Files
2026-05-12 19:40:31 +09:00

199 lines
7.0 KiB
Python

import os
from typing import Any, Dict, Iterator, List, Optional, cast
import openai
from guardrails.classes.llm.llm_response import LLMResponse
from guardrails.utils.safe_get import safe_get
from guardrails.telemetry import trace_llm_call, trace_operation
class OpenAIClientV1:
def __init__(
self,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
*args,
**kwargs,
):
if api_key is None:
api_key = os.environ.get("OPENAI_API_KEY")
self.api_key = api_key
self.api_base = api_base
self.client = openai.Client(
api_key=self.api_key,
base_url=self.api_base,
)
def create_embedding(
self,
model: str,
input: List[str],
) -> List[List[float]]:
embeddings = self.client.embeddings.create(
model=model,
input=input,
)
return [r.embedding for r in embeddings.data]
def create_completion(
self, engine: str, prompt: str, *args, **kwargs
) -> LLMResponse:
trace_operation(
input_mime_type="application/json",
input_value={
**kwargs,
"model": engine,
"prompt": prompt,
"args": args,
},
)
trace_llm_call(
invocation_parameters={
**kwargs,
"model": engine,
"prompt": prompt,
}
)
response = self.client.completions.create(
model=engine, prompt=prompt, *args, **kwargs
)
trace_operation(output_mime_type="application/json", output_value=response)
return self.construct_nonchat_response(
stream=kwargs.get("stream", False),
openai_response=response,
)
def construct_nonchat_response(
self,
stream: bool,
openai_response: Any,
) -> LLMResponse:
"""Construct an LLMResponse from an OpenAI response.
Splits execution based on whether the `stream` parameter is set
in the kwargs.
"""
if stream:
# If stream is defined and set to True,
# openai returns a generator
openai_response = cast(Iterator[Dict[str, Any]], openai_response)
# Simply return the generator wrapped in an LLMResponse
return LLMResponse(output="", streamOutput=openai_response)
# If stream is not defined or is set to False,
# return default behavior
openai_response = cast(Dict[str, Any], openai_response)
if not openai_response.choices:
raise ValueError("No choices returned from OpenAI")
if openai_response.usage is None:
raise ValueError("No token counts returned from OpenAI")
trace_llm_call(
output_messages=[
{"role": "assistant", "content": openai_response.choices[0].text}
],
token_count_completion=openai_response.usage.completion_tokens,
token_count_prompt=openai_response.usage.prompt_tokens,
token_count_total=openai_response.usage.total_tokens,
)
return LLMResponse(
output=openai_response.choices[0].text, # type: ignore
prompt_token_count=openai_response.usage.prompt_tokens, # type: ignore
response_token_count=openai_response.usage.completion_tokens, # noqa: E501 # type: ignore
)
def create_chat_completion(
self, model: str, messages: List[Any], *args, **kwargs
) -> LLMResponse:
trace_operation(
input_mime_type="application/json",
input_value={
**kwargs,
"model": model,
"messages": messages,
"args": args,
},
)
function_calling_tools = [
tool.get("function")
for tool in kwargs.get("tools", [])
if isinstance(tool, Dict) and tool.get("type") == "function"
]
trace_llm_call(
input_messages=messages,
model_name=model,
invocation_parameters={**kwargs, "model": model, "messages": messages},
function_call=kwargs.get(
"function_call", safe_get(function_calling_tools, 0)
),
)
response = self.client.chat.completions.create(
model=model, messages=messages, *args, **kwargs
)
trace_operation(output_mime_type="application/json", output_value=response)
return self.construct_chat_response(
stream=kwargs.get("stream", False),
openai_response=response,
)
def construct_chat_response(
self,
stream: bool,
openai_response: Any,
) -> LLMResponse:
"""Construct an LLMResponse from an OpenAI response.
Splits execution based on whether the `stream` parameter is set
in the kwargs.
"""
if stream:
# If stream is defined and set to True,
# openai returns a generator object
openai_response = cast(Iterator[Dict[str, Any]], openai_response)
# Simply return the generator wrapped in an LLMResponse
return LLMResponse(output="", streamOutput=openai_response)
# If stream is not defined or is set to False,
# extract string from response
openai_response = cast(Dict[str, Any], openai_response)
if not openai_response.choices:
raise ValueError("No choices returned from OpenAI")
if not openai_response.choices[0].message:
raise ValueError("No message returned from OpenAI")
if openai_response.usage is None:
raise ValueError("No token counts returned from OpenAI")
if openai_response.choices[0].message.content is not None:
output = openai_response.choices[0].message.content
else:
try:
output = openai_response.choices[0].message.function_call.arguments
except AttributeError:
try:
choice = openai_response.choices[0]
output = choice.message.tool_calls[-1].function.arguments
except AttributeError as ae_tools:
raise ValueError(
"No message content or function"
" call arguments returned from OpenAI"
) from ae_tools
trace_llm_call(
output_messages=[choice.message for choice in openai_response.choices], # type: ignore
token_count_completion=openai_response.usage.completion_tokens,
token_count_prompt=openai_response.usage.prompt_tokens,
token_count_total=openai_response.usage.total_tokens,
)
return LLMResponse(
output=output,
prompt_token_count=openai_response.usage.prompt_tokens, # type: ignore
response_token_count=openai_response.usage.completion_tokens, # noqa: E501 # type: ignore
)