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fix: claude traces on langfuse

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Harshit28j 2026-03-18 17:34:26 +05:30 • committed by shivam
parent 4cd9e3d638
commit 2757c47c84
3 changed files with 12 additions and 6 deletions
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2
litellm/litellm_core_utils/get_litellm_params.py
View file

@ -109,7 +109,7 @@ def get_litellm_params(
# the request uses "litellm_metadata" (e.g. /v1/messages from Claude Code).
_merged_metadata = metadata
if litellm_metadata and isinstance(litellm_metadata, dict):
if not _merged_metadata:
if _merged_metadata is None:
_merged_metadata = dict(litellm_metadata)
else:
_merged_metadata = dict(_merged_metadata) # don't mutate caller's dict

11
litellm/litellm_core_utils/litellm_logging.py
View file

@ -608,7 +608,16 @@ class Logging(LiteLLMLoggingBaseClass):
if "litellm_metadata" in kwargs and isinstance(
kwargs["litellm_metadata"], dict
):
base_litellm_params["litellm_metadata"] = kwargs["litellm_metadata"].copy()
base_litellm_params["litellm_metadata"] = kwargs["litellm_metadata"]
if "metadata" not in base_litellm_params:
base_litellm_params["metadata"] = kwargs["litellm_metadata"].copy()
else:
# Merge litellm_metadata into metadata without overwriting existing
# keys so API key fields are visible to callbacks even when
# Anthropic's native metadata is present (/v1/messages).
for key, value in kwargs["litellm_metadata"].items():
if key not in base_litellm_params["metadata"]:
base_litellm_params["metadata"][key] = value
if litellm_params:
base_litellm_params.update(litellm_params)

5
litellm/utils.py
View file

@ -1155,15 +1155,12 @@ def function_setup( # noqa: PLR0915
# populate litellm_params["metadata"] so callbacks (e.g. Langfuse) that
# read API key info from litellm_params["metadata"] see the fields.
if not litellm_params.get("metadata"):
litellm_params["metadata"] = dict(kwargs["litellm_metadata"])
litellm_params["metadata"] = kwargs["litellm_metadata"].copy()
else:
# Merge litellm_metadata into metadata without overwriting existing
# keys. This ensures API key fields (user_api_key_hash, etc.) are
# visible to callbacks even when Anthropic's native metadata field
# is present in /v1/messages requests from Claude Code.
litellm_params["metadata"] = dict(
litellm_params["metadata"]
) # don't mutate caller's dict
for key, value in kwargs["litellm_metadata"].items():
if key not in litellm_params["metadata"]:
litellm_params["metadata"][key] = value