run.py

import os
import sys
import platform
import subprocess

def main():
    venv_dir = os.path.join(os.getcwd(), "venv")
    # Determine the Python executable inside the venv based on OS
    if platform.system() == "Windows":
        python_exe = os.path.join(venv_dir, "Scripts", "python.exe")
    else:
        python_exe = os.path.join(venv_dir, "bin", "python")


    # Step 1: Create venv if it doesn't exist
    if not os.path.exists(python_exe):
        print("⚙️ Creating virtual environment...")
        subprocess.check_call([sys.executable, "-m", "venv", venv_dir])

    # Step 2: Upgrade pip and install dependencies
    print("📦 Installing dependencies...")
    subprocess.check_call([python_exe, "-m", "pip", "install", "--upgrade", "pip"])
    subprocess.check_call([python_exe, "-m", "pip", "install", "-r", "requirements.txt"])

    # Step 3: Launch Streamlit interactively
    print("🚀 Launching Streamlit app...")
    if platform.system() == "Windows":
        creation_flags = subprocess.CREATE_NEW_CONSOLE
    else:
        creation_flags = 0  # default for Linux/macOS

    subprocess.Popen(
        [python_exe, "-m", "streamlit", "run", "main.py"],  # modular launcher
        creationflags=creation_flags
    )


if __name__ == "__main__":
    main()