2023-07-22 21:34:52 +03:00

217 lines
8.4 KiB
Python

# -*- coding: utf-8 -*-
# Developed by KuiToi Dev
# File modules.PluginsLoader.plugins_loader.py
# Written by: SantaSpeen
# Version 1.0
# Licence: FPA
# (c) kuitoi.su 2023
import asyncio
import inspect
import os
import types
from contextlib import contextmanager
from threading import Thread
from core import get_logger
class KuiToi:
_plugins_dir = ""
def __init__(self, name):
if name is None:
raise AttributeError("KuiToi: Name is required")
self.__log = get_logger(f"Plugin | {name}")
self.__name = name
self.__dir = os.path.join(self._plugins_dir, self.__name)
if not os.path.exists(self.__dir):
os.mkdir(self.__dir)
@property
def log(self):
return self.__log
@property
def name(self):
return self.__name
@property
def dir(self):
return self.__dir
@contextmanager
def open(self, file, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True, opener=None):
path = os.path.join(self.__dir, file)
self.log.debug(f'Trying to open "{path}" with mode "{mode}"')
# Really need?
# if not os.path.exists(path):
# with open(path, 'x'): ...
f = None
try:
f = open(path, mode, buffering, encoding, errors, newline, closefd, opener)
yield f
except Exception as e:
raise e
finally:
if f is not None:
f.close()
def register_event(self, event_name, event_func):
self.log.debug(f"Registering event {event_name}")
ev.register_event(event_name, event_func)
def call_event(self, event_name, *args, **kwargs):
self.log.debug(f"Called event {event_name}")
return ev.call_event(event_name, *args, **kwargs)
async def call_async_event(self, event_name, *args, **kwargs):
self.log.debug(f"Called async event {event_name}")
return await ev.call_async_event(event_name, *args, **kwargs)
def call_lua_event(self, event_name, *args):
self.log.debug(f"Called lua event {event_name}")
return ev.call_lua_event(event_name, *args)
def get_player(self, pid=None, nick=None, cid=None):
self.log.debug("Requests get_player")
return ev.call_event("_get_player", cid=cid or pid, nick=nick)[0]
def get_players(self):
self.log.debug("Requests get_players")
return self.get_player(-1)
def players_counter(self):
self.log.debug("Requests players_counter")
return len(self.get_players())
def is_player_connected(self, pid=None, nick=None):
self.log.debug("Requests is_player_connected")
if pid < 0:
return False
return bool(self.get_player(cid=pid, nick=nick))
class PluginsLoader:
def __init__(self, plugins_dir):
self.loop = asyncio.get_event_loop()
self.plugins = {}
self.plugins_tasks = []
self.plugins_dir = plugins_dir
self.log = get_logger("PluginsLoader")
self.loaded_str = "Plugins: "
ev.register_event("_plugins_start", self.start)
ev.register_event("_plugins_unload", self.unload)
ev.register_event("_plugins_get", lambda x: list(self.plugins.keys()))
console.add_command("plugins", lambda x: self.loaded_str[:-2])
console.add_command("pl", lambda x: self.loaded_str[:-2])
async def load(self):
self.log.debug("Loading plugins...")
for file in os.listdir(self.plugins_dir):
file_path = os.path.join(self.plugins_dir, file)
if os.path.isfile(file_path) and file.endswith(".py"):
try:
self.log.debug(f"Loading plugin: {file[:-3]}")
plugin = types.ModuleType(file[:-3])
plugin.KuiToi = KuiToi
plugin.KuiToi._plugins_dir = self.plugins_dir
plugin.print = print
plugin.__file__ = file_path
with open(f'{file_path}', 'r', encoding=config.enc) as f:
code = f.read()
exec(code, plugin.__dict__)
ok = True
try:
is_func = inspect.isfunction
if not is_func(plugin.load):
self.log.error('Function "def load():" not found.')
ok = False
if not is_func(plugin.start):
self.log.error('Function "def start():" not found.')
ok = False
if not is_func(plugin.unload):
self.log.error('Function "def unload():" not found.')
ok = False
if type(plugin.kt) != KuiToi:
self.log.error(f'Attribute "kt" isn\'t KuiToi class. Plugin file: "{file_path}"')
ok = False
except AttributeError:
ok = False
if not ok:
self.log.error(f'Plugin file: "{file_path}" is not a valid KuiToi plugin.')
return
pl_name = plugin.kt.name
if self.plugins.get(pl_name) is not None:
raise NameError(f'Having plugins with identical names is not allowed; '
f'Plugin name: "{pl_name}"; Plugin file "{file_path}"')
plugin.open = plugin.kt.open
is_coro_func = inspect.iscoroutinefunction
self.plugins.update(
{
pl_name: {
"plugin": plugin,
"load": {
"func": plugin.load,
"async": is_coro_func(plugin.load)
},
"start": {
"func": plugin.start,
"async": is_coro_func(plugin.start)
},
"unload": {
"func": plugin.unload,
"async": is_coro_func(plugin.unload)
}
}
}
)
if self.plugins[pl_name]["load"]['async']:
plugin.log.debug(f"I'm async")
await plugin.load()
else:
plugin.log.debug(f"I'm sync")
th = Thread(target=plugin.load, name=f"{pl_name}.load()")
th.start()
th.join()
self.loaded_str += f"{pl_name}:ok, "
self.log.debug(f"Plugin loaded: {file}. Settings: {self.plugins[pl_name]}")
except Exception as e:
# TODO: i18n
self.loaded_str += f"{file}:no, "
self.log.error(f"Error while loading plugin: {file}; Error: {e}")
self.log.exception(e)
async def start(self, _):
for pl_name, pl_data in self.plugins.items():
try:
if pl_data['start']['async']:
self.log.debug(f"Start async plugin: {pl_name}")
t = self.loop.create_task(pl_data['start']['func']())
self.plugins_tasks.append(t)
else:
self.log.debug(f"Start sync plugin: {pl_name}")
th = Thread(target=pl_data['start']['func'], name=f"Thread {pl_name}")
th.start()
self.plugins_tasks.append(th)
except Exception as e:
self.log.exception(e)
async def unload(self, _):
for pl_name, pl_data in self.plugins.items():
try:
if pl_data['unload']['async']:
self.log.debug(f"Unload async plugin: {pl_name}")
await pl_data['unload']['func']()
else:
self.log.debug(f"Unload sync plugin: {pl_name}")
th = Thread(target=pl_data['unload']['func'], name=f"Thread {pl_name}")
th.start()
th.join()
except Exception as e:
self.log.exception(e)