From e0f5e837299aab9a6b398aa498dee5baeb177d61 Mon Sep 17 00:00:00 2001
From: kqlio67 <166700875+kqlio67@users.noreply.github.com>
Date: Sat, 28 Dec 2024 19:11:48 +0000
Subject: Update docs/. etc/. g4f/. README.md (#2515)

Co-authored-by: kqlio67 <>
---
 g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py | 59 ++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py

(limited to 'g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py')

diff --git a/g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py b/g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py
new file mode 100644
index 00000000..7987cc1b
--- /dev/null
+++ b/g4f/Provider/hf_space/BlackForestLabsFlux1Dev.py
@@ -0,0 +1,59 @@
+from __future__ import annotations
+
+import json
+from aiohttp import ClientSession
+
+from ...typing import AsyncResult, Messages
+from ...image import ImageResponse, ImagePreview
+from ..base_provider import AsyncGeneratorProvider, ProviderModelMixin
+
+class BlackForestLabsFlux1Dev(AsyncGeneratorProvider, ProviderModelMixin):
+    url = "https://black-forest-labs-flux-1-dev.hf.space"
+    api_endpoint = "/gradio_api/call/infer"
+
+    working = True
+    
+    default_model = 'flux-dev'
+    models = [default_model]
+    image_models = [default_model]
+
+    @classmethod
+    async def create_async_generator(
+        cls, model: str, messages: Messages, prompt: str = None, api_key: str = None, proxy: str = None, **kwargs
+    ) -> AsyncResult:
+        headers = {
+            "Content-Type": "application/json",
+            "Accept": "application/json",
+        }
+        if api_key is not None:
+            headers["Authorization"] = f"Bearer {api_key}"
+        async with ClientSession(headers=headers) as session:
+            prompt = messages[-1]["content"] if prompt is None else prompt
+            data = {
+                "data": [prompt, 0, True, 1024, 1024, 3.5, 28]
+            }
+            async with session.post(f"{cls.url}{cls.api_endpoint}", json=data, proxy=proxy) as response:
+                response.raise_for_status()
+                event_id = (await response.json()).get("event_id")
+                async with session.get(f"{cls.url}{cls.api_endpoint}/{event_id}") as event_response:
+                    event_response.raise_for_status()
+                    event = None
+                    async for chunk in event_response.content:
+                        if chunk.startswith(b"event: "):
+                            event = chunk[7:].decode(errors="replace").strip()
+                        if chunk.startswith(b"data: "):
+                            if event == "error":
+                                raise RuntimeError(f"GPU token limit exceeded: {chunk.decode(errors='replace')}")
+                            if event in ("complete", "generating"):
+                                try:
+                                    data = json.loads(chunk[6:])
+                                    if data is None:
+                                        continue
+                                    url = data[0]["url"]
+                                except (json.JSONDecodeError, KeyError, TypeError) as e:
+                                    raise RuntimeError(f"Failed to parse image URL: {chunk.decode(errors='replace')}", e)
+                                if event == "generating":
+                                    yield ImagePreview(url, prompt)
+                                else:
+                                    yield ImageResponse(url, prompt)
+                                    break
-- 
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