
    logger = logging.getLogger()

    if logger.handlers:
        for handler in logger.handlers:
            logger.removeHandler(handler)

    # change logging levels for boto and others
    logging.getLogger("boto3").setLevel(logging.ERROR)
    logging.getLogger("botocore").setLevel(logging.ERROR)
    logging.getLogger("urllib3").setLevel(logging.ERROR)

    # set logging format
    logging.basicConfig(
        format="[%(levelname)s] %(message)s (%(filename)s, %(funcName)s(), line %(lineno)d)",
        level=os.environ.get("LOGLEVEL", "WARNING").upper(),
    )

    # instantiate class
    retry = Retry(logging)

    # run functions
    retry.retry_security_events() 

def set_level(self, level):
		"""
		Set the minimum level of messages to be logged.

		Level of Log Messages
		CRITICAL	50
		ERROR	40
		WARNING	30
		INFO	20
		DEBUG	10
		NOTSET	0

		@param level: minimum level of messages to be logged
		@type level: int or long

		@return: None
		@rtype: None
		"""
		assert level in self._levelNames

		list_of_handlers = self._logger.handlers
		for handler in list_of_handlers:
			handler.setLevel(level) 

def set_level(self, level):
        """
        Set the minimum level of messages to be logged.

        Level of Log Messages
        CRITICAL    50
        ERROR    40
        WARNING    30
        INFO    20
        DEBUG    10
        NOTSET    0

        @param level: minimum level of messages to be logged
        @type level: int or long

        @return: None
        @rtype: None
        """
        assert level in self._levelNames

        list_of_handlers = self._logger.handlers
        for handler in list_of_handlers:
            handler.setLevel(level) 

def test_middleware_response_raise_cancelled_error(app, caplog):
    app.config.RESPONSE_TIMEOUT = 1

    @app.middleware("response")
    async def process_response(request, response):
        raise CancelledError("CancelledError at response middleware")

    @app.get("/")
    def handler(request):
        return text("OK")

    with caplog.at_level(logging.ERROR):
        reqrequest, response = app.test_client.get("/")

        assert response.status == 503
        assert (
            "sanic.root",
            logging.ERROR,
            "Exception occurred while handling uri: 'http://127.0.0.1:42101/'",
        ) not in caplog.record_tuples 

def test_middleware_response_raise_exception(app, caplog):
    @app.middleware("response")
    async def process_response(request, response):
        raise Exception("Exception at response middleware")

    with caplog.at_level(logging.ERROR):
        reqrequest, response = app.test_client.get("/fail")

    assert response.status == 404
    # 404 errors are not logged
    assert (
        "sanic.root",
        logging.ERROR,
        "Exception occurred while handling uri: 'http://127.0.0.1:42101/'",
    ) not in caplog.record_tuples
    # Middleware exception ignored but logged
    assert (
        "sanic.error",
        logging.ERROR,
        "Exception occurred in one of response middleware handlers",
    ) in caplog.record_tuples 

def test_request_parsing_form_failed(app, caplog):
    @app.route("/", methods=["POST"])
    async def handler(request):
        return text("OK")

    payload = "test=OK"
    headers = {"content-type": "multipart/form-data"}

    request, response = app.test_client.post(
        "/", data=payload, headers=headers
    )

    with caplog.at_level(logging.ERROR):
        request.form

    assert caplog.record_tuples[-1] == (
        "sanic.error",
        logging.ERROR,
        "Failed when parsing form",
    ) 

def test_request_parsing_form_failed_asgi(app, caplog):
    @app.route("/", methods=["POST"])
    async def handler(request):
        return text("OK")

    payload = "test=OK"
    headers = {"content-type": "multipart/form-data"}

    request, response = await app.asgi_client.post(
        "/", data=payload, headers=headers
    )

    with caplog.at_level(logging.ERROR):
        request.form

    assert caplog.record_tuples[-1] == (
        "sanic.error",
        logging.ERROR,
        "Failed when parsing form",
    ) 

def test_handle_request_with_nested_sanic_exception(app, monkeypatch, caplog):

    # Not sure how to raise an exception in app.error_handler.response(), use mock here
    def mock_error_handler_response(*args, **kwargs):
        raise SanicException("Mock SanicException")

    monkeypatch.setattr(
        app.error_handler, "response", mock_error_handler_response
    )

    @app.get("/")
    def handler(request):
        raise Exception

    with caplog.at_level(logging.ERROR):
        request, response = app.test_client.get("/")
    port = request.server_port
    assert port > 0
    assert response.status == 500
    assert "Mock SanicException" in response.text
    assert (
        "sanic.root",
        logging.ERROR,
        f"Exception occurred while handling uri: 'http://127.0.0.1:{port}/'",
    ) in caplog.record_tuples 

def __init__(self, appname, dllname=None, logtype="Application"):
        logging.Handler.__init__(self)
        try:
            import win32evtlogutil, win32evtlog
            self.appname = appname
            self._welu = win32evtlogutil
            if not dllname:
                dllname = os.path.split(self._welu.__file__)
                dllname = os.path.split(dllname[0])
                dllname = os.path.join(dllname[0], r'win32service.pyd')
            self.dllname = dllname
            self.logtype = logtype
            self._welu.AddSourceToRegistry(appname, dllname, logtype)
            self.deftype = win32evtlog.EVENTLOG_ERROR_TYPE
            self.typemap = {
                logging.DEBUG   : win32evtlog.EVENTLOG_INFORMATION_TYPE,
                logging.INFO    : win32evtlog.EVENTLOG_INFORMATION_TYPE,
                logging.WARNING : win32evtlog.EVENTLOG_WARNING_TYPE,
                logging.ERROR   : win32evtlog.EVENTLOG_ERROR_TYPE,
                logging.CRITICAL: win32evtlog.EVENTLOG_ERROR_TYPE,
         }
        except ImportError:
            print("The Python Win32 extensions for NT (service, event "\
                        "logging) appear not to be available.")
            self._welu = None 

def format(self, record):
        date = colored('[%(asctime)s @%(filename)s:%(lineno)d]', 'green')
        msg = '%(message)s'
        if record.levelno == logging.WARNING:
            fmt = date + ' ' + colored('WRN', 'red', attrs=['blink']) + ' ' + msg
        elif record.levelno == logging.ERROR or record.levelno == logging.CRITICAL:
            fmt = date + ' ' + colored('ERR', 'red', attrs=['blink', 'underline']) + ' ' + msg
        elif record.levelno == logging.DEBUG:
            fmt = date + ' ' + colored('DBG', 'yellow', attrs=['blink']) + ' ' + msg
        else:
            fmt = date + ' ' + msg
        if hasattr(self, '_style'):
            # Python3 compatibility
            self._style._fmt = fmt
        self._fmt = fmt
        return super(_MyFormatter, self).format(record) 

def _parse_content(self, endpoint_id, content):
        """Parse content returned from REST
        :param content: a JSON string returned from REST.
        """
        try:
            content = json.loads(content)['entry']
            ret = {ent['name']: ent['content'] for ent in content}
        except Exception as exc:
            msg = 'Fail to parse content from endpoint_id=%s' \
                  ' - %s' % (endpoint_id, exc)
            log(msg, level=logging.ERROR, need_tb=True)
            raise ConfigException(msg)

        ret = {name: {key: self.load_value(endpoint_id, name, key, val)
                      for key, val in ent.items()
                      if not key.startswith('eai:')}
               for name, ent in ret.items()}
        return ret 

def _get_field_type(self, endpoint_id, item_name, fname):
        field_types = self._endpoints[endpoint_id].get('field_types', {})
        if item_name in field_types:
            fields = field_types[item_name]
        elif Config.FIELD_PLACEHOLDER in field_types:
            fields = field_types[Config.FIELD_PLACEHOLDER]
        else:
            fields = {}

        field_type = fields.get(fname, '')
        if field_type not in ('', 'bool', 'int', 'json'):
            msg = 'Unsupported type "{type_name}" for value in schema - ' \
                  'endpoint={endpoint}, item={item}, field={field}' \
                  ''.format(type_name=field_type,
                            endpoint=endpoint_id,
                            item=item_name,
                            field=fname)
            log(msg, level=logging.ERROR, need_tb=True)
            raise ConfigException(msg)
        return field_type 

def _parse_content(self, endpoint_id, content):
        """Parse content returned from REST
        :param content: a JSON string returned from REST.
        """
        try:
            content = json.loads(content)['entry']
            ret = {ent['name']: ent['content'] for ent in content}
        except Exception as exc:
            msg = 'Fail to parse content from endpoint_id=%s' \
                  ' - %s' % (endpoint_id, exc)
            log(msg, level=logging.ERROR, need_tb=True)
            raise ConfigException(msg)

        ret = {name: {key: self.load_value(endpoint_id, name, key, val)
                      for key, val in ent.items()
                      if not key.startswith('eai:')}
               for name, ent in ret.items()}
        return ret 

def dump_value(self, endpoint_id, item_name, fname, fval):
        field_type = self._get_field_type(endpoint_id, item_name, fname)
        if field_type == '':
            return fval

        try:
            field_type = field_type.lower()
            if field_type == 'bool':
                return str(fval).lower()
            elif field_type == 'json':
                return json.dumps(fval)
            else:
                return fval
        except Exception as exc:
            msg = 'Fail to dump value of "{type_name}" - ' \
                  'endpoint={endpoint}, item={item}, field={field}' \
                  ''.format(type_name=field_type,
                            endpoint=endpoint_id,
                            item=item_name,
                            field=fname)
            log(msg, msgx=str(exc), level=logging.ERROR, need_tb=True)
            raise ConfigException(msg) 

def _get_field_type(self, endpoint_id, item_name, fname):
        field_types = self._endpoints[endpoint_id].get('field_types', {})
        if item_name in field_types:
            fields = field_types[item_name]
        elif Config.FIELD_PLACEHOLDER in field_types:
            fields = field_types[Config.FIELD_PLACEHOLDER]
        else:
            fields = {}

        field_type = fields.get(fname, '')
        if field_type not in ('', 'bool', 'int', 'json'):
            msg = 'Unsupported type "{type_name}" for value in schema - ' \
                  'endpoint={endpoint}, item={item}, field={field}' \
                  ''.format(type_name=field_type,
                            endpoint=endpoint_id,
                            item=item_name,
                            field=fname)
            log(msg, level=logging.ERROR, need_tb=True)
            raise ConfigException(msg)
        return field_type 

def setUp(self):
        self.formatter = LogFormatter(color=False)
        # Fake color support.  We can't guarantee anything about the $TERM
        # variable when the tests are run, so just patch in some values
        # for testing.  (testing with color off fails to expose some potential
        # encoding issues from the control characters)
        self.formatter._colors = {
            logging.ERROR: u("\u0001"),
        }
        self.formatter._normal = u("\u0002")
        # construct a Logger directly to bypass getLogger's caching
        self.logger = logging.Logger('LogFormatterTest')
        self.logger.propagate = False
        self.tempdir = tempfile.mkdtemp()
        self.filename = os.path.join(self.tempdir, 'log.out')
        self.handler = self.make_handler(self.filename)
        self.handler.setFormatter(self.formatter)
        self.logger.addHandler(self.handler) 

def setUp(self):
        self.formatter = LogFormatter(color=False)
        # Fake color support.  We can't guarantee anything about the $TERM
        # variable when the tests are run, so just patch in some values
        # for testing.  (testing with color off fails to expose some potential
        # encoding issues from the control characters)
        self.formatter._colors = {
            logging.ERROR: u("\u0001"),
        }
        self.formatter._normal = u("\u0002")
        # construct a Logger directly to bypass getLogger's caching
        self.logger = logging.Logger('LogFormatterTest')
        self.logger.propagate = False
        self.tempdir = tempfile.mkdtemp()
        self.filename = os.path.join(self.tempdir, 'log.out')
        self.handler = self.make_handler(self.filename)
        self.handler.setFormatter(self.formatter)
        self.logger.addHandler(self.handler) 

def error(self, ctx, msg):
        self.log_error(ctx, logging.ERROR, msg) 

def __init__(self):
        self.log_level = 'ERROR'
        self.user = None  # Username
        self.user_id = None  # User ID (UUID)
        self.user_domain_id = None  # Domain owning user
        self.roles = []
        self.project_id = None
        self.project_domain_id = None  # Domain owning project
        self.is_admin_project = False
        self.authenticated = False
        self.request_id = str(uuid.uuid4())
        self.external_marker = ''
        self.policy_engine = None
        self.end_user = None  # Initial User 

def main(args=None):
    parsed_args = parser.parse_args(args=args)
    logger.setLevel(parsed_args.log_level)
    has_attrs = (getattr(parsed_args, "sort_by", None) and getattr(parsed_args, "columns", None))
    if has_attrs and parsed_args.sort_by not in parsed_args.columns:
        parsed_args.columns.append(parsed_args.sort_by)
    try:
        result = parsed_args.entry_point(parsed_args)
    except Exception as e:
        if isinstance(e, NoRegionError):
            msg = "The AWS CLI is not configured."
            msg += " Please configure it using instructions at"
            msg += " http://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html"
            exit(msg)
        elif logger.level < logging.ERROR:
            raise
        else:
            err_msg = traceback.format_exc()
            try:
                err_log_filename = os.path.join(config.user_config_dir, "error.log")
                with open(err_log_filename, "ab") as fh:
                    print(datetime.datetime.now().isoformat(), file=fh)
                    print(err_msg, file=fh)
                exit("{}: {}. See {} for error details.".format(e.__class__.__name__, e, err_log_filename))
            except Exception:
                print(err_msg, file=sys.stderr)
                exit(os.EX_SOFTWARE)
    if isinstance(result, SystemExit):
        raise result
    elif result is not None:
        if isinstance(result, dict) and "ResponseMetadata" in result:
            del result["ResponseMetadata"]
        print(json.dumps(result, indent=2, default=str)) 

def log_traceback(severity=logging.ERROR, debug=False):
    """Write the last error's traceback to the cherrypy error log."""
    cherrypy.log('', 'HTTP', severity=severity, traceback=True) 

def test_tracebacks(server, caplog):
    host = webtest.interface(webtest.WebCase.HOST)
    port = webtest.WebCase.PORT
    with caplog.at_level(logging.ERROR, logger='cherrypy.error'):
        resp = requests.get('http://%s:%s/error' % (host, port))

    rec = caplog.records[0]
    exc_cls, exc_msg = rec.exc_info[0], rec.message

    assert 'raise ValueError()' in resp.text
    assert 'HTTP' in exc_msg
    assert exc_cls is ValueError 

def test_logout_handles_redirect_back_from_provider_with_incorrect_state(self, caplog):
        authn = self.init_app()
        logout_view_mock = self.get_view_mock()
        state = 'some_state'
        with self.app.test_request_context('/logout?state={}'.format(state)):
            flask.session['end_session_state'] = 'other_state'
            result = authn.oidc_logout(logout_view_mock)()
            assert 'end_session_state' not in flask.session

        self.assert_view_mock(logout_view_mock, result)
        assert caplog.record_tuples[-1] == ('flask_pyoidc.flask_pyoidc',
                                            logging.ERROR,
                                            "Got unexpected state '{}' after logout redirect.".format(state)) 

def lambda_handler(event, context):
    loggger = logging.getLogger()

    if loggger.handlers:
        for handler in loggger.handlers:
            loggger.removeHandler(handler)

    # change logging levels for boto and others to prevent log spamming
    logging.getLogger("boto3").setLevel(logging.ERROR)
    logging.getLogger("botocore").setLevel(logging.ERROR)
    logging.getLogger("urllib3").setLevel(logging.ERROR)

    # set logging format
    logging.basicConfig(
        format="[%(levelname)s] %(message)s (%(filename)s, %(funcName)s(), line %(lineno)d)",
        level=os.environ.get("LOGLEVEL", "WARNING"),
    )

    # add SNS logger
    # sns_logger = SNSLoggingHandler(os.environ.get('LOGTOPIC'))
    # sns_logger.setLevel(logging.INFO)
    # loggger.addHandler(sns_logger)

    # instantiate class
    remediate = Remediate(logging, event)

    # run functions
    remediate.remediate() 

def lambda_handler(event, context):
    loggger = logging.getLogger()

    if loggger.handlers:
        for handler in loggger.handlers:
            loggger.removeHandler(handler)

    # change logging levels for boto and others
    logging.getLogger("boto3").setLevel(logging.ERROR)
    logging.getLogger("botocore").setLevel(logging.ERROR)
    logging.getLogger("urllib3").setLevel(logging.ERROR)

    # set logging format
    logging.basicConfig(
        format="[%(levelname)s] %(message)s (%(filename)s, %(funcName)s(), line %(lineno)d)",
        level=os.environ.get("LOGLEVEL", "WARNING").upper(),
    )

    # instantiate class
    setup = Setup(logging)

    # run functions
    setup.setup_dynamodb()

    settings = setup.get_settings()

    setup.create_stacks("config_rules", settings)
    setup.create_stacks("custom_rules", settings)