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app.py

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+from PIL import Image
+from transformers import ViTFeatureExtractor, ViTForImageClassification
+import warnings
+import requests
+import gradio as gr
+import os
+from dotenv import load_dotenv
+load_dotenv()
+
+warnings.filterwarnings('ignore')
+
+# Load the pre-trained Vision Transformer model and feature extractor
+model_name = "google/vit-base-patch16-224"
+feature_extractor = ViTFeatureExtractor.from_pretrained(model_name)
+model = ViTForImageClassification.from_pretrained(model_name)
+
+# API key for the nutrition information
+api_key = os.getenv('NUTRITION_API')
+
+def identify_image(image_path):
+    """Identify the food item in the image."""
+    image = Image.open(image_path)
+    inputs = feature_extractor(images=image, return_tensors="pt")
+    outputs = model(**inputs)
+    logits = outputs.logits
+    predicted_class_idx = logits.argmax(-1).item()
+    predicted_label = model.config.id2label[predicted_class_idx]
+    food_name = predicted_label.split(',')[0]
+    return food_name
+
+def get_calories(food_name):
+    """Get the calorie information of the identified food item."""
+    api_url = 'https://api.api-ninjas.com/v1/nutrition?query={}'.format(food_name)
+    response = requests.get(api_url, headers={'X-Api-Key': api_key})
+    if response.status_code == requests.codes.ok:
+        nutrition_info = response.json()
+    else:
+        nutrition_info = {"Error": response.status_code, "Message": response.text}
+    return nutrition_info
+
+def format_nutrition_info(nutrition_info):
+    """Format the nutritional information into an HTML table."""
+    if "Error" in nutrition_info:
+        return f"Error: {nutrition_info['Error']} - {nutrition_info['Message']}"
+    
+    if len(nutrition_info) == 0:
+        return "No nutritional information found."
+
+    nutrition_data = nutrition_info[0]
+    table = f"""
+    <table border="1" style="width: 100%; border-collapse: collapse;">
+        <tr><th colspan="4" style="text-align: center;"><b>Nutrition Facts</b></th></tr>
+        <tr><td colspan="4" style="text-align: center;"><b>Food Name: {nutrition_data['name']}</b></td></tr>
+        <tr>
+            <td style="text-align: left;"><b>Calories</b></td><td style="text-align: right;">{nutrition_data['calories']}</td>
+            <td style="text-align: left;"><b>Serving Size (g)</b></td><td style="text-align: right;">{nutrition_data['serving_size_g']}</td>
+        </tr>
+        <tr>
+            <td style="text-align: left;"><b>Total Fat (g)</b></td><td style="text-align: right;">{nutrition_data['fat_total_g']}</td>
+            <td style="text-align: left;"><b>Saturated Fat (g)</b></td><td style="text-align: right;">{nutrition_data['fat_saturated_g']}</td>
+        </tr>
+        <tr>
+            <td style="text-align: left;"><b>Protein (g)</b></td><td style="text-align: right;">{nutrition_data['protein_g']}</td>
+            <td style="text-align: left;"><b>Sodium (mg)</b></td><td style="text-align: right;">{nutrition_data['sodium_mg']}</td>
+        </tr>
+        <tr>
+            <td style="text-align: left;"><b>Potassium (mg)</b></td><td style="text-align: right;">{nutrition_data['potassium_mg']}</td>
+            <td style="text-align: left;"><b>Cholesterol (mg)</b></td><td style="text-align: right;">{nutrition_data['cholesterol_mg']}</td>
+        </tr>
+        <tr>
+            <td style="text-align: left;"><b>Total Carbohydrates (g)</b></td><td style="text-align: right;">{nutrition_data['carbohydrates_total_g']}</td>
+            <td style="text-align: left;"><b>Fiber (g)</b></td><td style="text-align: right;">{nutrition_data['fiber_g']}</td>
+        </tr>
+        <tr>
+            <td style="text-align: left;"><b>Sugar (g)</b></td><td style="text-align: right;">{nutrition_data['sugar_g']}</td>
+            <td></td><td></td>
+        </tr>
+    </table>
+    """
+    return table
+
+def main_process(image_path):
+    """Identify the food item and fetch its calorie information."""
+    food_name = identify_image(image_path)
+    nutrition_info = get_calories(food_name)
+    formatted_nutrition_info = format_nutrition_info(nutrition_info)
+    return formatted_nutrition_info
+
+# Define the Gradio interface
+def gradio_interface(image):
+    formatted_nutrition_info = main_process(image)
+    return formatted_nutrition_info
+
+# Create the Gradio UI
+iface = gr.Interface(
+    fn=gradio_interface,
+    inputs=gr.Image(type="filepath"),
+    outputs="html",
+    title="Food Identification and Nutrition Info",
+    description="Upload an image of food to get nutritional information.",
+    allow_flagging="never"  # Disable flagging
+)
+
+# Launch the Gradio app
+if __name__ == "__main__":
+    iface.launch()

requirements.txt

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+gradio
+transformers
+torch
+torchvision
+requests
+python-dotenv