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from __future__ import annotations
import os
import shutil
from asyncio import sleep
from logging import getLogger
from os import getcwd, path, remove
from typing import TYPE_CHECKING, List, TypedDict
if TYPE_CHECKING:
from .main import PluginManager
from .localplatform.localplatform import chmod, service_restart, ON_LINUX, get_keep_systemd_service, get_selinux
from aiohttp import ClientSession
from . import helpers
from .injector import get_gamepadui_tab
from .settings import SettingsManager
logger = getLogger("Updater")
class RemoteVerAsset(TypedDict):
name: str
browser_download_url: str
class RemoteVer(TypedDict):
tag_name: str
prerelease: bool
assets: List[RemoteVerAsset]
class Updater:
def __init__(self, context: PluginManager) -> None:
self.context = context
self.settings = self.context.settings
self.remoteVer: RemoteVer | None = None
self.allRemoteVers: List[RemoteVer] = []
self.localVer = helpers.get_loader_version()
try:
self.currentBranch = self.get_branch(self.context.settings)
except:
self.currentBranch = 0
logger.error("Current branch could not be determined, defaulting to \"Stable\"")
if context:
context.ws.add_route("updater/get_version_info", self.get_version_info);
context.ws.add_route("updater/check_for_updates", self.check_for_updates);
context.ws.add_route("updater/do_restart", self.do_restart);
context.ws.add_route("updater/do_update", self.do_update);
context.loop.create_task(self.version_reloader())
def get_branch(self, manager: SettingsManager):
ver = manager.getSetting("branch", -1)
logger.debug("current branch: %i" % ver)
if ver == -1:
logger.info("Current branch is not set, determining branch from version...")
if self.localVer.startswith("v") and "-pre" in self.localVer:
logger.info("Current version determined to be pre-release")
manager.setSetting('branch', 1)
return 1
else:
logger.info("Current version determined to be stable")
manager.setSetting('branch', 0)
return 0
return ver
async def _get_branch(self, manager: SettingsManager):
return self.get_branch(manager)
# retrieve relevant service file's url for each branch
def get_service_url(self):
logger.debug("Getting service URL")
branch = self.get_branch(self.context.settings)
match branch:
case 0:
url = "https://raw.githubusercontent.com/SteamDeckHomebrew/decky-loader/main/dist/plugin_loader-release.service"
case 1 | 2:
url = "https://raw.githubusercontent.com/SteamDeckHomebrew/decky-loader/main/dist/plugin_loader-prerelease.service"
case _:
logger.error("You have an invalid branch set... Defaulting to prerelease service, please send the logs to the devs!")
url = "https://raw.githubusercontent.com/SteamDeckHomebrew/decky-loader/main/dist/plugin_loader-prerelease.service"
return str(url)
async def get_version_info(self):
return {
"current": self.localVer,
"remote": self.remoteVer,
"all": self.allRemoteVers,
"updatable": self.localVer != "unknown"
}
async def check_for_updates(self):
logger.debug("checking for updates")
selectedBranch = self.get_branch(self.context.settings)
async with ClientSession() as web:
async with web.request("GET", "https://api.github.com/repos/SteamDeckHomebrew/decky-loader/releases", ssl=helpers.get_ssl_context()) as res:
remoteVersions: List[RemoteVer] = await res.json()
if selectedBranch == 0:
logger.debug("release type: release")
remoteVersions = list(filter(lambda ver: ver["tag_name"].startswith("v") and not ver["prerelease"] and not ver["tag_name"].find("-pre") > 0 and ver["tag_name"], remoteVersions))
elif selectedBranch == 1:
logger.debug("release type: pre-release")
remoteVersions = list(filter(lambda ver:ver["tag_name"].startswith("v"), remoteVersions))
else:
logger.error("release type: NOT FOUND")
raise ValueError("no valid branch found")
self.allRemoteVers = remoteVersions
logger.debug("determining release type to find, branch is %i" % selectedBranch)
if selectedBranch == 0:
logger.debug("release type: release")
self.remoteVer = next(filter(lambda ver: ver["tag_name"].startswith("v") and not ver["prerelease"] and not ver["tag_name"].find("-pre") > 0 and ver["tag_name"], remoteVersions), None)
elif selectedBranch == 1:
logger.debug("release type: pre-release")
self.remoteVer = next(filter(lambda ver:ver["tag_name"].startswith("v"), remoteVersions), None)
else:
logger.error("release type: NOT FOUND")
raise ValueError("no valid branch found")
logger.info("Updated remote version information")
tab = await get_gamepadui_tab()
await tab.evaluate_js(f"window.DeckyPluginLoader.notifyUpdates()", False, True, False)
return await self.get_version_info()
async def version_reloader(self):
await sleep(30)
while True:
try:
await self.check_for_updates()
except:
pass
await sleep(60 * 60 * 6) # 6 hours
async def do_update(self):
logger.debug("Starting update.")
try:
assert self.remoteVer
except AssertionError:
logger.error("Unable to update as remoteVer is missing")
return
download_url = None
download_filename = "PluginLoader" if ON_LINUX else "PluginLoader.exe"
download_temp_filename = download_filename + ".new"
for x in self.remoteVer["assets"]:
if x["name"] == download_filename:
download_url = x["browser_download_url"]
break
if download_url == None:
raise Exception("Download url not found")
service_url = self.get_service_url()
logger.debug("Retrieved service URL")
tab = await get_gamepadui_tab()
await tab.open_websocket()
async with ClientSession() as web:
if ON_LINUX and not get_keep_systemd_service():
logger.debug("Downloading systemd service")
# download the relevant systemd service depending upon branch
async with web.request("GET", service_url, ssl=helpers.get_ssl_context(), allow_redirects=True) as res:
logger.debug("Downloading service file")
data = await res.content.read()
logger.debug(str(data))
service_file_path = path.join(getcwd(), "plugin_loader.service")
try:
with open(path.join(getcwd(), "plugin_loader.service"), "wb") as out:
out.write(data)
except Exception as e:
logger.error(f"Error at %s", exc_info=e)
with open(path.join(getcwd(), "plugin_loader.service"), "r", encoding="utf-8") as service_file:
service_data = service_file.read()
service_data = service_data.replace("${HOMEBREW_FOLDER}", helpers.get_homebrew_path())
with open(path.join(getcwd(), "plugin_loader.service"), "w", encoding="utf-8") as service_file:
service_file.write(service_data)
logger.debug("Saved service file")
logger.debug("Copying service file over current file.")
shutil.copy(service_file_path, "/etc/systemd/system/plugin_loader.service")
if not os.path.exists(path.join(getcwd(), ".systemd")):
os.mkdir(path.join(getcwd(), ".systemd"))
shutil.move(service_file_path, path.join(getcwd(), ".systemd")+"/plugin_loader.service")
logger.debug("Downloading binary")
async with web.request("GET", download_url, ssl=helpers.get_ssl_context(), allow_redirects=True) as res:
total = int(res.headers.get('content-length', 0))
with open(path.join(getcwd(), download_temp_filename), "wb") as out:
progress = 0
raw = 0
async for c in res.content.iter_chunked(512):
out.write(c)
raw += len(c)
new_progress = round((raw / total) * 100)
if progress != new_progress:
self.context.loop.create_task(tab.evaluate_js(f"window.DeckyUpdater.updateProgress({new_progress})", False, False, False))
progress = new_progress
if ON_LINUX:
remove(path.join(getcwd(), download_filename))
shutil.move(path.join(getcwd(), download_temp_filename), path.join(getcwd(), download_filename))
chmod(path.join(getcwd(), download_filename), 777, False)
if get_selinux():
from asyncio.subprocess import create_subprocess_exec
process = await create_subprocess_exec("chcon", "-t", "bin_t", path.join(getcwd(), download_filename))
logger.info(f"Setting the executable flag with chcon returned {await process.wait()}")
logger.info("Updated loader installation.")
await tab.evaluate_js("window.DeckyUpdater.finish()", False, False)
await self.do_restart()
await tab.close_websocket()
async def do_restart(self):
await service_restart("plugin_loader")
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