mirror of
https://github.com/SteamDeckHomebrew/decky-loader.git
synced 2026-06-14 17:43:31 +03:00
180 lines
7.9 KiB
Python
180 lines
7.9 KiB
Python
from aiohttp import web
|
|
from aiohttp_jinja2 import template
|
|
from watchdog.observers.polling import PollingObserver as Observer
|
|
from watchdog.events import FileSystemEventHandler
|
|
|
|
from os import path, listdir
|
|
from importlib.util import spec_from_file_location, module_from_spec
|
|
from logging import getLogger
|
|
|
|
from injector import get_tabs
|
|
|
|
class FileChangeHandler(FileSystemEventHandler):
|
|
def __init__(self, loader, plugin_path) -> None:
|
|
super().__init__()
|
|
self.logger = getLogger("file-watcher")
|
|
self.loader : Loader = loader
|
|
self.plugin_path = plugin_path
|
|
|
|
def on_created(self, event):
|
|
src_path = event.src_path
|
|
if "__pycache__" in src_path:
|
|
return
|
|
|
|
# check to make sure this isn't a directory
|
|
if path.isdir(src_path):
|
|
return
|
|
|
|
# get the directory name of the plugin so that we can find its "main.py" and reload it; the
|
|
# file that changed is not necessarily the one that needs to be reloaded
|
|
self.logger.debug(f"file created: {src_path}")
|
|
rel_path = path.relpath(src_path, path.commonprefix([self.plugin_path, src_path]))
|
|
plugin_dir = path.split(rel_path)[0]
|
|
main_file_path = path.join(self.plugin_path, plugin_dir, "main.py")
|
|
if not path.isfile(main_file_path):
|
|
return
|
|
self.loader.import_plugin(main_file_path, plugin_dir, refresh=True)
|
|
|
|
def on_modified(self, event):
|
|
src_path = event.src_path
|
|
if "__pycache__" in src_path:
|
|
return
|
|
|
|
# check to make sure this isn't a directory
|
|
if path.isdir(src_path):
|
|
return
|
|
|
|
# get the directory name of the plugin so that we can find its "main.py" and reload it; the
|
|
# file that changed is not necessarily the one that needs to be reloaded
|
|
self.logger.debug(f"file modified: {src_path}")
|
|
plugin_dir = path.split(path.relpath(src_path, path.commonprefix([self.plugin_path, src_path])))[0]
|
|
self.loader.import_plugin(path.join(self.plugin_path, plugin_dir, "main.py"), plugin_dir, refresh=True)
|
|
|
|
class Loader:
|
|
def __init__(self, server_instance, plugin_path, loop, live_reload=False) -> None:
|
|
self.loop = loop
|
|
self.logger = getLogger("Loader")
|
|
self.plugin_path = plugin_path
|
|
self.logger.info(f"plugin_path: {self.plugin_path}")
|
|
self.plugins = {}
|
|
self.import_plugins()
|
|
|
|
if live_reload:
|
|
self.observer = Observer()
|
|
self.observer.schedule(FileChangeHandler(self, plugin_path), self.plugin_path, recursive=True)
|
|
self.observer.start()
|
|
|
|
server_instance.add_routes([
|
|
web.get("/plugins/iframe", self.plugin_iframe_route),
|
|
web.get("/plugins/reload", self.reload_plugins),
|
|
web.post("/plugins/method_call", self.handle_plugin_method_call),
|
|
web.get("/plugins/load_main/{name}", self.load_plugin_main_view),
|
|
web.get("/plugins/load_tile/{name}", self.load_plugin_tile_view),
|
|
web.get("/steam_resource/{path:.+}", self.get_steam_resource)
|
|
])
|
|
|
|
def import_plugin(self, file, plugin_directory, refresh=False):
|
|
try:
|
|
spec = spec_from_file_location("_", file)
|
|
module = module_from_spec(spec)
|
|
spec.loader.exec_module(module)
|
|
|
|
# add member for what directory the given plugin lives under
|
|
module.Plugin._plugin_directory = plugin_directory
|
|
|
|
if not hasattr(module.Plugin, "name"):
|
|
raise KeyError("Plugin {} has not defined a name".format(file))
|
|
if module.Plugin.name in self.plugins:
|
|
if hasattr(module.Plugin, "hot_reload") and not module.Plugin.hot_reload and refresh:
|
|
self.logger.info("Plugin {} is already loaded and has requested to not be re-loaded"
|
|
.format(module.Plugin.name))
|
|
return
|
|
else:
|
|
if hasattr(self.plugins[module.Plugin.name], "task"):
|
|
self.plugins[module.Plugin.name].task.cancel()
|
|
self.plugins.pop(module.Plugin.name, None)
|
|
self.plugins[module.Plugin.name] = module.Plugin()
|
|
if hasattr(module.Plugin, "__main"):
|
|
setattr(self.plugins[module.Plugin.name], "task",
|
|
self.loop.create_task(self.plugins[module.Plugin.name].__main()))
|
|
self.logger.info("Loaded {}".format(module.Plugin.name))
|
|
except Exception as e:
|
|
self.logger.error("Could not load {}. {}".format(file, e))
|
|
finally:
|
|
if refresh:
|
|
self.loop.create_task(self.refresh_iframe())
|
|
|
|
def import_plugins(self):
|
|
self.logger.info(f"import plugins from {self.plugin_path}")
|
|
|
|
directories = [i for i in listdir(self.plugin_path) if path.isdir(path.join(self.plugin_path, i)) and path.isfile(path.join(self.plugin_path, i, "main.py"))]
|
|
for directory in directories:
|
|
self.logger.info(f"found plugin: {directory}")
|
|
self.import_plugin(path.join(self.plugin_path, directory, "main.py"), directory)
|
|
|
|
async def reload_plugins(self, request=None):
|
|
self.logger.info("Re-importing plugins.")
|
|
self.import_plugins()
|
|
|
|
async def handle_plugin_method_call(self, plugin_name, method_name, **kwargs):
|
|
if method_name.startswith("__"):
|
|
raise RuntimeError("Tried to call private method")
|
|
return await getattr(self.plugins[plugin_name], method_name)(**kwargs)
|
|
|
|
async def get_steam_resource(self, request):
|
|
tab = (await get_tabs())[0]
|
|
try:
|
|
return web.Response(text=await tab.get_steam_resource(f"https://steamloopback.host/{request.match_info['path']}"), content_type="text/html")
|
|
except Exception as e:
|
|
return web.Response(text=str(e), status=400)
|
|
|
|
async def load_plugin_main_view(self, request):
|
|
plugin = self.plugins[request.match_info["name"]]
|
|
|
|
# open up the main template
|
|
with open(path.join(self.plugin_path, plugin._plugin_directory, plugin.main_view_html), 'r') as template:
|
|
template_data = template.read()
|
|
# setup the main script, plugin, and pull in the template
|
|
ret = """
|
|
<script src="/static/library.js"></script>
|
|
<script>const plugin_name = '{}' </script>
|
|
{}
|
|
""".format(plugin.name, template_data)
|
|
return web.Response(text=ret, content_type="text/html")
|
|
|
|
async def load_plugin_tile_view(self, request):
|
|
plugin = self.plugins[request.match_info["name"]]
|
|
|
|
inner_content = ""
|
|
|
|
# open up the tile template (if we have one defined)
|
|
if len(plugin.tile_view_html) > 0:
|
|
with open(path.join(self.plugin_path, plugin._plugin_directory, plugin.tile_view_html), 'r') as template:
|
|
template_data = template.read()
|
|
inner_content = template_data
|
|
|
|
# setup the default template
|
|
ret = """
|
|
<html style="height: fit-content;">
|
|
<head>
|
|
<link rel="stylesheet" href="/steam_resource/css/2.css">
|
|
<link rel="stylesheet" href="/steam_resource/css/39.css">
|
|
<link rel="stylesheet" href="/steam_resource/css/library.css">
|
|
<script src="/static/library.js"></script>
|
|
<script>const plugin_name = '{name}';</script>
|
|
</head>
|
|
<body style="height: fit-content; display: block;">
|
|
{content}
|
|
</body>
|
|
<html>
|
|
""".format(name=plugin.name, content=inner_content)
|
|
return web.Response(text=ret, content_type="text/html")
|
|
|
|
@template('plugin_view.html')
|
|
async def plugin_iframe_route(self, request):
|
|
return {"plugins": self.plugins.values()}
|
|
|
|
async def refresh_iframe(self):
|
|
tab = next((i for i in await get_tabs() if i.title == "QuickAccess"), None)
|
|
await tab.open_websocket()
|
|
return await tab.evaluate_js("reloadIframe()") |