При загрузке аватарки ещё возвращается средний hex изображения

app/main.py

@@ -2,11 +2,20 @@ import random
 import shutil
 import string
 import os
+from io import BytesIO
 
-from fastapi import FastAPI, UploadFile, Query
+import numpy as np
+from PIL import Image
+from fastapi import FastAPI, UploadFile
 from fastapi.staticfiles import StaticFiles
 from fastapi.middleware.cors import CORSMiddleware
-from pydantic import BaseModel
+
+
+def find_average_hex_color(image: Image.Image):
+    np_image = np.array(image)
+    average_color = np.mean(np_image, axis=(0, 1))
+    average_color_hex = '#{:02x}{:02x}{:02x}'.format(int(average_color[0]), int(average_color[1]), int(average_color[2]))
+    return average_color_hex
 
 
 def generate_random_string(length=16):
@@ -41,11 +50,16 @@ app.mount("/static", StaticFiles(directory="app/static"), name="static")
 
 @app.post('/upload_avatar', response_model=dict[str, str])
 async def upload_avatar(file: UploadFile):
+    content = await file.read()
+    image = Image.open(BytesIO(content))
+    new_size = (512, 512)
+    resized_image = image.resize(new_size)
+    average_color_hex = find_average_hex_color(resized_image)
     name = generate_random_string()
     image_url = f'static/images/avatars/{name}_avatar.png'
     with open('app/' + image_url, 'wb+') as file_object:
-        shutil.copyfileobj(file.file, file_object)
-    return {'image_url': image_url}
+        resized_image.save(file_object, format="PNG")
+    return {'image_url': image_url, 'hex_color': average_color_hex}
 
 
 @app.post('/upload_image', response_model=dict[str, str])

requirements.txt

@@ -47,6 +47,7 @@ mccabe==0.7.0
 multidict==6.0.4
 mypy-extensions==1.0.0
 nodeenv==1.8.0
+numpy==1.26.4
 orjson==3.9.12
 packaging==23.2
 passlib==1.7.4
@@ -98,5 +99,3 @@ WTForms==3.1.2
 yarl==1.9.4
 zope.event==5.0
 zope.interface==6.1
-pywin32==305; platform_system=="Windows"
-bcrypt==4.1.2; platform_system=="Windows"