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import os
import subprocess
import json
from decky_plugin import PluginBase
class Plugin(PluginBase):
async def get_installed_games(self) -> str:
library_file = "/home/deck/.steam/steam/steamapps/libraryfolders.vdf"
libraries = []
# Parse libraryfolders.vdf
if os.path.exists(library_file):
with open(library_file, "r") as f:
lines = f.readlines()
for line in lines:
if '"path"' in line:
path = line.split('"')[3]
libraries.append(os.path.join(path, "steamapps"))
# Fetch installed games from libraries
games = []
for library in libraries:
if os.path.exists(library):
manifest_files = [f for f in os.listdir(library) if f.startswith("appmanifest_")]
for manifest in manifest_files:
with open(os.path.join(library, manifest), "r") as f:
lines = f.readlines()
appid = ""
name = ""
for line in lines:
if '"appid"' in line:
appid = line.split('"')[3]
elif '"name"' in line:
name = line.split('"')[3]
if appid and name:
games.append({"appid": appid, "name": name})
# Return games as JSON string for compatibility with TSX
return json.dumps(games)
@callable
async def run_install_fgmod(self) -> dict:
script = """
#!/usr/bin/env bash
set -euo pipefail # Exit on error, undefined variable, or pipe failure
trap 'echo "An error occurred. Exiting."' ERR
# Define paths
assets_path="$HOME/homebrew/plugins/Decky-Framegen/assets"
mod_path="$assets_path"
nvidiaver=555.52.04
enablerver=3.02.000.0
fakenvapiver=v1.2.0
# Ensure the assets directory exists
if [[ ! -d "$assets_path" ]]; then
echo "Error: Assets directory does not exist at $assets_path!"
exit 1
fi
# Clear existing mod files
echo "Preparing mod directory..."
rm -rf "$mod_path"/*
mkdir -p "$mod_path"
# Copy fgmod scripts from assets
echo "Copying fgmod scripts..."
cp "$assets_path/fgmod.sh" "$mod_path/fgmod" || { echo "Error: fgmod.sh not found in assets!"; exit 1; }
cp "$assets_path/fgmod-uninstaller.sh" "$mod_path/fgmod-uninstaller.sh" || { echo "Error: fgmod-uninstaller.sh not found in assets!"; exit 1; }
# Navigate to mod_path
cd "$mod_path"
# Download required files
echo "Downloading required files..."
curl -OLf "https://github.com/artur-graniszewski/DLSS-Enabler/releases/download/$enablerver/dlss-enabler-setup-$enablerver.exe"
curl -OLf "https://download.nvidia.com/XFree86/Linux-x86_64/$nvidiaver/NVIDIA-Linux-x86_64-$nvidiaver.run"
curl -OLf "https://raw.githubusercontent.com/mozilla/fxc2/master/dll/d3dcompiler_47.dll"
curl -OLf "https://github.com/FakeMichau/innoextract/releases/download/6.3.0/innoextract"
curl -OLf "https://github.com/FakeMichau/fakenvapi/releases/download/$fakenvapiver/fakenvapi.7z"
# Validate downloads
echo "Validating downloaded files..."
required_files=(
"dlss-enabler-setup-$enablerver.exe"
"NVIDIA-Linux-x86_64-$nvidiaver.run"
"d3dcompiler_47.dll"
"innoextract"
"fakenvapi.7z"
)
for file in "${required_files[@]}"; do
if [[ ! -f $file ]]; then
echo "Error: Missing required file: $file"
exit 1
fi
done
# Extract and prepare files
echo "Extracting and preparing files..."
chmod +x NVIDIA-Linux-x86_64-$nvidiaver.run innoextract
./NVIDIA-Linux-x86_64-$nvidiaver.run -x
./innoextract dlss-enabler-setup-$enablerver.exe
mv app/* . || true
rm -r app || true
if command -v 7z &>/dev/null; then
7z -y x fakenvapi.7z
fi
cp -f NVIDIA-Linux-x86_64-$nvidiaver/nvngx.dll _nvngx.dll
cp -f NVIDIA-Linux-x86_64-$nvidiaver/LICENSE "licenses/LICENSE (NVIDIA driver)"
chmod +r _nvngx.dll
# Cleanup unnecessary files
echo "Cleaning up temporary files..."
rm -rf innoextract NVIDIA-Linux-x86_64-$nvidiaver dlss-enabler-setup-$enablerver.exe \
NVIDIA-Linux-x86_64-$nvidiaver.run fakenvapi.7z
# Update script paths
sed -i "s|mod_path=\"/usr/share/fgmod\"|mod_path=\"$mod_path\"|g" "$mod_path/fgmod" "$mod_path/fgmod-uninstaller.sh"
chmod +x "$mod_path/fgmod" "$mod_path/fgmod-uninstaller.sh"
# Handle Flatpak Steam
if flatpak list | grep -q "com.valvesoftware.Steam"; then
echo "Flatpak version of Steam detected. Granting access to $mod_path."
flatpak override --user --filesystem="$mod_path" com.valvesoftware.Steam
echo "Please restart Steam for changes to take effect."
fi
echo "All done!"
echo "For Steam, add this to the launch options: \"$mod_path/fgmod\" %COMMAND%"
echo "For Heroic, add this as a new wrapper: \"$mod_path/fgmod\""
"""
try:
process = subprocess.run(script, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
return {"status": "success", "output": process.stdout}
except subprocess.CalledProcessError as e:
return {"status": "error", "message": e.stderr}
async def _main(self):
decky.logger.info("Plugin loaded.")
async def _unload(self):
decky.logger.info("Plugin unloaded.")
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