MIF_E31230820/python_ai/app.py

163 lines
3.7 KiB
Python

from flask import Flask, request, jsonify
import os
from datetime import datetime
import numpy as np
from PIL import Image
from tensorflow.keras.models import load_model
app = Flask(__name__)
UPLOAD_FOLDER = os.path.join(os.path.dirname(__file__), 'uploads')
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
MODEL_PATH = os.path.join(os.path.dirname(__file__), 'model_padi.h5')
CLASS_NAMES = [
'Healthy',
'Blast',
'Blight',
'Tungro'
]
# Load model
model = None
try:
model = load_model(MODEL_PATH)
print("Model berhasil dimuat")
print("Input Shape :", model.input_shape)
print("Output Shape:", model.output_shape)
print("Model Type :", type(model))
except Exception as e:
print("Gagal load model:", e)
# Preprocessing gambar
def preprocess_image(path):
image = Image.open(path).convert('RGB')
image = image.resize((224, 224))
image_array = np.array(image).astype('float32') / 255.0
image_array = np.expand_dims(image_array, axis=0)
return image_array
@app.route('/prediksi', methods=['POST'])
def prediksi():
if 'gambar' not in request.files:
return jsonify({
'error': 'Tidak ada gambar'
}), 400
file = request.files['gambar']
if file.filename == '':
return jsonify({
'error': 'File kosong'
}), 400
# Simpan gambar
filename = datetime.now().strftime('%Y%m%d%H%M%S_') + file.filename
filepath = os.path.join(UPLOAD_FOLDER, filename)
file.save(filepath)
print("Gambar diterima:", filename)
if model is None:
return jsonify({
'error': 'Model gagal dimuat'
}), 500
try:
# Preprocessing
image_array = preprocess_image(filepath)
# Prediksi
predictions = model.predict(image_array)
print("\n===== HASIL PREDIKSI =====")
for i, nama in enumerate(CLASS_NAMES):
print(f"{nama}: {predictions[0][i] * 100:.2f}%")
predicted_index = int(np.argmax(predictions[0]))
label = CLASS_NAMES[predicted_index]
confidence_display = round(
float(predictions[0][predicted_index]) * 100,
2
)
print(f"HASIL AKHIR: {label}")
print(f"CONFIDENCE: {confidence_display}%")
# Semua probabilitas
all_predictions = {}
for i, nama in enumerate(CLASS_NAMES):
all_predictions[nama] = round(
float(predictions[0][i]) * 100,
2
)
# Deskripsi penyakit
deskripsi = {
'Blast': {
'deskripsi': 'Penyakit jamur yang menyebabkan bercak pada daun.',
'solusi': 'Gunakan fungisida dan varietas tahan penyakit.'
},
'Blight': {
'deskripsi': 'Hawar daun akibat bakteri.',
'solusi': 'Gunakan benih sehat dan kurangi kelembapan.'
},
'Healthy': {
'deskripsi': 'Daun padi sehat tanpa gejala penyakit.',
'solusi': 'Pertahankan perawatan tanaman.'
},
'Tungro': {
'deskripsi': 'Penyakit virus yang ditularkan wereng.',
'solusi': 'Kendalikan wereng dan gunakan varietas tahan.'
}
}
return jsonify({
'penyakit': label,
'confidence': confidence_display,
'all_predictions': all_predictions,
'deskripsi': deskripsi[label]['deskripsi'],
'solusi': deskripsi[label]['solusi']
})
except Exception as e:
print("ERROR:", e)
return jsonify({
'error': str(e)
}), 500
if __name__ == '__main__':
app.run(debug=True)