fix(pydantic-ai): Stop truncating in the streaming trace lifecycle (getsentry#6659)

alexander-alderman-webb · web-flow · commit 5dabd02e83cf · 2026-06-29T09:00:06.000+02:00
Align with other integrations that use the `should_truncate_gen_ai_input()` helper.
diff --git a/sentry_sdk/integrations/pydantic_ai/spans/ai_client.py b/sentry_sdk/integrations/pydantic_ai/spans/ai_client.py
@@ -9,7 +9,10 @@
 )
 from sentry_sdk.consts import OP, SPANDATA
 from sentry_sdk.traces import StreamedSpan
-from sentry_sdk.tracing_utils import has_span_streaming_enabled
+from sentry_sdk.tracing_utils import (
+    has_span_streaming_enabled,
+    should_truncate_gen_ai_input,
+)
 from sentry_sdk.utils import safe_serialize
 
 from ..consts import SPAN_ORIGIN
@@ -200,9 +203,9 @@ def _set_input_messages(
             client = sentry_sdk.get_client()
             scope = sentry_sdk.get_current_scope()
             messages_data = (
-                normalized_messages
-                if client.options.get("stream_gen_ai_spans", False)
-                else truncate_and_annotate_messages(normalized_messages, span, scope)
+                truncate_and_annotate_messages(normalized_messages, span, scope)
+                if should_truncate_gen_ai_input(client.options)
+                else normalized_messages
             )
             set_data_normalized(
                 span, SPANDATA.GEN_AI_REQUEST_MESSAGES, messages_data, unpack=False
diff --git a/sentry_sdk/integrations/pydantic_ai/spans/invoke_agent.py b/sentry_sdk/integrations/pydantic_ai/spans/invoke_agent.py
@@ -9,7 +9,10 @@
 )
 from sentry_sdk.consts import OP, SPANDATA
 from sentry_sdk.traces import StreamedSpan
-from sentry_sdk.tracing_utils import has_span_streaming_enabled
+from sentry_sdk.tracing_utils import (
+    has_span_streaming_enabled,
+    should_truncate_gen_ai_input,
+)
 
 from ..consts import SPAN_ORIGIN
 from ..utils import (
@@ -137,9 +140,9 @@ def invoke_agent_span(
             client = sentry_sdk.get_client()
             scope = sentry_sdk.get_current_scope()
             messages_data = (
-                normalized_messages
-                if client.options.get("stream_gen_ai_spans", False)
-                else truncate_and_annotate_messages(normalized_messages, span, scope)
+                truncate_and_annotate_messages(normalized_messages, span, scope)
+                if should_truncate_gen_ai_input(client.options)
+                else normalized_messages
             )
             set_data_normalized(
                 span, SPANDATA.GEN_AI_REQUEST_MESSAGES, messages_data, unpack=False
