self updating mechanism, closes #8

.gitignore

@@ -104,4 +104,5 @@ venv.bak/
 .mypy_cache/
 
 config.json
-.idea/
+.idea/
+update/

app.py

@@ -1,8 +1,10 @@
+import subprocess
 import time
 from typing import TYPE_CHECKING
 
 from api.discord_presence import DiscordPresence
 from api.kodi import Kodi
+from updater import Updater
 from util.config import Configurations
 from util.system_tray import SysTray
 from util.web_interface import WebInterface
@@ -80,10 +82,17 @@ def run(self):
 
 
 if __name__ == '__main__':
-    config = Configurations()
-    kodiscord = App(config)
-    sys_tray = SysTray(kodiscord, config)
-    sys_tray.start()
-    web = WebInterface(config)
-    web.start()
-    kodiscord.run()
+    updater = Updater()
+    if updater.is_there_an_update():
+        try:
+            subprocess.Popen(['KoDiscord-updater.exe'], creationflags=subprocess.CREATE_NEW_CONSOLE)
+        except FileNotFoundError:
+            pass
+    else:
+        config = Configurations()
+        kodiscord = App(config)
+        sys_tray = SysTray(kodiscord, config)
+        sys_tray.start()
+        web = WebInterface(config)
+        web.start()
+        kodiscord.run()

setup.py

@@ -1,4 +1,5 @@
 import os.path
+from pathlib import Path
 
 from cx_Freeze import setup, Executable
 
@@ -8,21 +9,28 @@
 
 base = 'Win32GUI'
 
-executables = [Executable('app.py', base=base, icon='kodi-icon.ico', targetName="KoDiscord.exe")]
+kodiscord = Executable('app.py', base=base, icon='kodi-icon.ico', targetName="KoDiscord.exe")
+updater = Executable('updater.py', base=None, icon='kodi-icon.ico', targetName='KoDiscord-updater.exe')
 
-packages = ['asyncio', 'idna', 'pypresence', 'requests', 'threading', 'typing', 'pystray', 'PIL']
+executables = [kodiscord, updater]
+
+packages = ['asyncio', 'idna', 'pypresence', 'requests', 'threading', 'typing', 'pystray', 'PIL', 'pkg_resources']
 options = {
     'build_exe': {
         'packages': packages,
-        'include_files': ['kodi-icon.ico', 'LICENSE', 'config.json', 'web'],
+        'include_files': ['kodi-icon.ico', 'LICENSE', 'config.json', 'web', 'version', 'updater.bat'],
         'include_msvcr': True
     },
 }
+version = Path('version').read_text().strip()
 
 setup(
     name="KoDiscord",
     options=options,
-    version="0.5",
+    version=version,
+    author='Richard Hajdu',
+    author_email='tuskone16@gmail.com',
+    url='https://github.com/Tusky/KoDiscord',
     description='Sends your currently watched Movie or TV Show from Kodi to discord.',
     executables=executables
 )

updater.bat

@@ -0,0 +1,3 @@
+XCOPY /S /Y update\KoDiscord\* .
+RMDIR /S /Q update\
+start "" KoDiscord.exe

updater.py

@@ -0,0 +1,57 @@
+import subprocess
+import zipfile
+from pathlib import Path
+
+import requests
+from pkg_resources import parse_version
+
+
+class Updater:
+    download_url = None
+    remote_version = None
+    local_version = None
+    file = None
+
+    def __init__(self):
+        self.get_local_version()
+        self.get_remote_version()
+        self.get_filename()
+
+    def get_local_version(self):
+        self.local_version = parse_version(Path('version').read_text().strip())
+
+    def get_remote_version(self):
+        data = requests.get('https://api.github.com/repos/Tusky/KoDiscord/releases/latest').json()
+        self.download_url = data['assets'][0]['browser_download_url']
+        self.remote_version = parse_version(data['tag_name'])
+
+    def is_there_an_update(self):
+        return self.local_version < self.remote_version
+
+    def get_filename(self):
+        folder = Path('update')
+        if not folder.exists():
+            folder.mkdir()
+        self.file = folder / self.download_url.split('/')[-1]
+
+    def download_package(self):
+        if not self.file.exists():
+            r = requests.get(self.download_url)
+            self.file.write_bytes(r.content)
+
+    def extract_update(self):
+        with zipfile.ZipFile(str(self.file), "r") as file:
+            file.extractall("update")
+        self.file.unlink()
+
+    @staticmethod
+    def update_kodiscord():
+        subprocess.Popen(['updater.bat'], creationflags=subprocess.CREATE_NEW_CONSOLE)
+
+
+if __name__ == '__main__':
+    updater = Updater()
+    if updater.is_there_an_update():
+        updater.download_package()
+        updater.extract_update()
+        updater.update_kodiscord()

version

@@ -0,0 +1 @@
+0.6.0