cherry-pick b46c1523
This commit is contained in:
Raphaël MANSUY
parent
be0063fdbb
commit
79698f6fae
1 changed files with 331 additions and 104 deletions
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@ -11,7 +11,6 @@ if not pm.is_installed("openai"):
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pm.install("openai")
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from openai import (
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AsyncOpenAI,
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APIConnectionError,
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RateLimitError,
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APITimeoutError,
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@ -28,18 +27,6 @@ from lightrag.utils import (
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logger,
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)
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# Try to import Langfuse for LLM observability (optional)
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# Falls back to standard OpenAI client if not available
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try:
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from langfuse.openai import AsyncOpenAI
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LANGFUSE_ENABLED = True
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logger.info("Langfuse observability enabled for OpenAI client")
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except ImportError:
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from openai import AsyncOpenAI
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LANGFUSE_ENABLED = False
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logger.debug("Langfuse not available, using standard OpenAI client")
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from lightrag.types import GPTKeywordExtractionFormat
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from lightrag.api import __api_version__
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@ -49,6 +36,32 @@ from typing import Any, Union
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from dotenv import load_dotenv
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# Try to import Langfuse for LLM observability (optional)
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# Falls back to standard OpenAI client if not available
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# Langfuse requires proper configuration to work correctly
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LANGFUSE_ENABLED = False
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try:
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# Check if required Langfuse environment variables are set
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langfuse_public_key = os.environ.get("LANGFUSE_PUBLIC_KEY")
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langfuse_secret_key = os.environ.get("LANGFUSE_SECRET_KEY")
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# Only enable Langfuse if both keys are configured
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if langfuse_public_key and langfuse_secret_key:
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from langfuse.openai import AsyncOpenAI # type: ignore[import-untyped]
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LANGFUSE_ENABLED = True
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logger.info("Langfuse observability enabled for OpenAI client")
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else:
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from openai import AsyncOpenAI
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logger.debug(
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"Langfuse environment variables not configured, using standard OpenAI client"
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)
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except ImportError:
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from openai import AsyncOpenAI
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logger.debug("Langfuse not available, using standard OpenAI client")
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# use the .env that is inside the current folder
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# allows to use different .env file for each lightrag instance
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# the OS environment variables take precedence over the .env file
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@ -64,46 +77,73 @@ class InvalidResponseError(Exception):
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def create_openai_async_client(
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api_key: str | None = None,
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base_url: str | None = None,
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use_azure: bool = False,
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azure_deployment: str | None = None,
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api_version: str | None = None,
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timeout: int | None = None,
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client_configs: dict[str, Any] | None = None,
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) -> AsyncOpenAI:
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"""Create an AsyncOpenAI client with the given configuration.
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"""Create an AsyncOpenAI or AsyncAzureOpenAI client with the given configuration.
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Args:
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api_key: OpenAI API key. If None, uses the OPENAI_API_KEY environment variable.
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base_url: Base URL for the OpenAI API. If None, uses the default OpenAI API URL.
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use_azure: Whether to create an Azure OpenAI client. Default is False.
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azure_deployment: Azure OpenAI deployment name (only used when use_azure=True).
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api_version: Azure OpenAI API version (only used when use_azure=True).
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timeout: Request timeout in seconds.
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client_configs: Additional configuration options for the AsyncOpenAI client.
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These will override any default configurations but will be overridden by
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explicit parameters (api_key, base_url).
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Returns:
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An AsyncOpenAI client instance.
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An AsyncOpenAI or AsyncAzureOpenAI client instance.
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"""
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if not api_key:
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api_key = os.environ["OPENAI_API_KEY"]
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if use_azure:
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from openai import AsyncAzureOpenAI
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default_headers = {
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"User-Agent": f"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) LightRAG/{__api_version__}",
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"Content-Type": "application/json",
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}
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if not api_key:
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api_key = os.environ.get("AZURE_OPENAI_API_KEY") or os.environ.get(
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"LLM_BINDING_API_KEY"
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)
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if client_configs is None:
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client_configs = {}
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# Create a merged config dict with precedence: explicit params > client_configs > defaults
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merged_configs = {
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**client_configs,
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"default_headers": default_headers,
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"api_key": api_key,
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}
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if base_url is not None:
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merged_configs["base_url"] = base_url
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else:
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merged_configs["base_url"] = os.environ.get(
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"OPENAI_API_BASE", "https://api.openai.com/v1"
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return AsyncAzureOpenAI(
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azure_endpoint=base_url,
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azure_deployment=azure_deployment,
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api_key=api_key,
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api_version=api_version,
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timeout=timeout,
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)
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else:
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if not api_key:
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api_key = os.environ["OPENAI_API_KEY"]
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return AsyncOpenAI(**merged_configs)
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default_headers = {
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"User-Agent": f"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) LightRAG/{__api_version__}",
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"Content-Type": "application/json",
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}
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if client_configs is None:
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client_configs = {}
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# Create a merged config dict with precedence: explicit params > client_configs > defaults
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merged_configs = {
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**client_configs,
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"default_headers": default_headers,
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"api_key": api_key,
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}
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if base_url is not None:
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merged_configs["base_url"] = base_url
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else:
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merged_configs["base_url"] = os.environ.get(
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"OPENAI_API_BASE", "https://api.openai.com/v1"
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)
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if timeout is not None:
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merged_configs["timeout"] = timeout
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return AsyncOpenAI(**merged_configs)
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@retry(
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@ -125,6 +165,12 @@ async def openai_complete_if_cache(
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base_url: str | None = None,
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api_key: str | None = None,
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token_tracker: Any | None = None,
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stream: bool | None = None,
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timeout: int | None = None,
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keyword_extraction: bool = False,
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use_azure: bool = False,
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azure_deployment: str | None = None,
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api_version: str | None = None,
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**kwargs: Any,
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) -> str:
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"""Complete a prompt using OpenAI's API with caching support and Chain of Thought (COT) integration.
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@ -154,13 +200,15 @@ async def openai_complete_if_cache(
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api_key: Optional OpenAI API key. If None, uses the OPENAI_API_KEY environment variable.
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token_tracker: Optional token usage tracker for monitoring API usage.
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enable_cot: Whether to enable Chain of Thought (COT) processing. Default is False.
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stream: Whether to stream the response. Default is False.
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timeout: Request timeout in seconds. Default is None.
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keyword_extraction: Whether to enable keyword extraction mode. When True, triggers
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special response formatting for keyword extraction. Default is False.
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**kwargs: Additional keyword arguments to pass to the OpenAI API.
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Special kwargs:
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- openai_client_configs: Dict of configuration options for the AsyncOpenAI client.
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These will be passed to the client constructor but will be overridden by
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explicit parameters (api_key, base_url).
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- hashing_kv: Will be removed from kwargs before passing to OpenAI.
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- keyword_extraction: Will be removed from kwargs before passing to OpenAI.
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Returns:
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The completed text (with integrated COT content if available) or an async iterator
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@ -181,15 +229,22 @@ async def openai_complete_if_cache(
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# Remove special kwargs that shouldn't be passed to OpenAI
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kwargs.pop("hashing_kv", None)
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kwargs.pop("keyword_extraction", None)
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# Extract client configuration options
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client_configs = kwargs.pop("openai_client_configs", {})
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# Create the OpenAI client
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# Handle keyword extraction mode
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if keyword_extraction:
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kwargs["response_format"] = GPTKeywordExtractionFormat
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# Create the OpenAI client (supports both OpenAI and Azure)
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openai_async_client = create_openai_async_client(
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api_key=api_key,
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base_url=base_url,
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use_azure=use_azure,
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azure_deployment=azure_deployment,
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api_version=api_version,
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timeout=timeout,
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client_configs=client_configs,
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)
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@ -211,10 +266,16 @@ async def openai_complete_if_cache(
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messages = kwargs.pop("messages", messages)
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# Add explicit parameters back to kwargs so they're passed to OpenAI API
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if stream is not None:
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kwargs["stream"] = stream
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if timeout is not None:
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kwargs["timeout"] = timeout
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try:
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# Don't use async with context manager, use client directly
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if "response_format" in kwargs:
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response = await openai_async_client.beta.chat.completions.parse(
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response = await openai_async_client.chat.completions.parse(
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model=model, messages=messages, **kwargs
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)
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else:
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@ -383,18 +444,23 @@ async def openai_complete_if_cache(
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)
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# Ensure resources are released even if no exception occurs
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if (
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iteration_started
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and hasattr(response, "aclose")
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and callable(getattr(response, "aclose", None))
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):
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try:
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await response.aclose()
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logger.debug("Successfully closed stream response")
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except Exception as close_error:
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logger.warning(
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f"Failed to close stream response in finally block: {close_error}"
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)
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# Note: Some wrapped clients (e.g., Langfuse) may not implement aclose() properly
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if iteration_started and hasattr(response, "aclose"):
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aclose_method = getattr(response, "aclose", None)
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if callable(aclose_method):
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try:
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await response.aclose()
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logger.debug("Successfully closed stream response")
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except (AttributeError, TypeError) as close_error:
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# Some wrapper objects may report hasattr(aclose) but fail when called
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# This is expected behavior for certain client wrappers
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logger.debug(
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f"Stream response cleanup not supported by client wrapper: {close_error}"
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)
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except Exception as close_error:
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logger.warning(
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f"Unexpected error during stream response cleanup: {close_error}"
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)
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# This prevents resource leaks since the caller doesn't handle closing
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try:
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@ -421,46 +487,57 @@ async def openai_complete_if_cache(
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raise InvalidResponseError("Invalid response from OpenAI API")
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message = response.choices[0].message
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content = getattr(message, "content", None)
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reasoning_content = getattr(message, "reasoning_content", "")
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# Handle COT logic for non-streaming responses (only if enabled)
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final_content = ""
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# Handle parsed responses (structured output via response_format)
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# When using beta.chat.completions.parse(), the response is in message.parsed
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if hasattr(message, "parsed") and message.parsed is not None:
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# Serialize the parsed structured response to JSON
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final_content = message.parsed.model_dump_json()
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logger.debug("Using parsed structured response from API")
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else:
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# Handle regular content responses
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content = getattr(message, "content", None)
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reasoning_content = getattr(message, "reasoning_content", "")
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if enable_cot:
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# Check if we should include reasoning content
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should_include_reasoning = False
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if reasoning_content and reasoning_content.strip():
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if not content or content.strip() == "":
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# Case 1: Only reasoning content, should include COT
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should_include_reasoning = True
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final_content = (
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content or ""
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) # Use empty string if content is None
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# Handle COT logic for non-streaming responses (only if enabled)
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final_content = ""
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if enable_cot:
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# Check if we should include reasoning content
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should_include_reasoning = False
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if reasoning_content and reasoning_content.strip():
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if not content or content.strip() == "":
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# Case 1: Only reasoning content, should include COT
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should_include_reasoning = True
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final_content = (
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content or ""
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) # Use empty string if content is None
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else:
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# Case 3: Both content and reasoning_content present, ignore reasoning
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should_include_reasoning = False
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final_content = content
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else:
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# Case 3: Both content and reasoning_content present, ignore reasoning
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should_include_reasoning = False
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final_content = content
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# No reasoning content, use regular content
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final_content = content or ""
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# Apply COT wrapping if needed
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if should_include_reasoning:
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if r"\u" in reasoning_content:
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reasoning_content = safe_unicode_decode(
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reasoning_content.encode("utf-8")
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)
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final_content = (
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f"<think>{reasoning_content}</think>{final_content}"
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)
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else:
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# No reasoning content, use regular content
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# COT disabled, only use regular content
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final_content = content or ""
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# Apply COT wrapping if needed
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if should_include_reasoning:
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if r"\u" in reasoning_content:
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reasoning_content = safe_unicode_decode(
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reasoning_content.encode("utf-8")
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)
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final_content = f"<think>{reasoning_content}</think>{final_content}"
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else:
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# COT disabled, only use regular content
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final_content = content or ""
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# Validate final content
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if not final_content or final_content.strip() == "":
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logger.error("Received empty content from OpenAI API")
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await openai_async_client.close() # Ensure client is closed
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raise InvalidResponseError("Received empty content from OpenAI API")
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# Validate final content
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if not final_content or final_content.strip() == "":
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logger.error("Received empty content from OpenAI API")
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await openai_async_client.close() # Ensure client is closed
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raise InvalidResponseError("Received empty content from OpenAI API")
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# Apply Unicode decoding to final content if needed
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if r"\u" in final_content:
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@ -494,15 +571,13 @@ async def openai_complete(
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) -> Union[str, AsyncIterator[str]]:
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if history_messages is None:
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history_messages = []
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keyword_extraction = kwargs.pop("keyword_extraction", None)
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if keyword_extraction:
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kwargs["response_format"] = "json"
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model_name = kwargs["hashing_kv"].global_config["llm_model_name"]
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return await openai_complete_if_cache(
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model_name,
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prompt,
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system_prompt=system_prompt,
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history_messages=history_messages,
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keyword_extraction=keyword_extraction,
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**kwargs,
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)
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@ -517,15 +592,13 @@ async def gpt_4o_complete(
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) -> str:
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if history_messages is None:
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history_messages = []
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keyword_extraction = kwargs.pop("keyword_extraction", None)
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if keyword_extraction:
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kwargs["response_format"] = GPTKeywordExtractionFormat
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return await openai_complete_if_cache(
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"gpt-4o",
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prompt,
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system_prompt=system_prompt,
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history_messages=history_messages,
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enable_cot=enable_cot,
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keyword_extraction=keyword_extraction,
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**kwargs,
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)
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@ -540,15 +613,13 @@ async def gpt_4o_mini_complete(
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) -> str:
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if history_messages is None:
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history_messages = []
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keyword_extraction = kwargs.pop("keyword_extraction", None)
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if keyword_extraction:
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kwargs["response_format"] = GPTKeywordExtractionFormat
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return await openai_complete_if_cache(
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"gpt-4o-mini",
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prompt,
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system_prompt=system_prompt,
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history_messages=history_messages,
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enable_cot=enable_cot,
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keyword_extraction=keyword_extraction,
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**kwargs,
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)
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|
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@ -563,20 +634,20 @@ async def nvidia_openai_complete(
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) -> str:
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if history_messages is None:
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history_messages = []
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kwargs.pop("keyword_extraction", None)
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result = await openai_complete_if_cache(
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"nvidia/llama-3.1-nemotron-70b-instruct", # context length 128k
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prompt,
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system_prompt=system_prompt,
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history_messages=history_messages,
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enable_cot=enable_cot,
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keyword_extraction=keyword_extraction,
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base_url="https://integrate.api.nvidia.com/v1",
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**kwargs,
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)
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return result
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@wrap_embedding_func_with_attrs(embedding_dim=1536)
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@wrap_embedding_func_with_attrs(embedding_dim=1536, max_token_size=8192)
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@retry(
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stop=stop_after_attempt(3),
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wait=wait_exponential(multiplier=1, min=4, max=60),
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|
@ -591,8 +662,12 @@ async def openai_embed(
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model: str = "text-embedding-3-small",
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base_url: str | None = None,
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api_key: str | None = None,
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embedding_dim: int | None = None,
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client_configs: dict[str, Any] | None = None,
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token_tracker: Any | None = None,
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use_azure: bool = False,
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azure_deployment: str | None = None,
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api_version: str | None = None,
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) -> np.ndarray:
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"""Generate embeddings for a list of texts using OpenAI's API.
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@ -601,6 +676,12 @@ async def openai_embed(
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model: The OpenAI embedding model to use.
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base_url: Optional base URL for the OpenAI API.
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api_key: Optional OpenAI API key. If None, uses the OPENAI_API_KEY environment variable.
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embedding_dim: Optional embedding dimension for dynamic dimension reduction.
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**IMPORTANT**: This parameter is automatically injected by the EmbeddingFunc wrapper.
|
||||
Do NOT manually pass this parameter when calling the function directly.
|
||||
The dimension is controlled by the @wrap_embedding_func_with_attrs decorator.
|
||||
Manually passing a different value will trigger a warning and be ignored.
|
||||
When provided (by EmbeddingFunc), it will be passed to the OpenAI API for dimension reduction.
|
||||
client_configs: Additional configuration options for the AsyncOpenAI client.
|
||||
These will override any default configurations but will be overridden by
|
||||
explicit parameters (api_key, base_url).
|
||||
|
|
@ -614,15 +695,30 @@ async def openai_embed(
|
|||
RateLimitError: If the OpenAI API rate limit is exceeded.
|
||||
APITimeoutError: If the OpenAI API request times out.
|
||||
"""
|
||||
# Create the OpenAI client
|
||||
# Create the OpenAI client (supports both OpenAI and Azure)
|
||||
openai_async_client = create_openai_async_client(
|
||||
api_key=api_key, base_url=base_url, client_configs=client_configs
|
||||
api_key=api_key,
|
||||
base_url=base_url,
|
||||
use_azure=use_azure,
|
||||
azure_deployment=azure_deployment,
|
||||
api_version=api_version,
|
||||
client_configs=client_configs,
|
||||
)
|
||||
|
||||
async with openai_async_client:
|
||||
response = await openai_async_client.embeddings.create(
|
||||
model=model, input=texts, encoding_format="base64"
|
||||
)
|
||||
# Prepare API call parameters
|
||||
api_params = {
|
||||
"model": model,
|
||||
"input": texts,
|
||||
"encoding_format": "base64",
|
||||
}
|
||||
|
||||
# Add dimensions parameter only if embedding_dim is provided
|
||||
if embedding_dim is not None:
|
||||
api_params["dimensions"] = embedding_dim
|
||||
|
||||
# Make API call
|
||||
response = await openai_async_client.embeddings.create(**api_params)
|
||||
|
||||
if token_tracker and hasattr(response, "usage"):
|
||||
token_counts = {
|
||||
|
|
@ -639,3 +735,134 @@ async def openai_embed(
|
|||
for dp in response.data
|
||||
]
|
||||
)
|
||||
|
||||
|
||||
# Azure OpenAI wrapper functions for backward compatibility
|
||||
async def azure_openai_complete_if_cache(
|
||||
model,
|
||||
prompt,
|
||||
system_prompt: str | None = None,
|
||||
history_messages: list[dict[str, Any]] | None = None,
|
||||
enable_cot: bool = False,
|
||||
base_url: str | None = None,
|
||||
api_key: str | None = None,
|
||||
api_version: str | None = None,
|
||||
keyword_extraction: bool = False,
|
||||
**kwargs,
|
||||
):
|
||||
"""Azure OpenAI completion wrapper function.
|
||||
|
||||
This function provides backward compatibility by wrapping the unified
|
||||
openai_complete_if_cache implementation with Azure-specific parameter handling.
|
||||
"""
|
||||
# Handle Azure-specific environment variables and parameters
|
||||
deployment = os.getenv("AZURE_OPENAI_DEPLOYMENT") or model or os.getenv("LLM_MODEL")
|
||||
base_url = (
|
||||
base_url or os.getenv("AZURE_OPENAI_ENDPOINT") or os.getenv("LLM_BINDING_HOST")
|
||||
)
|
||||
api_key = (
|
||||
api_key or os.getenv("AZURE_OPENAI_API_KEY") or os.getenv("LLM_BINDING_API_KEY")
|
||||
)
|
||||
api_version = (
|
||||
api_version
|
||||
or os.getenv("AZURE_OPENAI_API_VERSION")
|
||||
or os.getenv("OPENAI_API_VERSION")
|
||||
)
|
||||
|
||||
# Pop timeout from kwargs if present (will be handled by openai_complete_if_cache)
|
||||
timeout = kwargs.pop("timeout", None)
|
||||
|
||||
# Call the unified implementation with Azure-specific parameters
|
||||
return await openai_complete_if_cache(
|
||||
model=model,
|
||||
prompt=prompt,
|
||||
system_prompt=system_prompt,
|
||||
history_messages=history_messages,
|
||||
enable_cot=enable_cot,
|
||||
base_url=base_url,
|
||||
api_key=api_key,
|
||||
timeout=timeout,
|
||||
use_azure=True,
|
||||
azure_deployment=deployment,
|
||||
api_version=api_version,
|
||||
keyword_extraction=keyword_extraction,
|
||||
**kwargs,
|
||||
)
|
||||
|
||||
|
||||
async def azure_openai_complete(
|
||||
prompt,
|
||||
system_prompt=None,
|
||||
history_messages=None,
|
||||
keyword_extraction=False,
|
||||
**kwargs,
|
||||
) -> str:
|
||||
"""Azure OpenAI complete wrapper function.
|
||||
|
||||
Provides backward compatibility for azure_openai_complete calls.
|
||||
"""
|
||||
if history_messages is None:
|
||||
history_messages = []
|
||||
result = await azure_openai_complete_if_cache(
|
||||
os.getenv("LLM_MODEL", "gpt-4o-mini"),
|
||||
prompt,
|
||||
system_prompt=system_prompt,
|
||||
history_messages=history_messages,
|
||||
keyword_extraction=keyword_extraction,
|
||||
**kwargs,
|
||||
)
|
||||
return result
|
||||
|
||||
|
||||
@wrap_embedding_func_with_attrs(embedding_dim=1536)
|
||||
@retry(
|
||||
stop=stop_after_attempt(3),
|
||||
wait=wait_exponential(multiplier=1, min=4, max=10),
|
||||
retry=retry_if_exception_type(
|
||||
(RateLimitError, APIConnectionError, APITimeoutError)
|
||||
),
|
||||
)
|
||||
async def azure_openai_embed(
|
||||
texts: list[str],
|
||||
model: str | None = None,
|
||||
base_url: str | None = None,
|
||||
api_key: str | None = None,
|
||||
api_version: str | None = None,
|
||||
) -> np.ndarray:
|
||||
"""Azure OpenAI embedding wrapper function.
|
||||
|
||||
This function provides backward compatibility by wrapping the unified
|
||||
openai_embed implementation with Azure-specific parameter handling.
|
||||
"""
|
||||
# Handle Azure-specific environment variables and parameters
|
||||
deployment = (
|
||||
os.getenv("AZURE_EMBEDDING_DEPLOYMENT")
|
||||
or model
|
||||
or os.getenv("EMBEDDING_MODEL", "text-embedding-3-small")
|
||||
)
|
||||
base_url = (
|
||||
base_url
|
||||
or os.getenv("AZURE_EMBEDDING_ENDPOINT")
|
||||
or os.getenv("EMBEDDING_BINDING_HOST")
|
||||
)
|
||||
api_key = (
|
||||
api_key
|
||||
or os.getenv("AZURE_EMBEDDING_API_KEY")
|
||||
or os.getenv("EMBEDDING_BINDING_API_KEY")
|
||||
)
|
||||
api_version = (
|
||||
api_version
|
||||
or os.getenv("AZURE_EMBEDDING_API_VERSION")
|
||||
or os.getenv("OPENAI_API_VERSION")
|
||||
)
|
||||
|
||||
# Call the unified implementation with Azure-specific parameters
|
||||
return await openai_embed(
|
||||
texts=texts,
|
||||
model=model or deployment,
|
||||
base_url=base_url,
|
||||
api_key=api_key,
|
||||
use_azure=True,
|
||||
azure_deployment=deployment,
|
||||
api_version=api_version,
|
||||
)
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue