[Feature] Added extra_body support for OpenAISDK; Added support for proxy URL when connecting to OpenAI's API. (#1467)

* fix lint issues

* fix lint issues

opencompass/models/openai_api.py

@@ -6,6 +6,7 @@ from concurrent.futures import ThreadPoolExecutor
 from threading import Lock
 from typing import Dict, List, Optional, Union
 
+import httpx
 import jieba
 import requests
 
@@ -46,6 +47,10 @@ class OpenAI(BaseAPIModel):
             wrapping of any meta instructions.
         openai_api_base (str): The base url of OpenAI's API. Defaults to
             'https://api.openai.com/v1/chat/completions'.
+        openai_proxy_url (str, optional): An optional proxy url to use when
+            connecting to OpenAI's API. When set to 'ENV', the url will be
+            fetched from the environment variable $OPENAI_PROXY_URL.
+            Defaults to None.
         mode (str, optional): The method of input truncation when input length
             exceeds max_seq_len. 'front','mid' and 'rear' represents the part
             of input to truncate. Defaults to 'none'.
@@ -71,6 +76,7 @@ class OpenAI(BaseAPIModel):
                  org: Optional[Union[str, List[str]]] = None,
                  meta_template: Optional[Dict] = None,
                  openai_api_base: str = OPENAI_API_BASE,
+                 openai_proxy_url: Optional[str] = None,
                  mode: str = 'none',
                  logprobs: Optional[bool] = False,
                  top_logprobs: Optional[int] = None,
@@ -116,6 +122,14 @@ class OpenAI(BaseAPIModel):
             self.orgs = org
         self.org_ctr = 0
         self.url = openai_api_base
+
+        if openai_proxy_url == 'ENV':
+            if 'OPENAI_PROXY_URL' not in os.environ:
+                raise ValueError('OPENAI_PROXY_URL is not set.')
+            self.proxy_url = os.getenv('OPENAI_PROXY_URL')
+        else:
+            self.proxy_url = openai_proxy_url
+
         self.path = path
 
     def generate(self,
@@ -258,9 +272,24 @@ class OpenAI(BaseAPIModel):
                     url = self.url[random.randint(0, len(self.url) - 1)]
                 else:
                     url = self.url
-                raw_response = requests.post(url,
+
-                                             headers=header,
+                if self.proxy_url is None:
-                                             data=json.dumps(data))
+                    raw_response = requests.post(url,
+                                                 headers=header,
+                                                 data=json.dumps(data))
+                else:
+                    proxies = {
+                        'http': self.proxy_url,
+                        'https': self.proxy_url,
+                    }
+
+                    raw_response = requests.post(
+                        url,
+                        headers=header,
+                        data=json.dumps(data),
+                        proxies=proxies,
+                    )
+
             except requests.ConnectionError:
                 self.logger.error('Got connection error, retrying...')
                 continue
@@ -394,6 +423,7 @@ class OpenAISDK(OpenAI):
                  org: str | List[str] | None = None,
                  meta_template: Dict | None = None,
                  openai_api_base: str = OPENAI_API_BASE,
+                 openai_proxy_url: Optional[str] = None,
                  mode: str = 'none',
                  logprobs: bool | None = False,
                  top_logprobs: int | None = None,
@@ -401,11 +431,23 @@ class OpenAISDK(OpenAI):
                  tokenizer_path: str | None = None,
                  extra_body: Dict | None = None):
         super().__init__(path, max_seq_len, query_per_second, rpm_verbose,
-                         retry, key, org, meta_template, openai_api_base, mode,
+                         retry, key, org, meta_template, openai_api_base,
-                         logprobs, top_logprobs, temperature, tokenizer_path,
+                         openai_proxy_url, mode, logprobs, top_logprobs,
-                         extra_body)
+                         temperature, tokenizer_path, extra_body)
         from openai import OpenAI
-        self.opeanai_cleint = OpenAI(base_url=openai_api_base, api_key=key)
+
+        if self.proxy_url is None:
+            self.openai_client = OpenAI(base_url=openai_api_base, api_key=key)
+        else:
+            proxies = {
+                'http://': self.proxy_url,
+                'https://': self.proxy_url,
+            }
+
+            self.openai_client = OpenAI(
+                base_url=openai_api_base,
+                api_key=key,
+                http_client=httpx.Client(proxies=proxies))
 
     def _generate(self, input: PromptList | str, max_out_len: int,
                   temperature: float) -> str:
@@ -456,12 +498,14 @@ class OpenAISDK(OpenAI):
         while num_retries < self.retry:
             self.wait()
             try:
-                responses = self.opeanai_cleint.chat.completions.create(
+                responses = self.openai_client.chat.completions.create(
                     model=self.path,
                     max_tokens=max_out_len,
                     n=1,
                     temperature=self.temperature,
-                    messages=messages)
+                    messages=messages,
+                    extra_body=self.extra_body,
+                )
                 return responses.choices[0].message.content
             except Exception as e:
                 self.logger.error(e)