rename llms/OpenAI/ -> llms/openai/ (#7154)

* rename OpenAI -> openai

* fix file rename

* fix rename changes

* fix organization of openai/transcription

* fix import OA fine tuning API

* fix openai ft handler

* fix handler import

litellm/llms/openai/common_utils.py

@@ -0,0 +1,79 @@
+"""
+Common helpers / utils across al OpenAI endpoints
+"""
+
+import json
+from typing import Any, Dict, List, Optional
+
+import httpx
+import openai
+
+from litellm.llms.base_llm.transformation import BaseLLMException
+
+
+class OpenAIError(BaseLLMException):
+    def __init__(
+        self,
+        status_code: int,
+        message: str,
+        request: Optional[httpx.Request] = None,
+        response: Optional[httpx.Response] = None,
+        headers: Optional[httpx.Headers] = None,
+    ):
+        self.status_code = status_code
+        self.message = message
+        self.headers = headers
+        if request:
+            self.request = request
+        else:
+            self.request = httpx.Request(method="POST", url="https://api.openai.com/v1")
+        if response:
+            self.response = response
+        else:
+            self.response = httpx.Response(
+                status_code=status_code, request=self.request
+            )
+        super().__init__(
+            status_code=status_code,
+            message=self.message,
+            headers=self.headers,
+            request=self.request,
+            response=self.response,
+        )
+
+
+####### Error Handling Utils for OpenAI API #######################
+###################################################################
+def drop_params_from_unprocessable_entity_error(
+    e: openai.UnprocessableEntityError, data: Dict[str, Any]
+) -> Dict[str, Any]:
+    """
+    Helper function to read OpenAI UnprocessableEntityError and drop the params that raised an error from the error message.
+
+    Args:
+    e (UnprocessableEntityError): The UnprocessableEntityError exception
+    data (Dict[str, Any]): The original data dictionary containing all parameters
+
+    Returns:
+    Dict[str, Any]: A new dictionary with invalid parameters removed
+    """
+    invalid_params: List[str] = []
+    if e.body is not None and isinstance(e.body, dict) and e.body.get("message"):
+        message = e.body.get("message", {})
+        if isinstance(message, str):
+            try:
+                message = json.loads(message)
+            except json.JSONDecodeError:
+                message = {"detail": message}
+        detail = message.get("detail")
+        if isinstance(detail, List) and len(detail) > 0 and isinstance(detail[0], dict):
+            for error_dict in detail:
+                if (
+                    error_dict.get("loc")
+                    and isinstance(error_dict.get("loc"), list)
+                    and len(error_dict.get("loc")) == 2
+                ):
+                    invalid_params.append(error_dict["loc"][1])
+
+    new_data = {k: v for k, v in data.items() if k not in invalid_params}
+    return new_data