MCP Nano Banana

import json import os import base64 import google.generativeai as genai from dotenv import load_dotenv import requests load_dotenv() genai.configure(api_key=os.getenv('GEMINI_API_KEY')) model = genai.GenerativeModel('gemini-2.5-flash-image-preview') prompt = "Create nano-sized banana in a lab setting." response = model.generate_content([prompt]) response = response.to_dict() bytes_data = response["candidates"][0]["content"]["parts"][-1]["inline_data"]["data"] generated_img = base64.b64decode(bytes_data) with open('edited_nano_banana.png', 'wb') as out: out.write(generated_img) # Upload image to Imgbb.host # --- STEP 1: Ensure 'edited_nano_banana.png' exists and is a valid, non-empty image --- try: with open('edited_nano_banana.png', 'rb') as image_file: # Read the binary data and encode it to a Base64 string generated_img_b64 = base64.b64encode(image_file.read()).decode('utf-8') if not generated_img_b64: raise ValueError("The image file 'edited_nano_banana.png' is empty.") except FileNotFoundError: raise FileNotFoundError("The image file 'edited_nano_banana.png' was not found. Please ensure it exists.") # --- STEP 2: Build and send the correct POST request to ImgBB --- IMGBB_API_KEY = os.getenv("IMGBB_API_KEY") if not IMGBB_API_KEY: raise ValueError("IMGBB_API_KEY environment variable not set or .env file is missing.") upload_url = "https://api.imgbb.com/1/upload" # All parameters go into the 'data' payload for the POST request payload = { "key": IMGBB_API_KEY, "image": generated_img_b64, # The Base64 string is the 'image' field "name": "nano_banana.png" # Optional: specify a name for the file } try: print("Uploading image to ImgBB...") # Use the data= parameter, NOT files= resp = requests.post(upload_url, data=payload, timeout=60) # Increased timeout for larger files resp.raise_for_status() # Raise an error for bad status codes (4xx or 5xx) resp_json = resp.json() # ImgBB's success indicator is the 'data' key in the response if "data" not in resp_json: raise Exception(f"Imgbb upload failed. Response: {resp_json}") uploaded_url = resp_json["data"]["url"] print(f"Success! Image uploaded to {uploaded_url}") except requests.exceptions.HTTPError as err: print(f"HTTP error occurred: {err}") print(f"Response body: {err.response.text}") raise