Files
Berry/plugin_loader.py
2025-10-27 13:11:33 +11:00

114 lines
3.4 KiB
Python

from textual_window import Window
from textual.widgets import RichLog
from textual import work
from lupa import LuaRuntime, lua51
import os, json, asyncio
class PluginLoader(Window):
def __init__(self):
super().__init__(
id="Plugin Loader",
mode="permanent",
icon="⚙️",
starting_horizontal="right",
starting_vertical="bottom",
start_open=True
)
@work
async def find_plugins(self):
log = self.query_one(RichLog)
log.write("[b]Setting up LUA runtime..[/]")
self.lua_runtime = lua51.LuaRuntime()
lua_runtime_stuff = {
"ui": {
"notify": self.notify
}
}
log.write("[b]Finding plugins...[/]")
# Find all plugins (they're just in the plugins folder for now)
folders = [
os.path.join(os.path.dirname(__file__), "plugins")
]
# path to the folder of all correctly formatted plugins
plugin_paths = []
for folder in folders:
log.write(f"Searching {folder}...")
plugin_folders = os.listdir(folder)
for plugin_folder in plugin_folders:
plugin_folder = os.path.join(folder, plugin_folder)
if not os.path.isdir(plugin_folder):
log.write(f"[d]Ignoring {plugin_folder} because it is not a folder.[/]")
continue
if not os.path.isdir(os.path.join(plugin_folder, "lua")):
log.write(f"[d]Ignoring {plugin_folder} because it has no \"lua\" folder.[/]")
continue
if not os.path.isfile(os.path.join(plugin_folder, "plugin.json")):
log.write(f"[d]Ignoring {plugin_folder} because it has no plugin.json file.[/]")
continue
with open(os.path.join(plugin_folder, "plugin.json"), "r") as f:
try:
plugin_json = json.loads(f.read())
plugin_json["name"]
plugin_json["version"]
plugin_json["author"]
plugin_json["dependencies"]
except UnicodeDecodeError:
log.write(f"[d]Ignoring {plugin_folder} because its plugin.json file is unreadable.[/]")
continue
except json.JSONDecodeError:
log.write(f"[d]Ignoring {plugin_folder} because its plugin.json file is malformed.[/]")
continue
except KeyError as e:
log.write(f"[d]Ignoring {plugin_folder} because its plugin.json file is missing the field {e}.")
continue
except Exception as e:
log.write(f"[d]Ignoring {plugin_folder} because of error: {e}.[/]")
continue
log.write(f"[b green]FOUND[/] {plugin_json['name']} ({plugin_json['version']})")
for lua_file in os.listdir(os.path.join(plugin_folder, "lua")):
lua_file_path = os.path.join(plugin_folder, f"lua/{lua_file}")
with open(lua_file_path, "r") as f:
code = f.read()
sandbox = self.lua_runtime.eval("{}")
setfenv = self.lua_runtime.eval("setfenv")
sandbox.print = self.log #self.lua_runtime.globals().print
sandbox.math = self.lua_runtime.globals().math
sandbox.string = self.lua_runtime.globals().string
sandbox.berry = lua_runtime_stuff
setfenv(0, sandbox)
executed_code = self.lua_runtime.execute(code)
if executed_code.init:
executed_code.init()
if executed_code.main:
self.run_worker(thread=True, work=executed_code.main)
plugin_paths.append(plugin_folder)
log.write("\n[d]Window will automatically close in 5 seconds.[/]")
await asyncio.sleep(5.0)
self.close_window()
async def on_mount(self):
self.find_plugins()
def compose(self):
yield RichLog(markup=True, id="plugins-log")