app.py

### Health Management APP
from dotenv import load_dotenv

load_dotenv()

import streamlit as st
import os
import google.generativeai as genai
from PIL import Image

genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))

def get_gemini_repsonse(input,image,prompt):
    model=genai.GenerativeModel('gemini-pro-vision')
    response=model.generate_content([input,image[0],prompt])
    return response.text

def input_image_setup(uploaded_file):
    if uploaded_file is not None:
        bytes_data = uploaded_file.getvalue()

        image_parts = [
            {
                "mime_type": uploaded_file.type, 
                "data": bytes_data
            }
        ]
        return image_parts
    else:
        raise FileNotFoundError("No file uploaded")
    
st.set_page_config(page_title="AI Nutritionist")
st.header("AI Nutritionist")
input=st.text_input("Input Prompt: ",key="input")
uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
image=""   
if uploaded_file is not None:
    image = Image.open(uploaded_file)
    st.image(image, caption="Uploaded Image.", use_column_width=True)


submit=st.button("Tell me the total calories & Nutirients")

input_prompt="""
You are an expert in nutritionist where you need to see the food items from the image
               and calculate the total calories, also provide the details of every food items with calories intake
               is below format
               1. Item 1 - no of calories
               2. Item 2 - no of calories
               ----
               ----
               Total Calories
Also mention about the important nutirnts like Protien , Carbohydrates and Fats  in each item
        Put the  output in a tabular format with each item in a seperate row and details in columns
"""

if submit:
    image_data=input_image_setup(uploaded_file)
    response=get_gemini_repsonse(input_prompt,image_data,input)
    st.subheader("The Response is")
    st.write(response)