app.py

import gradio as gr
import numpy as np
from PIL import Image
import requests

import hopsworks
import joblib

project = hopsworks.login()
fs = project.get_feature_store()


mr = project.get_model_registry()
model = mr.get_model("titan_modal", version=59)
model_dir = model.download()
model = joblib.load(model_dir + "/titan_model.pkl")


def titan(pclass, sex, age, fare, famliy):
    input_list = []
    if pclass == "First Class":
        input_list.append(1)
    elif pclass == "Second Class":
        input_list.append(2)
    else:
        input_list.append(3)
    
    if sex == "Male":
        input_list.append(0)
    else:
        input_list.append(1)
    input_list.append(age)
    input_list.append(fare)
    input_list.append(famliy)
    # 'res' is a list of predictions returned as the label.
    res = model.predict(np.asarray(input_list).reshape(1, -1)) 
    # We add '[0]' to the result of the transformed 'res', because 'res' is a list, and we only want 
    # the first element.
    survivor_url = "https://raw.githubusercontent.com/Chaouo/Titanic_serverless_ML/main/image/"+ str(res[0]) + ".png"
    img = Image.open(requests.get(survivor_url, stream=True).raw)                        
    return img
        
demo = gr.Interface(
    fn=titan,
    title="Titanic Survival Predictive Analytics",
    description="Experiment with pclass, sex, age, fare, famliy to predict.",
    allow_flagging="never",
    inputs=[
        gr.inputs.Radio(choices=["First Class", "Second Class", "Third Class"], label="Pclass (1-3)"),
        gr.inputs.Radio(choices=["Male","Female"], label="Sex "),
        gr.inputs.Number(default=10, label="Age"),
        gr.inputs.Number(default=1.0, label="Fare (0-512)"),
        gr.inputs.Number(default=1.0, label="Famliy (numbers)"),
        ],
    outputs=gr.Image(type="pil"))

demo.launch()