Add OpenAI v1.x.x compatibility to embedding models and api base

[HollowMan6]

• Support passing the client as the parameter
• In OpenAI v1.x.x, api_base has been renamed into base_url
  Support on setting the API_BASE variable openai/openai-python#1051 (comment)
  Adapter the openai 1.x version #614 (comment)

Test code

import time, os

from gptcache import cache, Config
from gptcache.manager import manager_factory
from gptcache.embedding import OpenAI as EmbeddingModel
from gptcache.processor.post import temperature_softmax
from gptcache.similarity_evaluation.distance import SearchDistanceEvaluation
from gptcache.adapter import openai
from openai import OpenAI

os.environ["OPENAI_API_KEY"] = "sk-xxxxxx"
os.environ["OPENAI_BASE_URL"] = "https://api.openai.com/v1"

cache.set_openai_key()

client = OpenAI()

embedding_model = EmbeddingModel(model="text-embedding-3-large", client=client)
data_manager = manager_factory("sqlite,faiss", vector_params={"dimension": embedding_model.dimension})

cache.init(
    embedding_func=embedding_model.to_embeddings,
    data_manager=data_manager,
    similarity_evaluation=SearchDistanceEvaluation(),
    post_process_messages_func=temperature_softmax
    )
cache.config = Config(similarity_threshold=0.9)

def openai_chat():
  question = 'what is github'
  start = time.time()
  answer = openai.cache_openai_chat_complete(
        client,
        model='gpt-4o',
        messages=[
          {
              'role': 'user',
              'content': question
          }
        ],
      )
  print(answer)
  print(time.time() - start)

openai_chat()
openai_chat()

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[sre-ci-robot]

Welcome @HollowMan6! It looks like this is your first PR to zilliztech/GPTCache 🎉

[HollowMan6]

The unittest failure doesn't look like it's introduced by this PR https://github.com/zilliztech/GPTCache/actions/runs/10654173032/job/29542114701

ModuleNotFoundError: No module named 'langchain_community'

[oussamaJmaaa]

any updates on this ? only openai v0.28.0 worked for me , if i tried updating openai i face errors .

[SimFG]

This part of the compatibility may not be easy to handle, you can refer to my previous issue. #613