mirror of
https://github.com/BerriAI/litellm.git
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b70147f63b
* refactor InitalizeOpenAISDKClient * use helper func for _should_create_openai_sdk_client_for_model * use static methods for set client on litellm router * reduce LOC in _get_client_initialization_params * fix _should_create_openai_sdk_client_for_model * code quality fix * test test_should_create_openai_sdk_client_for_model * test test_get_client_initialization_params_openai * fix mypy linting errors * fix OpenAISDKClientInitializationParams * test_get_client_initialization_params_all_env_vars * test_get_client_initialization_params_azure_ai_studio_mistral * test_get_client_initialization_params_default_values * fix _get_client_initialization_params
699 lines
30 KiB
Python
699 lines
30 KiB
Python
import asyncio
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import os
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import traceback
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from typing import TYPE_CHECKING, Any, Callable, Optional, Union
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import httpx
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import openai
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from pydantic import BaseModel
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import litellm
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from litellm import get_secret, get_secret_str
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from litellm._logging import verbose_router_logger
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from litellm.llms.AzureOpenAI.azure import get_azure_ad_token_from_oidc
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from litellm.secret_managers.get_azure_ad_token_provider import (
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get_azure_ad_token_provider,
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)
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from litellm.utils import calculate_max_parallel_requests
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if TYPE_CHECKING:
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from httpx import Timeout as httpxTimeout
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from litellm.router import Router as _Router
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LitellmRouter = _Router
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else:
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LitellmRouter = Any
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httpxTimeout = Any
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class OpenAISDKClientInitializationParams(BaseModel):
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api_key: Optional[str]
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api_base: Optional[str]
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api_version: Optional[str]
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azure_ad_token_provider: Optional[Callable[[], str]]
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timeout: Optional[Union[float, httpxTimeout]]
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stream_timeout: Optional[Union[float, httpxTimeout]]
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max_retries: int
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organization: Optional[str]
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# Internal LiteLLM specific params
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custom_llm_provider: Optional[str]
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model_name: str
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class InitalizeOpenAISDKClient:
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"""
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OpenAI Python SDK requires creating a OpenAI/AzureOpenAI client
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this class is responsible for creating that client
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"""
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@staticmethod
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def should_initialize_sync_client(
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litellm_router_instance: LitellmRouter,
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) -> bool:
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"""
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Returns if Sync OpenAI, Azure Clients should be initialized.
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Do not init sync clients when router.router_general_settings.async_only_mode is True
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"""
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if litellm_router_instance is None:
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return False
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if litellm_router_instance.router_general_settings is not None:
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if (
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hasattr(litellm_router_instance, "router_general_settings")
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and hasattr(
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litellm_router_instance.router_general_settings, "async_only_mode"
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)
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and litellm_router_instance.router_general_settings.async_only_mode
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is True
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):
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return False
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return True
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@staticmethod
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def set_client( # noqa: PLR0915
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litellm_router_instance: LitellmRouter, model: dict
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):
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"""
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- Initializes Azure/OpenAI clients. Stores them in cache, b/c of this - https://github.com/BerriAI/litellm/issues/1278
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- Initializes Semaphore for client w/ rpm. Stores them in cache. b/c of this - https://github.com/BerriAI/litellm/issues/2994
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"""
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client_ttl = litellm_router_instance.client_ttl
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litellm_params = model.get("litellm_params", {})
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model_name = litellm_params.get("model")
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model_id = model["model_info"]["id"]
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# ### IF RPM SET - initialize a semaphore ###
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rpm = litellm_params.get("rpm", None)
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tpm = litellm_params.get("tpm", None)
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max_parallel_requests = litellm_params.get("max_parallel_requests", None)
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calculated_max_parallel_requests = calculate_max_parallel_requests(
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rpm=rpm,
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max_parallel_requests=max_parallel_requests,
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tpm=tpm,
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default_max_parallel_requests=litellm_router_instance.default_max_parallel_requests,
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)
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if calculated_max_parallel_requests:
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semaphore = asyncio.Semaphore(calculated_max_parallel_requests)
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cache_key = f"{model_id}_max_parallel_requests_client"
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=semaphore,
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local_only=True,
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)
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#### for OpenAI / Azure we need to initalize the Client for High Traffic ########
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custom_llm_provider = litellm_params.get("custom_llm_provider")
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custom_llm_provider = custom_llm_provider or model_name.split("/", 1)[0] or ""
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default_api_base = None
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default_api_key = None
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if custom_llm_provider in litellm.openai_compatible_providers:
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_, custom_llm_provider, api_key, api_base = litellm.get_llm_provider(
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model=model_name
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)
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default_api_base = api_base
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default_api_key = api_key
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if InitalizeOpenAISDKClient._should_create_openai_sdk_client_for_model(
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model_name=model_name,
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custom_llm_provider=custom_llm_provider,
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):
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client_initialization_params = (
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InitalizeOpenAISDKClient._get_client_initialization_params(
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model=model,
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model_name=model_name,
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custom_llm_provider=custom_llm_provider,
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litellm_params=litellm_params,
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default_api_key=default_api_key,
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default_api_base=default_api_base,
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)
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)
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############### Unpack client initialization params #######################
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api_key = client_initialization_params.api_key
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api_base = client_initialization_params.api_base
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api_version: Optional[str] = client_initialization_params.api_version
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timeout: Optional[Union[float, httpxTimeout]] = (
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client_initialization_params.timeout
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)
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stream_timeout: Optional[Union[float, httpxTimeout]] = (
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client_initialization_params.stream_timeout
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)
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max_retries: int = client_initialization_params.max_retries
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organization: Optional[str] = client_initialization_params.organization
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azure_ad_token_provider: Optional[Callable[[], str]] = (
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client_initialization_params.azure_ad_token_provider
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)
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custom_llm_provider = client_initialization_params.custom_llm_provider
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model_name = client_initialization_params.model_name
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##########################################################################
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if custom_llm_provider == "azure" or custom_llm_provider == "azure_text":
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if api_base is None or not isinstance(api_base, str):
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filtered_litellm_params = {
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k: v
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for k, v in model["litellm_params"].items()
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if k != "api_key"
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}
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_filtered_model = {
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"model_name": model["model_name"],
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"litellm_params": filtered_litellm_params,
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}
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raise ValueError(
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f"api_base is required for Azure OpenAI. Set it on your config. Model - {_filtered_model}"
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)
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azure_ad_token = litellm_params.get("azure_ad_token")
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if azure_ad_token is not None:
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if azure_ad_token.startswith("oidc/"):
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azure_ad_token = get_azure_ad_token_from_oidc(azure_ad_token)
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elif (
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azure_ad_token_provider is None
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and litellm.enable_azure_ad_token_refresh is True
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):
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try:
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azure_ad_token_provider = get_azure_ad_token_provider()
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except ValueError:
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verbose_router_logger.debug(
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"Azure AD Token Provider could not be used."
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)
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if api_version is None:
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api_version = os.getenv(
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"AZURE_API_VERSION", litellm.AZURE_DEFAULT_API_VERSION
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)
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if "gateway.ai.cloudflare.com" in api_base:
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if not api_base.endswith("/"):
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api_base += "/"
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azure_model = model_name.replace("azure/", "")
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api_base += f"{azure_model}"
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cache_key = f"{model_id}_async_client"
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_client = openai.AsyncAzureOpenAI(
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api_key=api_key,
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azure_ad_token=azure_ad_token,
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azure_ad_token_provider=azure_ad_token_provider,
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base_url=api_base,
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api_version=api_version,
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timeout=timeout,
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max_retries=max_retries,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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if InitalizeOpenAISDKClient.should_initialize_sync_client(
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litellm_router_instance=litellm_router_instance
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):
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cache_key = f"{model_id}_client"
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_client = openai.AzureOpenAI( # type: ignore
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api_key=api_key,
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azure_ad_token=azure_ad_token,
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azure_ad_token_provider=azure_ad_token_provider,
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base_url=api_base,
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api_version=api_version,
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timeout=timeout,
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max_retries=max_retries,
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http_client=httpx.Client(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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# streaming clients can have diff timeouts
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cache_key = f"{model_id}_stream_async_client"
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_client = openai.AsyncAzureOpenAI( # type: ignore
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api_key=api_key,
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azure_ad_token=azure_ad_token,
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azure_ad_token_provider=azure_ad_token_provider,
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base_url=api_base,
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api_version=api_version,
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timeout=stream_timeout,
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max_retries=max_retries,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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if InitalizeOpenAISDKClient.should_initialize_sync_client(
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litellm_router_instance=litellm_router_instance
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):
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cache_key = f"{model_id}_stream_client"
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_client = openai.AzureOpenAI( # type: ignore
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api_key=api_key,
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azure_ad_token=azure_ad_token,
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azure_ad_token_provider=azure_ad_token_provider,
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base_url=api_base,
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api_version=api_version,
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timeout=stream_timeout,
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max_retries=max_retries,
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http_client=httpx.Client(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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else:
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_api_key = api_key
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if _api_key is not None and isinstance(_api_key, str):
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# only show first 5 chars of api_key
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_api_key = _api_key[:8] + "*" * 15
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verbose_router_logger.debug(
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f"Initializing Azure OpenAI Client for {model_name}, Api Base: {str(api_base)}, Api Key:{_api_key}"
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)
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azure_client_params = {
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"api_key": api_key,
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"azure_endpoint": api_base,
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"api_version": api_version,
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"azure_ad_token": azure_ad_token,
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"azure_ad_token_provider": azure_ad_token_provider,
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}
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if azure_ad_token_provider is not None:
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azure_client_params["azure_ad_token_provider"] = (
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azure_ad_token_provider
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)
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from litellm.llms.AzureOpenAI.azure import (
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select_azure_base_url_or_endpoint,
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)
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# this decides if we should set azure_endpoint or base_url on Azure OpenAI Client
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# required to support GPT-4 vision enhancements, since base_url needs to be set on Azure OpenAI Client
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azure_client_params = select_azure_base_url_or_endpoint(
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azure_client_params
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)
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cache_key = f"{model_id}_async_client"
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_client = openai.AsyncAzureOpenAI( # type: ignore
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**azure_client_params,
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timeout=timeout,
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max_retries=max_retries,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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if InitalizeOpenAISDKClient.should_initialize_sync_client(
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litellm_router_instance=litellm_router_instance
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):
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cache_key = f"{model_id}_client"
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_client = openai.AzureOpenAI( # type: ignore
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**azure_client_params,
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timeout=timeout,
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max_retries=max_retries,
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http_client=httpx.Client(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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# streaming clients should have diff timeouts
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cache_key = f"{model_id}_stream_async_client"
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_client = openai.AsyncAzureOpenAI( # type: ignore
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**azure_client_params,
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timeout=stream_timeout,
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max_retries=max_retries,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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),
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
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ttl=client_ttl,
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local_only=True,
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) # cache for 1 hr
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if InitalizeOpenAISDKClient.should_initialize_sync_client(
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litellm_router_instance=litellm_router_instance
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):
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cache_key = f"{model_id}_stream_client"
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_client = openai.AzureOpenAI( # type: ignore
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**azure_client_params,
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timeout=stream_timeout,
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max_retries=max_retries,
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http_client=httpx.Client(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
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verify=litellm.ssl_verify,
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),
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)
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litellm_router_instance.cache.set_cache(
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key=cache_key,
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value=_client,
|
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ttl=client_ttl,
|
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local_only=True,
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) # cache for 1 hr
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|
|
else:
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_api_key = api_key # type: ignore
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if _api_key is not None and isinstance(_api_key, str):
|
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# only show first 5 chars of api_key
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_api_key = _api_key[:8] + "*" * 15
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verbose_router_logger.debug(
|
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f"Initializing OpenAI Client for {model_name}, Api Base:{str(api_base)}, Api Key:{_api_key}"
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)
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cache_key = f"{model_id}_async_client"
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_client = openai.AsyncOpenAI( # type: ignore
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api_key=api_key,
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base_url=api_base,
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timeout=timeout,
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max_retries=max_retries,
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organization=organization,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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|
),
|
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verify=litellm.ssl_verify,
|
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), # type: ignore
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)
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litellm_router_instance.cache.set_cache(
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|
key=cache_key,
|
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value=_client,
|
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ttl=client_ttl,
|
|
local_only=True,
|
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) # cache for 1 hr
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|
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if InitalizeOpenAISDKClient.should_initialize_sync_client(
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litellm_router_instance=litellm_router_instance
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|
):
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cache_key = f"{model_id}_client"
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_client = openai.OpenAI( # type: ignore
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api_key=api_key,
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base_url=api_base,
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timeout=timeout,
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max_retries=max_retries,
|
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organization=organization,
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http_client=httpx.Client(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
|
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verify=litellm.ssl_verify,
|
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), # type: ignore
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)
|
|
litellm_router_instance.cache.set_cache(
|
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key=cache_key,
|
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value=_client,
|
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ttl=client_ttl,
|
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local_only=True,
|
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) # cache for 1 hr
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|
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# streaming clients should have diff timeouts
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cache_key = f"{model_id}_stream_async_client"
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_client = openai.AsyncOpenAI( # type: ignore
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api_key=api_key,
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base_url=api_base,
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timeout=stream_timeout,
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max_retries=max_retries,
|
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organization=organization,
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http_client=httpx.AsyncClient(
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limits=httpx.Limits(
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max_connections=1000, max_keepalive_connections=100
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),
|
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verify=litellm.ssl_verify,
|
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), # type: ignore
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)
|
|
litellm_router_instance.cache.set_cache(
|
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key=cache_key,
|
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value=_client,
|
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ttl=client_ttl,
|
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local_only=True,
|
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) # cache for 1 hr
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|
|
if InitalizeOpenAISDKClient.should_initialize_sync_client(
|
|
litellm_router_instance=litellm_router_instance
|
|
):
|
|
# streaming clients should have diff timeouts
|
|
cache_key = f"{model_id}_stream_client"
|
|
_client = openai.OpenAI( # type: ignore
|
|
api_key=api_key,
|
|
base_url=api_base,
|
|
timeout=stream_timeout,
|
|
max_retries=max_retries,
|
|
organization=organization,
|
|
http_client=httpx.Client(
|
|
limits=httpx.Limits(
|
|
max_connections=1000, max_keepalive_connections=100
|
|
),
|
|
verify=litellm.ssl_verify,
|
|
), # type: ignore
|
|
)
|
|
litellm_router_instance.cache.set_cache(
|
|
key=cache_key,
|
|
value=_client,
|
|
ttl=client_ttl,
|
|
local_only=True,
|
|
) # cache for 1 hr
|
|
|
|
@staticmethod
|
|
def _get_client_initialization_params(
|
|
model: dict,
|
|
model_name: str,
|
|
custom_llm_provider: Optional[str],
|
|
litellm_params: dict,
|
|
default_api_key: Optional[str],
|
|
default_api_base: Optional[str],
|
|
) -> OpenAISDKClientInitializationParams:
|
|
"""
|
|
Returns params to use for initializing OpenAI SDK clients (for OpenAI, Azure OpenAI, OpenAI Compatible Providers)
|
|
|
|
Args:
|
|
model: model dict
|
|
model_name: model name
|
|
custom_llm_provider: custom llm provider
|
|
litellm_params: litellm params
|
|
default_api_key: default api key
|
|
default_api_base: default api base
|
|
|
|
Returns:
|
|
OpenAISDKClientInitializationParams
|
|
"""
|
|
|
|
is_azure_ai_studio_model: bool = False
|
|
if custom_llm_provider == "azure":
|
|
if litellm.utils._is_non_openai_azure_model(model_name):
|
|
is_azure_ai_studio_model = True
|
|
custom_llm_provider = "openai"
|
|
# remove azure prefx from model_name
|
|
model_name = model_name.replace("azure/", "")
|
|
# glorified / complicated reading of configs
|
|
# user can pass vars directly or they can pas os.environ/AZURE_API_KEY, in which case we will read the env
|
|
# we do this here because we init clients for Azure, OpenAI and we need to set the right key
|
|
api_key = litellm_params.get("api_key") or default_api_key
|
|
if api_key and isinstance(api_key, str) and api_key.startswith("os.environ/"):
|
|
api_key = get_secret_str(api_key)
|
|
litellm_params["api_key"] = api_key
|
|
|
|
api_base = litellm_params.get("api_base")
|
|
base_url: Optional[str] = litellm_params.get("base_url")
|
|
api_base = (
|
|
api_base or base_url or default_api_base
|
|
) # allow users to pass in `api_base` or `base_url` for azure
|
|
if api_base and api_base.startswith("os.environ/"):
|
|
api_base = get_secret_str(api_base)
|
|
litellm_params["api_base"] = api_base
|
|
|
|
## AZURE AI STUDIO MISTRAL CHECK ##
|
|
"""
|
|
Make sure api base ends in /v1/
|
|
|
|
if not, add it - https://github.com/BerriAI/litellm/issues/2279
|
|
"""
|
|
if (
|
|
is_azure_ai_studio_model is True
|
|
and api_base is not None
|
|
and isinstance(api_base, str)
|
|
and not api_base.endswith("/v1/")
|
|
):
|
|
# check if it ends with a trailing slash
|
|
if api_base.endswith("/"):
|
|
api_base += "v1/"
|
|
elif api_base.endswith("/v1"):
|
|
api_base += "/"
|
|
else:
|
|
api_base += "/v1/"
|
|
|
|
api_version = litellm_params.get("api_version")
|
|
if api_version and api_version.startswith("os.environ/"):
|
|
api_version = get_secret_str(api_version)
|
|
litellm_params["api_version"] = api_version
|
|
|
|
timeout: Optional[Union[float, str, httpxTimeout]] = (
|
|
litellm_params.pop("timeout", None) or litellm.request_timeout
|
|
)
|
|
if isinstance(timeout, str) and timeout.startswith("os.environ/"):
|
|
timeout = float(get_secret(timeout)) # type: ignore
|
|
litellm_params["timeout"] = timeout
|
|
|
|
stream_timeout: Optional[Union[float, str, httpxTimeout]] = litellm_params.pop(
|
|
"stream_timeout", timeout
|
|
) # if no stream_timeout is set, default to timeout
|
|
if isinstance(stream_timeout, str) and stream_timeout.startswith("os.environ/"):
|
|
stream_timeout = float(get_secret(stream_timeout)) # type: ignore
|
|
litellm_params["stream_timeout"] = stream_timeout
|
|
|
|
max_retries: Optional[int] = litellm_params.pop(
|
|
"max_retries", 0
|
|
) # router handles retry logic
|
|
if isinstance(max_retries, str) and max_retries.startswith("os.environ/"):
|
|
max_retries = get_secret(max_retries) # type: ignore
|
|
litellm_params["max_retries"] = max_retries
|
|
|
|
organization = litellm_params.get("organization", None)
|
|
if isinstance(organization, str) and organization.startswith("os.environ/"):
|
|
organization = get_secret_str(organization)
|
|
litellm_params["organization"] = organization
|
|
azure_ad_token_provider: Optional[Callable[[], str]] = None
|
|
tenant_id = litellm_params.get("tenant_id")
|
|
if tenant_id is not None:
|
|
verbose_router_logger.debug("Using Azure AD Token Provider for Azure Auth")
|
|
azure_ad_token_provider = (
|
|
InitalizeOpenAISDKClient.get_azure_ad_token_from_entrata_id(
|
|
tenant_id=tenant_id,
|
|
client_id=litellm_params.get("client_id"),
|
|
client_secret=litellm_params.get("client_secret"),
|
|
)
|
|
)
|
|
|
|
return OpenAISDKClientInitializationParams(
|
|
api_key=api_key,
|
|
api_base=api_base,
|
|
api_version=api_version,
|
|
azure_ad_token_provider=azure_ad_token_provider,
|
|
timeout=timeout, # type: ignore
|
|
stream_timeout=stream_timeout, # type: ignore
|
|
max_retries=max_retries, # type: ignore
|
|
organization=organization,
|
|
custom_llm_provider=custom_llm_provider,
|
|
model_name=model_name,
|
|
)
|
|
|
|
@staticmethod
|
|
def _should_create_openai_sdk_client_for_model(
|
|
model_name: str,
|
|
custom_llm_provider: str,
|
|
) -> bool:
|
|
"""
|
|
Returns True if a OpenAI SDK client should be created for a given model
|
|
|
|
We need a OpenAI SDK client for models that are callsed using OpenAI Python SDK
|
|
Azure OpenAI, OpenAI, OpenAI Compatible Providers, OpenAI Embedding Models
|
|
"""
|
|
if (
|
|
model_name in litellm.open_ai_chat_completion_models
|
|
or custom_llm_provider in litellm.openai_compatible_providers
|
|
or custom_llm_provider == "azure"
|
|
or custom_llm_provider == "azure_text"
|
|
or custom_llm_provider == "custom_openai"
|
|
or custom_llm_provider == "openai"
|
|
or custom_llm_provider == "text-completion-openai"
|
|
or "ft:gpt-3.5-turbo" in model_name
|
|
or model_name in litellm.open_ai_embedding_models
|
|
):
|
|
return True
|
|
return False
|
|
|
|
@staticmethod
|
|
def get_azure_ad_token_from_entrata_id(
|
|
tenant_id: str, client_id: Optional[str], client_secret: Optional[str]
|
|
) -> Callable[[], str]:
|
|
from azure.identity import (
|
|
ClientSecretCredential,
|
|
DefaultAzureCredential,
|
|
get_bearer_token_provider,
|
|
)
|
|
|
|
if client_id is None or client_secret is None:
|
|
raise ValueError(
|
|
"client_id and client_secret must be provided when using `tenant_id`"
|
|
)
|
|
|
|
verbose_router_logger.debug("Getting Azure AD Token from Entrata ID")
|
|
|
|
if tenant_id.startswith("os.environ/"):
|
|
_tenant_id = get_secret_str(tenant_id)
|
|
else:
|
|
_tenant_id = tenant_id
|
|
|
|
if client_id.startswith("os.environ/"):
|
|
_client_id = get_secret_str(client_id)
|
|
else:
|
|
_client_id = client_id
|
|
|
|
if client_secret.startswith("os.environ/"):
|
|
_client_secret = get_secret_str(client_secret)
|
|
else:
|
|
_client_secret = client_secret
|
|
|
|
verbose_router_logger.debug(
|
|
"tenant_id %s, client_id %s, client_secret %s",
|
|
_tenant_id,
|
|
_client_id,
|
|
_client_secret,
|
|
)
|
|
if _tenant_id is None or _client_id is None or _client_secret is None:
|
|
raise ValueError("tenant_id, client_id, and client_secret must be provided")
|
|
credential = ClientSecretCredential(_tenant_id, _client_id, _client_secret)
|
|
|
|
verbose_router_logger.debug("credential %s", credential)
|
|
|
|
token_provider = get_bearer_token_provider(
|
|
credential, "https://cognitiveservices.azure.com/.default"
|
|
)
|
|
|
|
verbose_router_logger.debug("token_provider %s", token_provider)
|
|
|
|
return token_provider
|