app.py

import re
import subprocess
from pathlib import Path

PIXI_PATH = Path("/home/user/.pixi/bin/pixi")
PIXI_VERSION = "0.44.0"


def check_and_install_pixi() -> None:
    try:
        # Check if pixi is installed and get its version
        result = subprocess.run(f"{PIXI_PATH} --version", shell=True, capture_output=True, text=True)
        if result.returncode == 0:
            installed_version = result.stdout.strip()
            # Extract version number using regex
            version_match = re.search(r"(\d+\.\d+\.\d+)", installed_version)

            if version_match and version_match.group(1) == PIXI_VERSION:
                print(f"Correct pixi version {PIXI_VERSION} is already installed.")
            else:
                extracted_version = version_match.group(1) if version_match else "unknown"
                print(f"Incorrect pixi version: {extracted_version}. Required: {PIXI_VERSION}")
                print(f"Updating pixi to version {PIXI_VERSION}...")
                subprocess.check_call(f"{PIXI_PATH} self-update --version {PIXI_VERSION}", shell=True)
                subprocess.check_call(f"{PIXI_PATH} --version", shell=True)
        else:
            raise subprocess.CalledProcessError(returncode=result.returncode, cmd=result.args)
    except subprocess.CalledProcessError:
        print("pixi not found. Installing pixi...")
        # Install pixi using the provided installation script
        subprocess.check_call(
            f"PIXI_VERSION=v{PIXI_VERSION} curl -fsSL https://pixi.sh/install.sh | bash",
            shell=True,
        )
        subprocess.check_call(f"{PIXI_PATH} self-update --version {PIXI_VERSION}", shell=True)
        subprocess.check_call(f"{PIXI_PATH} --version", shell=True)


def run_command(command: str) -> None:
    try:
        subprocess.check_call(command, shell=True)
    except subprocess.CalledProcessError as e:
        print(f"run command {command}. Error: {e}")


if __name__ == "__main__":
    check_and_install_pixi()
    # install lsof
    run_command(command=f"{PIXI_PATH} global install lsof")
    # kill anything running on port 7860
    run_command(command=f"{PIXI_PATH.parent}/lsof -t -i:7860 | xargs -r kill")
    # run spaces app
    run_command(command=f"{PIXI_PATH} run -e spaces app")