Remove double record exception

logfire/_internal/main.py

@@ -1948,13 +1948,13 @@ def __init__(self, span: trace_api.Span) -> None:
         self._token = context_api.attach(trace_api.set_span_in_context(self._span))
 
     def __enter__(self) -> FastLogfireSpan:
+        self._span.__enter__()
         return self
 
     @handle_internal_errors()
     def __exit__(self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: Any) -> None:
         context_api.detach(self._token)
-        _exit_span(self._span, exc_value)
-        self._span.end()
+        self._span.__exit__(exc_type, exc_value, traceback)
 
 
 # Changes to this class may need to be reflected in `FastLogfireSpan` and `NoopSpan` as well.
@@ -1990,6 +1990,7 @@ def __enter__(self) -> LogfireSpan:
                     attributes=self._otlp_attributes,
                     links=self._links,
                 )
+            self._span.__enter__()
             if self._token is None:  # pragma: no branch
                 self._token = context_api.attach(trace_api.set_span_in_context(self._span))
 
@@ -1999,14 +2000,17 @@ def __enter__(self) -> LogfireSpan:
     def __exit__(self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: Any) -> None:
         if self._token is None:  # pragma: no cover
             return
+        assert self._span is not None
 
         context_api.detach(self._token)
         self._token = None
-
-        assert self._span is not None
-        _exit_span(self._span, exc_value)
-
-        self.end()
+        if self._span.is_recording():
+            with handle_internal_errors():
+                if self._added_attributes:
+                    self._span.set_attribute(
+                        ATTRIBUTES_JSON_SCHEMA_KEY, attributes_json_schema(self._json_schema_properties)
+                    )
+        self._span.__exit__(exc_type, exc_value, traceback)
 
     @property
     def message_template(self) -> str | None:  # pragma: no cover
@@ -2032,26 +2036,6 @@ def message(self) -> str:
     def message(self, message: str):
         self._set_attribute(ATTRIBUTES_MESSAGE_KEY, message)
 
-    def end(self, end_time: int | None = None) -> None:
-        """Sets the current time as the span's end time.
-
-        The span's end time is the wall time at which the operation finished.
-
-        Only the first call to this method is recorded, further calls are ignored so you
-        can call this within the span's context manager to end it before the context manager
-        exits.
-        """
-        if self._span is None:  # pragma: no cover
-            raise RuntimeError('Span has not been started')
-        if self._span.is_recording():
-            with handle_internal_errors():
-                if self._added_attributes:
-                    self._span.set_attribute(
-                        ATTRIBUTES_JSON_SCHEMA_KEY, attributes_json_schema(self._json_schema_properties)
-                    )
-
-                self._span.end(end_time)
-
     @handle_internal_errors()
     def set_attribute(self, key: str, value: Any) -> None:
         """Sets an attribute on the span.
@@ -2183,16 +2167,6 @@ def is_recording(self) -> bool:
         return False
 
 
-def _exit_span(span: trace_api.Span, exception: BaseException | None) -> None:
-    if not span.is_recording():
-        return
-
-    # record exception if present
-    # isinstance is to ignore BaseException
-    if isinstance(exception, Exception):
-        record_exception(span, exception, escaped=True)
-
-
 AttributesValueType = TypeVar('AttributesValueType', bound=Union[Any, otel_types.AttributeValue])
 
 

logfire/_internal/tracer.py

@@ -171,6 +171,12 @@ def record_exception(
         timestamp = timestamp or self.ns_timestamp_generator()
         record_exception(self.span, exception, attributes=attributes, timestamp=timestamp, escaped=escaped)
 
+    def __exit__(self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: Any) -> None:
+        if self.is_recording():
+            if isinstance(exc_value, BaseException):
+                self.record_exception(exc_value, escaped=True)
+            self.end()
+
     if not TYPE_CHECKING:  # pragma: no branch
         # for ReadableSpan
         def __getattr__(self, name: str) -> Any:

tests/test_logfire.py

@@ -9,6 +9,7 @@
 from functools import partial
 from logging import getLogger
 from typing import Any, Callable
+from unittest.mock import patch
 
 import pytest
 from dirty_equals import IsInt, IsJson, IsStr
@@ -36,6 +37,7 @@
 )
 from logfire._internal.formatter import FormattingFailedWarning, InspectArgumentsFailedWarning
 from logfire._internal.main import NoopSpan
+from logfire._internal.tracer import record_exception
 from logfire._internal.utils import is_instrumentation_suppressed
 from logfire.integrations.logging import LogfireLoggingHandler
 from logfire.testing import TestExporter
@@ -3171,3 +3173,22 @@ def test_suppress_scopes(exporter: TestExporter, metrics_reader: InMemoryMetricR
             }
         ]
     )
+
+
+def test_logfire_span_records_exceptions_once():
+    n_calls_to_record_exception = 0
+
+    def patched_record_exception(*args: Any, **kwargs: Any) -> Any:
+        nonlocal n_calls_to_record_exception
+        n_calls_to_record_exception += 1
+
+        return record_exception(*args, **kwargs)
+
+    with patch('logfire._internal.tracer.record_exception', patched_record_exception), patch(
+        'logfire._internal.main.record_exception', patched_record_exception
+    ):
+        with pytest.raises(RuntimeError):
+            with logfire.span('foo'):
+                raise RuntimeError('error')
+
+    assert n_calls_to_record_exception == 1