events: use optional context for initialization instead of trace_id

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Overwrite logging.config.fileConfig and logging.config.dictConfig to ensure
 the OTLP `LogHandler` remains attached to the root logger. Fix a bug that
 can cause a deadlock to occur over `logging._lock` in some cases ([#4636](https://github.com/open-telemetry/opentelemetry-python/pull/4636)).
+- events: use optional `context` for initialiation instead of (`trace_id`, `span_id`, `trace_flag`)
+  ([#4690](https://github.com/open-telemetry/opentelemetry-python/pull/4636))
 
 ## Version 1.35.0/0.56b0 (2025-07-11)
 
@@ -31,7 +33,7 @@ can cause a deadlock to occur over `logging._lock` in some cases ([#4636](https:
 - Update logger level to NOTSET in logs example
   ([#4637](https://github.com/open-telemetry/opentelemetry-python/pull/4637))
 - Logging API accepts optional `context`; deprecates `trace_id`, `span_id`, `trace_flags`.
-  ([#4597](https://github.com/open-telemetry/opentelemetry-python/pull/4597)) and 
+  ([#4597](https://github.com/open-telemetry/opentelemetry-python/pull/4597)) and
   ([#4668](https://github.com/open-telemetry/opentelemetry-python/pull/4668))
 - sdk: use context instead of trace_id,span_id for initializing LogRecord
   ([#4653](https://github.com/open-telemetry/opentelemetry-python/pull/4653))

opentelemetry-api/src/opentelemetry/_events/__init__.py

@@ -19,10 +19,10 @@
 
 from opentelemetry._logs import LogRecord
 from opentelemetry._logs.severity import SeverityNumber
+from opentelemetry.context import Context
 from opentelemetry.environment_variables import (
     _OTEL_PYTHON_EVENT_LOGGER_PROVIDER,
 )
-from opentelemetry.trace.span import TraceFlags
 from opentelemetry.util._once import Once
 from opentelemetry.util._providers import _load_provider
 from opentelemetry.util.types import AnyValue, _ExtendedAttributes
@@ -35,9 +35,7 @@ def __init__(
         self,
         name: str,
         timestamp: Optional[int] = None,
-        trace_id: Optional[int] = None,
-        span_id: Optional[int] = None,
-        trace_flags: Optional["TraceFlags"] = None,
+        context: Optional[Context] = None,
         body: Optional[AnyValue] = None,
         severity_number: Optional[SeverityNumber] = None,
         attributes: Optional[_ExtendedAttributes] = None,
@@ -49,9 +47,7 @@ def __init__(
         }
         super().__init__(
             timestamp=timestamp,
-            trace_id=trace_id,
-            span_id=span_id,
-            trace_flags=trace_flags,
+            context=context,
             body=body,
             severity_number=severity_number,
             attributes=event_attributes,

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

@@ -15,11 +15,11 @@
 from time import time_ns
 from typing import Optional
 
-from opentelemetry import trace
 from opentelemetry._events import Event
 from opentelemetry._events import EventLogger as APIEventLogger
 from opentelemetry._events import EventLoggerProvider as APIEventLoggerProvider
 from opentelemetry._logs import NoOpLogger, SeverityNumber, get_logger_provider
+from opentelemetry.context import get_current
 from opentelemetry.sdk._logs import Logger, LoggerProvider, LogRecord
 from opentelemetry.util.types import _ExtendedAttributes
 
@@ -49,13 +49,10 @@ def emit(self, event: Event) -> None:
         if isinstance(self._logger, NoOpLogger):
             # Do nothing if SDK is disabled
             return
-        span_context = trace.get_current_span().get_span_context()
         log_record = LogRecord(
             timestamp=event.timestamp or time_ns(),
             observed_timestamp=None,
-            trace_id=event.trace_id or span_context.trace_id,
-            span_id=event.span_id or span_context.span_id,
-            trace_flags=event.trace_flags or span_context.trace_flags,
+            context=event.context or get_current(),
             severity_text=None,
             severity_number=event.severity_number or SeverityNumber.INFO,
             body=event.body,

opentelemetry-sdk/tests/events/test_events.py

@@ -17,11 +17,13 @@
 import unittest
 from unittest.mock import Mock, patch
 
+from opentelemetry import trace as trace_api
 from opentelemetry._events import Event
-from opentelemetry._logs import SeverityNumber, set_logger_provider
+from opentelemetry._logs import NoOpLogger, SeverityNumber, set_logger_provider
+from opentelemetry.context import get_current
 from opentelemetry.sdk._events import EventLoggerProvider
 from opentelemetry.sdk._logs import LoggerProvider
-from opentelemetry.sdk._logs._internal import Logger, NoOpLogger
+from opentelemetry.sdk._logs._internal import Logger
 from opentelemetry.sdk.environment_variables import OTEL_SDK_DISABLED
 
 
@@ -123,15 +125,9 @@ def test_event_logger_emit(self, logger_mock, log_record_mock):
             "name", "version", "schema_url", {"key": "value"}
         )
         now = Mock()
-        trace_id = Mock()
-        span_id = Mock()
-        trace_flags = Mock()
         event = Event(
             name="test_event",
             timestamp=now,
-            trace_id=trace_id,
-            span_id=span_id,
-            trace_flags=trace_flags,
             body="test body",
             severity_number=SeverityNumber.ERROR,
             attributes={
@@ -146,9 +142,7 @@ def test_event_logger_emit(self, logger_mock, log_record_mock):
         log_record_mock.assert_called_once_with(
             timestamp=now,
             observed_timestamp=None,
-            trace_id=trace_id,
-            span_id=span_id,
-            trace_flags=trace_flags,
+            context=get_current(),
             severity_text=None,
             severity_number=SeverityNumber.ERROR,
             body="test body",
@@ -179,15 +173,9 @@ def test_event_logger_emit_sdk_disabled(
             "name", "version", "schema_url", {"key": "value"}
         )
         now = Mock()
-        trace_id = Mock()
-        span_id = Mock()
-        trace_flags = Mock()
         event = Event(
             name="test_event",
             timestamp=now,
-            trace_id=trace_id,
-            span_id=span_id,
-            trace_flags=trace_flags,
             body="test body",
             severity_number=SeverityNumber.ERROR,
             attributes={
@@ -200,3 +188,92 @@ def test_event_logger_emit_sdk_disabled(
         log_record_mock.return_value = log_record_mock_inst
         event_logger.emit(event)
         logger_mock_inst.emit.assert_not_called()
+
+    @patch("opentelemetry.sdk._events.LogRecord")
+    @patch("opentelemetry.sdk._logs._internal.LoggerProvider.get_logger")
+    def test_event_logger_emit_with_context(
+        self, logger_mock, log_record_mock
+    ):
+        logger_provider = LoggerProvider()
+        logger_mock_inst = Mock()
+        logger_mock.return_value = logger_mock_inst
+        event_logger = EventLoggerProvider(logger_provider).get_event_logger(
+            "name",
+            version="version",
+            schema_url="schema_url",
+            attributes={"key": "value"},
+        )
+        logger_mock.assert_called_once_with(
+            "name", "version", "schema_url", {"key": "value"}
+        )
+
+        span = trace_api.NonRecordingSpan(
+            trace_api.SpanContext(
+                2604504634922341076776623263868986797,
+                5213367945872657620,
+                False,
+                trace_api.TraceFlags(0x01),
+            )
+        )
+        ctx = trace_api.set_span_in_context(span)
+
+        now = Mock()
+        event = Event(
+            name="test_event",
+            timestamp=now,
+            body="test body",
+            severity_number=SeverityNumber.ERROR,
+            attributes={
+                "key": "val",
+                "foo": "bar",
+                "event.name": "not this one",
+            },
+        )
+        log_record_mock_inst = Mock()
+        log_record_mock.return_value = log_record_mock_inst
+        with trace_api.use_span(span):
+            event_logger.emit(event)
+        log_record_mock.assert_called_with(
+            timestamp=now,
+            observed_timestamp=None,
+            context=ctx,
+            severity_text=None,
+            severity_number=SeverityNumber.ERROR,
+            body="test body",
+            resource=event_logger._logger.resource,
+            attributes={
+                "key": "val",
+                "foo": "bar",
+                "event.name": "test_event",
+            },
+        )
+
+        another_event = Event(
+            name="another_event",
+            timestamp=now,
+            context=ctx,
+            body="another body",
+            severity_number=SeverityNumber.ERROR,
+            attributes={
+                "key": "val",
+                "foo": "bar",
+                "event.name": "not this one",
+            },
+        )
+        event_logger.emit(another_event)
+        log_record_mock.assert_called_with(
+            timestamp=now,
+            observed_timestamp=None,
+            context=ctx,
+            severity_text=None,
+            severity_number=SeverityNumber.ERROR,
+            body="another body",
+            resource=event_logger._logger.resource,
+            attributes={
+                "key": "val",
+                "foo": "bar",
+                "event.name": "another_event",
+            },
+        )
+
+        self.assertEqual(log_record_mock.call_count, 2)