app.py

with open("app.py", "w") as f:
    f.write("""
import os
import sys
import torch
import torch.nn as nn
import torch.nn.functional as F
import gradio as gr
import pickle
import pandas as pd
import warnings
warnings.filterwarnings('ignore')

print("Python version:", sys.version)
print("Torch version:", torch.__version__)
print("Current directory:", os.getcwd())
print("Directory contents:", os.listdir())

class TabTransformer(nn.Module):
    def __init__(self, input_dim, num_classes=2, d_model=64, nhead=4, num_layers=3, dropout=0.1):
        super().__init__()
        self.embedding = nn.Linear(input_dim, d_model)
        encoder_layer = nn.TransformerEncoderLayer(
            d_model=d_model, nhead=nhead, dim_feedforward=d_model * 4, dropout=dropout, activation='gelu'
        )
        self.transformer_encoder = nn.TransformerEncoder(encoder_layer, num_layers=num_layers)
        self.fc = nn.Sequential(
            nn.Linear(d_model, d_model // 2),
            nn.ReLU(),
            nn.Dropout(dropout),
            nn.Linear(d_model // 2, num_classes)
        )

    def forward(self, x):
        x = self.embedding(x)
        x = x.unsqueeze(0)
        x = self.transformer_encoder(x)
        x = x.squeeze(0)
        return self.fc(x)

# Özellik listeleri
categorical_features = ['Multifocal_PVC', 'Nonsustained_VT', 'gender', 'HTN', 'DM', 'Fullcompansasion']
numeric_features = ['pvc_percent', 'PVCQRS', 'EF', 'Age', 'PVC_Prematurity_index', 'QRS_ratio',
                   'mean_HR', 'symptom_duration', 'QTc_sinus', 'PVCCI_dispersion',
                   'CI_variability', 'PVC_Peak_QRS_duration', 'PVCCI', 'PVC_Compansatory_interval']

# Varsayılan değerler
numeric_defaults = {
    'pvc_percent': 11.96, 'PVCQRS': 155.1, 'EF': 59.93, 'Age': 52.19,
    'PVC_Prematurity_index': 0.6158, 'QRS_ratio': 1.933, 'mean_HR': 71.28,
    'symptom_duration': 14.91, 'QTc_sinus': 425.0, 'PVCCI_dispersion': 57.1,
    'CI_variability': 22.98, 'PVC_Peak_QRS_duration': 76.13, 'PVCCI': 513.4,
    'PVC_Compansatory_interval': 1044
}

try:
    print("Loading model...")
    # Model tanımı
    input_dim = len(categorical_features) + len(numeric_features)
    model = TabTransformer(input_dim=input_dim)
    model.load_state_dict(torch.load("tabtransformer_model.pth", map_location=torch.device('cpu')))
    model.eval()
    print("Model loaded successfully")

    print("Loading scaler...")
    # Scaler yükleme
    with open("trans_scaler.pkl", "rb") as f:
        scaler = pickle.load(f)
    print("Scaler loaded successfully")

except Exception as e:
    print(f"Error during initialization: {str(e)}")
    sys.exit(1)

def predict(*inputs):
    try:
        # Split inputs
        cat_inputs = inputs[:len(categorical_features)]
        num_inputs = inputs[len(categorical_features):]
        
        # Convert inputs
        cat_data = [1 if val == "Yes" else 0 for val in cat_inputs]
        num_data = [float(val) for val in num_inputs]
        
        # Create DataFrame
        data = pd.DataFrame([cat_data + num_data], columns=categorical_features + numeric_features)
        
        # Scale data
        scaled_data = scaler.transform(data)
        
        # Predict
        with torch.no_grad():
            tensor_data = torch.FloatTensor(scaled_data)
            outputs = model(tensor_data)
            probs = F.softmax(outputs, dim=1)
            
        response_prob = float(probs[0][0])
        non_response_prob = float(probs[0][1])
        
        return f"Response: {response_prob:.1%}\nNon-Response: {non_response_prob:.1%}"
        
    except Exception as e:
        print(f"Error in prediction: {str(e)}")
        return f"Error: {str(e)}"

# Create interface
with gr.Blocks() as demo:
    gr.Markdown("# PVC Response Predictor")
    gr.Markdown("Enter patient features to predict response probability")
    
    with gr.Row():
        with gr.Column():
            inputs = []
            # Categorical inputs
            for feat in categorical_features:
                inputs.append(gr.Dropdown(
                    choices=["Yes", "No"],
                    value="No",
                    label=feat
                ))
            
            # Numeric inputs
            for feat in numeric_features:
                inputs.append(gr.Number(
                    value=numeric_defaults[feat],
                    label=feat
                ))
        
        with gr.Column():
            output = gr.Textbox(label="Prediction Results")
    
    submit_btn = gr.Button("Predict")
    submit_btn.click(
        fn=predict,
        inputs=inputs,
        outputs=output
    )

if __name__ == "__main__":
    print("Starting server...")
    demo.launch(
        server_name="0.0.0.0",
        show_error=True,
        share=False,
        debug=True
    )""")