app.py

import streamlit as st
import subprocess
import os

st.set_page_config(page_title="ML Visualizations Launcher", layout="wide")
st.title("Machine Learning Visualizations Dashboard")

# List of available apps with display names and ports
APPS = {
    "Decision Tree -> decision_tree_steps": {
        "file": "decision_tree_steps.py",
        "port": 8502
    },
    "Voting Regressor -> voting_regressor_viz": {
        "file": "voting_regressor_viz.py", 
        "port": 8503
    },
    "Voting Classifier -> voting_classifier_viz": {
        "file": "voting_classifier_viz.py",
        "port": 8504
    },
    "Bagging Regressor -> bagging_regressor_viz": {
        "file": "bagging_regressor_viz.py",
        "port": 8505
    },
    "Bagging Classifier -> bagging_classifier_viz": {
        "file": "bagging_classifier_viz.py",
        "port": 8506
    },
    "GD/SGD Visualizer -> gd_sgd_app": {
        "file": "gd_sgd_app.py",
        "port": 8507
    }
}

def launch_app(file_path, port):
    """Launch a Streamlit app in a subprocess"""
    cmd = f"streamlit run {file_path} --server.port {port}"
    subprocess.Popen(cmd, shell=True)

# Create columns for app launcher buttons
col1, col2, col3 = st.columns(3)

with col1:
    for app_name in list(APPS.keys())[::3]:
        app = APPS[app_name]
        if os.path.exists(app["file"]):
            if st.button(f"🚀 {app_name}"):
                launch_app(app["file"], app["port"])
                st.toast(f"Opening {app_name} on port {app['port']}", icon="✅")
        else:
            st.error(f"Missing file: {app['file']}")

with col2:
    for app_name in list(APPS.keys())[1::3]:
        app = APPS[app_name]
        if os.path.exists(app["file"]):
            if st.button(f"🚀 {app_name}"):
                launch_app(app["file"], app["port"])
                st.toast(f"Opening {app_name} on port {app['port']}", icon="✅")
        else:
            st.error(f"Missing file: {app['file']}")

with col3:
    for app_name in list(APPS.keys())[2::3]:
        app = APPS[app_name]
        if os.path.exists(app["file"]):
            if st.button(f"🚀 {app_name}"):
                launch_app(app["file"], app["port"])
                st.toast(f"Opening {app_name} on port {app['port']}", icon="✅")
        else:
            st.error(f"Missing file: {app['file']}")

st.markdown("---")
st.info("ℹ️ For each app click the mapped sidebar because as of now the ports aren't working so simply click the sidebar option to play around")