Files
XtendR/xtendr/xtendrsystem.py

100 lines
3.7 KiB
Python

import importlib
import sys
import os
import json
import threading
from xtendr.xtendrbase import XtendRBase
__version__ = "0.3.3.1"
class XtendRSystem:
"""Plugin system to manage plugins.
Example:
>>> system = XtendRSystem()
>>> system.version()
XtendR v0.1.3
>>> system.attach("example_plugin") # Assuming 'example_plugin/example_plugin.json' exists
>>> system.run("example_plugin")
ExamplePlugin is running!
>>> system.stop("example_plugin")
ExamplePlugin has stopped!
>>> system.detach("example_plugin")
Detached plugin 'example_plugin'.
"""
def __init__(self, pluginpath = "plugins"):
self.pluginspath = pluginpath
self.plugins = {}
def version(self) -> str:
return "XtendR v" + __version__
def attach(self, name: str, callback) -> None:
"""Dynamically load a plugin from its folder."""
if name in self.plugins:
print(f"Plugin '{name}' is already attached.")
return
plugin_path = os.path.join(os.getcwd(), self.pluginspath, name)
info_path = os.path.join(plugin_path, name + ".json")
print(plugin_path + "\n" + info_path)
if not os.path.isdir(plugin_path) or not os.path.isfile(info_path):
print(f"Failed to attach plugin '{name}', folder or info file not found.")
return
try:
with open(info_path, "r", encoding="utf-8") as f:
plugin_info = json.load(f)
module_name = plugin_info.get("module")
class_name = plugin_info.get("class")
if not module_name or not class_name:
print(f"Plugin '{name}' info file is missing 'module' or 'class' key.")
return
sys.path.insert(0, plugin_path)
module = importlib.import_module(module_name)
plugin_class = getattr(module, class_name)
instance = plugin_class()
if not isinstance(instance, XtendRBase):
print(f"Plugin '{name}' does not inherit from PluginBase.")
return
self.plugins[name] = {
'instance': instance,
'running': False,
'info': plugin_info,
'autorun': False
}
print(f"Attached plugin '{name}'.")
print(f"Running pre-load on '{name}'.")
thread = threading.Thread(target=self.plugins[name]['instance'].pre_load, args=(callback,))
thread.start()
except (ModuleNotFoundError, json.JSONDecodeError, AttributeError) as e:
print(f"Failed to attach plugin '{name}': {e}")
def run(self, name: str, *args, **kwargs):
"""Run the plugin's 'run' method if available."""
if name in self.plugins:
self.plugins[name]['running'] = True
return self.plugins[name]['instance'].run(*args, **kwargs)
print(f"Plugin '{name}' not found or has no 'run' method.")
def stop(self, name: str) -> None:
"""Stop the plugin if it's running."""
if name in self.plugins and self.plugins[name]['running']:
self.plugins[name]['running'] = False
self.plugins[name]['instance'].stop()
else:
print(f"Plugin '{name}' is not running.")
def detach(self, name: str) -> None:
"""Unload a plugin."""
if name in self.plugins:
del self.plugins[name]
sys.modules.pop(name, None)
print(f"Detached plugin '{name}'.")
else:
print(f"Plugin '{name}' is not attached.")