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Update app.py
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app.py
CHANGED
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from fastapi import FastAPI, File, UploadFile, HTTPException
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from fastapi.responses import JSONResponse
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from tensorflow.keras.models import load_model
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from tensorflow.keras.preprocessing import image
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import numpy as np
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import logging
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from PIL import Image
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import io
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logging.basicConfig(level=logging.DEBUG)
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# Initialize FastAPI app
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app = FastAPI()
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def preprocess_image(img, target_size):
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"""Resize and preprocess the image for the model."""
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if img.mode != "RGB":
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img = img.convert("RGB")
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img = img.resize(target_size)
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img_array = image.img_to_array(img)
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img_array = np.expand_dims(img_array, axis=0) # Add batch dimension
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return img_array
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@app.post("/predict")
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async def predict(file: UploadFile = File(...)):
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if not file:
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raise HTTPException(status_code=400, detail="No file provided")
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try:
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# Read the file's content into a BytesIO object
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img_bytes = io.BytesIO(await file.read())
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# Use PIL to open the image
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img = Image.open(img_bytes)
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img_array = preprocess_image(img, (224, 224))
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# Make prediction
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predictions = model.predict(img_array)
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predicted_class = np.argmax(predictions, axis=1)
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# Return the prediction
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predictions = {
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'class': class_names[predicted_class[0]],
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'confidence': float(predictions[0][predicted_class[0]])
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}
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return JSONResponse(content=predictions)
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except Exception as e:
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logging.debug(f"Error processing the file: {str(e)}")
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raise HTTPException(status_code=500, detail=f"Error processing the file: {str(e)}")
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if __name__ == '__main__':
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app.run()
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from fastapi import FastAPI
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app = FastAPI()
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@app.get("/")
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def greet_json():
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return {"Hello": "World!"}
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