Fix #2689 LoggingHandler to handle exc_info=False (#2690)

Author: gen-xu

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v1.11.1-0.30b1...HEAD)
 
+- Fix LoggingHandler to handle LogRecord with exc_info=False
+  ([#2690](https://github.com/open-telemetry/opentelemetry-python/pull/2690))
 - Make metrics components public
   ([#2684](https://github.com/open-telemetry/opentelemetry-python/pull/2684))
 - Update to semantic conventions v1.11.0

opentelemetry-sdk/src/opentelemetry/sdk/_logs/__init__.py

@@ -321,7 +321,7 @@ def _get_attributes(record: logging.LogRecord) -> Attributes:
         attributes = {
             k: v for k, v in vars(record).items() if k not in _RESERVED_ATTRS
         }
-        if record.exc_info is not None:
+        if record.exc_info:
             exc_type = ""
             message = ""
             stack_trace = ""

opentelemetry-sdk/tests/logs/test_handler.py

@@ -107,6 +107,27 @@ def test_log_record_exception(self):
         self.assertTrue("division by zero" in stack_trace)
         self.assertTrue(__file__ in stack_trace)
 
+    def test_log_exc_info_false(self):
+        """Exception information will be included in attributes"""
+        emitter_mock = Mock(spec=LogEmitter)
+        logger = get_logger(log_emitter=emitter_mock)
+        try:
+            raise ZeroDivisionError("division by zero")
+        except ZeroDivisionError:
+            logger.error("Zero Division Error", exc_info=False)
+        args, _ = emitter_mock.emit.call_args_list[0]
+        log_record = args[0]
+
+        self.assertIsNotNone(log_record)
+        self.assertEqual(log_record.body, "Zero Division Error")
+        self.assertNotIn(SpanAttributes.EXCEPTION_TYPE, log_record.attributes)
+        self.assertNotIn(
+            SpanAttributes.EXCEPTION_MESSAGE, log_record.attributes
+        )
+        self.assertNotIn(
+            SpanAttributes.EXCEPTION_STACKTRACE, log_record.attributes
+        )
+
     def test_log_record_trace_correlation(self):
         emitter_mock = Mock(spec=LogEmitter)
         logger = get_logger(log_emitter=emitter_mock)