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fix(resource-manager): flush custom tracer provider if provided #1469

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Merged
hassiebp merged 3 commits into from
Dec 12, 2025
Merged

fix(resource-manager): flush custom tracer provider if provided #1469

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fix(resource-manager): flush custom tracer provider if provided
hassiebp Dec 8, 2025
54010b6
Merge branch 'main' into hassieb/lfe-7980-bug-sdk-python-doesnt-flush…
hassiebp Dec 8, 2025
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hassiebp Dec 12, 2025
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16 changes: 9 additions & 7 deletions langfuse/_client/resource_manager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,7 +173,7 @@ def _initialize_instance(
self.sample_rate = sample_rate
self.blocked_instrumentation_scopes = blocked_instrumentation_scopes
self.additional_headers = additional_headers
self.tracer_provider = None
self.tracer_provider: Optional[TracerProvider] = None

# OTEL Tracer
if tracing_enabled:
Expand Down Expand Up @@ -399,9 +399,10 @@ def _stop_and_join_consumer_threads(self) -> None:
)

def flush(self) -> None:
tracer_provider = cast(TracerProvider, otel_trace_api.get_tracer_provider())
if not isinstance(tracer_provider, otel_trace_api.ProxyTracerProvider):
tracer_provider.force_flush()
if self.tracer_provider is not None and not isinstance(
self.tracer_provider, otel_trace_api.ProxyTracerProvider
):
self.tracer_provider.force_flush()
langfuse_logger.debug("Successfully flushed OTEL tracer provider")

self._score_ingestion_queue.join()
Expand All @@ -414,9 +415,10 @@ def shutdown(self) -> None:
# Unregister the atexit handler first
atexit.unregister(self.shutdown)

tracer_provider = cast(TracerProvider, otel_trace_api.get_tracer_provider())
if not isinstance(tracer_provider, otel_trace_api.ProxyTracerProvider):
tracer_provider.force_flush()
if self.tracer_provider is not None and not isinstance(
self.tracer_provider, otel_trace_api.ProxyTracerProvider
):
self.tracer_provider.force_flush()

self._stop_and_join_consumer_threads()

Expand Down
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