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fix(model_info): single-assign fill_missing_for_providers in rule compiler

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Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
This commit is contained in:
kerry 2026-09-14 18:00:15 +00:00
parent e366d3bd30
commit 0f846cecb8
1 changed files with 19 additions and 15 deletions
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34
litellm/litellm_core_utils/fallback_generalizations.py
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@ -112,6 +112,22 @@ class _CapabilityRule:
_CompiledRule = _RoutingRule | _CapabilityRule
def _parse_fill_missing_for_providers(rule: Mapping[str, object], pattern_label: object) -> frozenset[str] | None:
if FILL_MISSING_FOR_PROVIDERS_FIELD not in rule:
return frozenset()
raw_fill_missing_for_providers: Final = rule.get(FILL_MISSING_FOR_PROVIDERS_FIELD)
if not isinstance(raw_fill_missing_for_providers, (list, tuple)) or not all(
isinstance(provider, str) for provider in raw_fill_missing_for_providers
):
verbose_logger.warning(
"LiteLLM: skipping malformed fallback generalization rule %s ('%s' must be a list of provider strings).",
rule.get(NAME_FIELD, pattern_label),
FILL_MISSING_FOR_PROVIDERS_FIELD,
)
return None
return frozenset(raw_fill_missing_for_providers)
def _compile_rule(rule: object) -> tuple[_CompiledRule, ...]:
if not isinstance(rule, dict):
return ()
@ -134,21 +150,9 @@ def _compile_rule(rule: object) -> tuple[_CompiledRule, ...]:
e,
)
return ()
if FILL_MISSING_FOR_PROVIDERS_FIELD not in rule:
fill_missing_for_providers: Final[frozenset[str]] = frozenset()
else:
raw_fill_missing_for_providers: Final = rule.get(FILL_MISSING_FOR_PROVIDERS_FIELD)
if not isinstance(raw_fill_missing_for_providers, (list, tuple)) or not all(
isinstance(provider, str) for provider in raw_fill_missing_for_providers
):
verbose_logger.warning(
"LiteLLM: skipping malformed fallback generalization rule %s "
"('%s' must be a list of provider strings).",
rule.get(NAME_FIELD, pattern),
FILL_MISSING_FOR_PROVIDERS_FIELD,
)
return ()
fill_missing_for_providers = frozenset(raw_fill_missing_for_providers)
fill_missing_for_providers: Final = _parse_fill_missing_for_providers(rule, pattern)
if fill_missing_for_providers is None:
return ()
if PROVIDER_KEY not in model_info:
return (
_CapabilityRule(