1 files changed, 74 insertions, 0 deletions

diff --git a/g4f/Provider/needs_auth/Openai.py b/g4f/Provider/needs_auth/Openai.py
new file mode 100644
index 00000000..b876cd0b
--- /dev/null
+++ b/g4f/Provider/needs_auth/Openai.py
@@ -0,0 +1,74 @@
+from __future__ import annotations
+
+import json
+
+from ..base_provider import AsyncGeneratorProvider, ProviderModelMixin, FinishReason
+from ...typing import AsyncResult, Messages
+from ...requests.raise_for_status import raise_for_status
+from ...requests import StreamSession
+from ...errors import MissingAuthError
+
+class Openai(AsyncGeneratorProvider, ProviderModelMixin):
+    url = "https://openai.com"
+    working = True
+    needs_auth = True
+    supports_message_history = True
+    supports_system_message = True
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        timeout: int = 120,
+        api_key: str = None,
+        api_base: str = "https://api.openai.com/v1",
+        temperature: float = None,
+        max_tokens: int = None,
+        top_p: float = None,
+        stop: str = None,
+        stream: bool = False,
+        **kwargs
+    ) -> AsyncResult:
+        if api_key is None:
+            raise MissingAuthError('Add a "api_key"')
+        async with StreamSession(
+            proxies={"all": proxy},
+            headers=cls.get_headers(api_key),
+            timeout=timeout
+        ) as session:
+            data = {
+                "messages": messages,
+                "model": cls.get_model(model),
+                "temperature": temperature,
+                "max_tokens": max_tokens,
+                "top_p": top_p,
+                "stop": stop,
+                "stream": stream,
+            }
+            async with session.post(f"{api_base.rstrip('/')}/chat/completions", json=data) as response:
+                await raise_for_status(response)
+                async for line in response.iter_lines():
+                    if line.startswith(b"data: ") or not stream:
+                        async for chunk in cls.read_line(line[6:] if stream else line, stream):
+                            yield chunk
+
+    @staticmethod
+    async def read_line(line: str, stream: bool):
+        if line == b"[DONE]":
+            return
+        choice = json.loads(line)["choices"][0]
+        if stream and "content" in choice["delta"] and choice["delta"]["content"]:
+            yield choice["delta"]["content"]
+        elif not stream and "content" in choice["message"]:
+            yield choice["message"]["content"]
+        if "finish_reason" in choice and choice["finish_reason"] is not None:
+            yield FinishReason(choice["finish_reason"])
+
+    @staticmethod
+    def get_headers(api_key: str) -> dict:
+        return {
+            "Authorization": f"Bearer {api_key}",
+            "Content-Type": "application/json",
+        }
\ No newline at end of file