Create app.py

app.py

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+import streamlit as st
+import os
+import google.generativeai as genai
+from dotenv import load_dotenv
+load_dotenv() #Load all env variables
+from PIL import Image
+
+genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))
+
+# Backend Function to load Gemini Pro Vision and get response
+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):
+    # Check if a file has been uploaded
+    if uploaded_file is not None:
+        # Read the file into bytes
+        bytes_data = uploaded_file.getvalue()
+
+        image_parts = [
+            {
+                "mime_type": uploaded_file.type,  # Get the mime type of the uploaded file
+                "data": bytes_data
+            }
+        ]
+        return image_parts
+    else:
+        raise FileNotFoundError("No file uploaded")
+
+
+##initialize our streamlit app
+
+st.set_page_config(page_title="Cal Advisor App")
+
+st.header("Cal Advisor App")
+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")
+
+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
+               ----
+               ----
+"""
+
+# If submit button is clicked
+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)