main.py

#!/usr/bin/python3

import os
import subprocess
import requests

from dotenv import load_dotenv
from packaging import version

load_dotenv()

system_type = os.getenv("OS")
build = os.getenv("BUILD")
plex = os.getenv("PLEX_LOCATION")
download_location = os.getenv("DOWNLOAD_LOCATION")

result = requests.get('https://plex.tv/pms/downloads/5.json')
result = result.json()

result = result['computer'][system_type]
current_version = version.parse(result['version'])
try:
    system_version = subprocess.check_output(
        [plex, '--version']).decode("utf-8").strip()
except subprocess.CalledProcessError as e:
    print("""An error occured when getting the system version of Plex.
Check that you have the correct location in your .env and try again.""")
    print(repr(e))
    exit(1)

system_version = version.parse(system_version) if not system_version.startswith(
    "v") else version.parse(system_version[1:])
if current_version > system_version:
    print("Update Found!")
else:
    print("No Update")
    exit(0)

for item in result['releases']:
    if item['build'] == build:
        update_url = item['url']
        break

file_download = requests.get(update_url)
file_location = "{}update.deb".format(download_location)

with open(file_location, 'wb') as f:
    f.write(file_download.content)

os.system("dpkg -i {}".format(file_location))