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chore(proxy): annotate the spend logs metadata header mutations with rebind-ok

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This commit is contained in:
Yucheng He 2026-09-04 17:20:03 -07:00
parent 29539829ba
commit facbac0522
1 changed files with 3 additions and 3 deletions
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6
litellm/proxy/litellm_pre_call_utils.py
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@ -1271,16 +1271,16 @@ class LiteLLMProxyRequestSetup:
for key in [
k for k in caller_extra_headers if isinstance(k, str) and k.lower() == SPEND_LOGS_METADATA_HEADER_NAME
]:
del caller_extra_headers[key]
del caller_extra_headers[key] # rebind-ok: dropping the forged copy is the point
encoded: Final = LiteLLMProxyRequestSetup._encode_spend_logs_metadata_header(data.get(_metadata_variable_name))
existing_headers: Final = data.get("headers")
if isinstance(existing_headers, dict):
if encoded is None:
existing_headers.pop(SPEND_LOGS_METADATA_HEADER_NAME, None)
existing_headers.pop(SPEND_LOGS_METADATA_HEADER_NAME, None) # rebind-ok: no stale value
else:
existing_headers[SPEND_LOGS_METADATA_HEADER_NAME] = encoded
existing_headers[SPEND_LOGS_METADATA_HEADER_NAME] = encoded # rebind-ok: this is the emission
elif encoded is not None:
# Providers read `headers or litellm.headers`, replacing rather than merging,
# so building this dict from scratch would drop `litellm_settings.headers`