Working with fastapi

imageserver/main.py

@@ -1,19 +1,49 @@
+from multiprocessing import context
+from httplib2 import Response
 import torch
 import uuid
 import os
 from diffusers import StableDiffusionPipeline
 from dotenv import load_dotenv
 from os import getenv
+from fastapi import FastAPI, Response
+from pydantic import BaseModel
+import io
 
 load_dotenv()
 
-# get your token at https://huggingface.co/settings/tokens
+
 pipe = StableDiffusionPipeline.from_pretrained("CompVis/stable-diffusion-v1-4", revision="fp16", torch_dtype=torch.float16, use_auth_token=getenv("TOKEN"))
 pipe.to("cuda")
 
-prompt = "metal buttons are often soldiers who just got out of high school or a couple of years graduated from college easy as an air conditioned box about radar the patriot radar known as the a n n e e e pi this is an extremely powerful radar unit so powerful that they actually"
+class Text(BaseModel):
+    text: str
 
-for _ in range(10):
+app = FastAPI()
-    image = pipe(prompt)["sample"][0]
 
-    image.save(f"{uuid.uuid4()}.png".replace(" ", "_"))
+
+@app.get("/",
+    responses = {
+        200: {
+            "content": {"image/png": {}}
+        }
+    },
+    response_class=Response
+)
+async def root(text: Text):
+    # get your token at https://huggingface.co/settings/tokens
+    
+    prompt = text.text
+    print(prompt)
+    image = pipe(prompt).images[0]
+
+#    print(image)
+    
+    # image = Image.new('RGB', (1000, 1000), (100,200,10))
+    imgByteArr = io.BytesIO()
+    # image.save expects a file as a argument, passing a bytes io ins
+    image.save(imgByteArr, format="PNG")
+    # Turn the BytesIO object back into a bytes object
+    imgByteArr = imgByteArr.getvalue()
+    # media_type here sets the media type of the actual response sent to the client.
+    return Response(content=imgByteArr, media_type="image/png")