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# What is this?
## Common checks for /v1/models and `/model/info`
from typing import Dict, List, Optional, Set
import litellm
from litellm._logging import verbose_proxy_logger
from litellm.proxy._types import SpecialModelNames, UserAPIKeyAuth
from litellm.utils import get_valid_models
def _check_wildcard_routing(model: str) -> bool:
"""
Returns True if a model is a provider wildcard.
eg:
- anthropic/*
- openai/*
- *
"""
if model == "*":
return True
if "/" in model:
llm_provider, potential_wildcard = model.split("/", 1)
if (
llm_provider in litellm.provider_list and potential_wildcard == "*"
): # e.g. anthropic/*
return True
return False
def get_provider_models(provider: str) -> Optional[List[str]]:
"""
Returns the list of known models by provider
"""
if provider == "*":
return get_valid_models()
if provider in litellm.models_by_provider:
provider_models = litellm.models_by_provider[provider]
for idx, _model in enumerate(provider_models):
if provider not in _model:
provider_models[idx] = f"{provider}/{_model}"
return provider_models
return None
def _get_models_from_access_groups(
model_access_groups: Dict[str, List[str]],
all_models: List[str],
) -> List[str]:
idx_to_remove = []
new_models = []
for idx, model in enumerate(all_models):
if model in model_access_groups:
idx_to_remove.append(idx)
new_models.extend(model_access_groups[model])
for idx in sorted(idx_to_remove, reverse=True):
all_models.pop(idx)
all_models.extend(new_models)
return all_models
def get_key_models(
user_api_key_dict: UserAPIKeyAuth,
proxy_model_list: List[str],
model_access_groups: Dict[str, List[str]],
) -> List[str]:
"""
Returns:
- List of model name strings
- Empty list if no models set
- If model_access_groups is provided, only return models that are in the access groups
"""
all_models: List[str] = []
if len(user_api_key_dict.models) > 0:
all_models = user_api_key_dict.models
if SpecialModelNames.all_team_models.value in all_models:
all_models = user_api_key_dict.team_models
if SpecialModelNames.all_proxy_models.value in all_models:
all_models = proxy_model_list
all_models = _get_models_from_access_groups(
model_access_groups=model_access_groups, all_models=all_models
)
verbose_proxy_logger.debug("ALL KEY MODELS - {}".format(len(all_models)))
return all_models
def get_team_models(
user_api_key_dict: UserAPIKeyAuth,
proxy_model_list: List[str],
model_access_groups: Dict[str, List[str]],
) -> List[str]:
"""
Returns:
- List of model name strings
- Empty list if no models set
- If model_access_groups is provided, only return models that are in the access groups
"""
all_models = []
if len(user_api_key_dict.team_models) > 0:
all_models = user_api_key_dict.team_models
if SpecialModelNames.all_team_models.value in all_models:
all_models = user_api_key_dict.team_models
if SpecialModelNames.all_proxy_models.value in all_models:
all_models = proxy_model_list
all_models = _get_models_from_access_groups(
model_access_groups=model_access_groups, all_models=all_models
)
verbose_proxy_logger.debug("ALL TEAM MODELS - {}".format(len(all_models)))
return all_models
def get_complete_model_list(
key_models: List[str],
team_models: List[str],
proxy_model_list: List[str],
user_model: Optional[str],
infer_model_from_keys: Optional[bool],
return_wildcard_routes: Optional[bool] = False,
) -> List[str]:
"""Logic for returning complete model list for a given key + team pair"""
"""
- If key list is empty -> defer to team list
- If team list is empty -> defer to proxy model list
If list contains wildcard -> return known provider models
"""
unique_models: Set[str] = set()
if key_models:
unique_models.update(key_models)
elif team_models:
unique_models.update(team_models)
else:
unique_models.update(proxy_model_list)
if user_model:
unique_models.add(user_model)
if infer_model_from_keys:
valid_models = get_valid_models()
unique_models.update(valid_models)
all_wildcard_models = _get_wildcard_models(
unique_models=unique_models, return_wildcard_routes=return_wildcard_routes
)
return list(unique_models) + all_wildcard_models
def _get_wildcard_models(
unique_models: Set[str], return_wildcard_routes: Optional[bool] = False
) -> List[str]:
models_to_remove = set()
all_wildcard_models = []
for model in unique_models:
if _check_wildcard_routing(model=model):
if (
return_wildcard_routes is True
): # will add the wildcard route to the list eg: anthropic/*.
all_wildcard_models.append(model)
provider = model.split("/")[0]
# get all known provider models
wildcard_models = get_provider_models(provider=provider)
if wildcard_models is not None:
models_to_remove.add(model)
all_wildcard_models.extend(wildcard_models)
for model in models_to_remove:
unique_models.remove(model)
return all_wildcard_models
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