257 lines
8.6 KiB
Python
257 lines
8.6 KiB
Python
from telegram.ext import Updater, MessageHandler, Filters
|
|
from telegram.constants import ParseMode
|
|
import datetime
|
|
import codecs
|
|
import time
|
|
import json
|
|
import sys
|
|
import os
|
|
import threading
|
|
import importlib
|
|
|
|
# global variables
|
|
STOP_REQUESTED = False
|
|
|
|
|
|
# some functions that increase readability of the code
|
|
def readfile(filename):
|
|
try:
|
|
return codecs.open(filename, encoding="utf-8").read()
|
|
except FileNotFoundError:
|
|
return False
|
|
except Exception as e:
|
|
print(f"[ERROR] Unexpected error occurred in readfile() ({e})")
|
|
return False
|
|
|
|
|
|
# module object classes
|
|
class ModuleV1:
|
|
def __init__(self, path, code, enabled, alias, predefine):
|
|
self.version = 1
|
|
self.enabled = enabled
|
|
self.code = code
|
|
self.alias = alias
|
|
self.path = path
|
|
self.predefine = predefine
|
|
|
|
if self.predefine:
|
|
self.set_predefine()
|
|
|
|
# set environmental variables
|
|
def set_env(self):
|
|
self.RESPONCE = ""
|
|
|
|
def set_predefine(self):
|
|
try:
|
|
exec(self.predefine)
|
|
except Exception as e:
|
|
print(f"[ERROR] module v1: module \"{self.path}\" ({self.alias}) raised exception \"{e}\" "
|
|
f"during predefine stage, disabling it...")
|
|
|
|
# running the module
|
|
def process(self, msg):
|
|
self.set_env()
|
|
|
|
self.MESSAGE = msg
|
|
try:
|
|
exec(self.code)
|
|
return self.RESPONCE
|
|
except Exception as e:
|
|
print(f"[ERROR] module v1: module \"{self.path}\" ({self.alias}) raised exception \"{e}\"")
|
|
return ""
|
|
|
|
|
|
class ModuleV2:
|
|
def __init__(self, path, index_file, enabled, alias):
|
|
self.version = 2
|
|
self.enabled = enabled
|
|
self.alias = alias
|
|
self.path = path
|
|
self.index_file = index_file[:-3]
|
|
self.obj = importlib.import_module((path + self.index_file).replace("/", "."))
|
|
|
|
# running the module
|
|
def process(self, msg):
|
|
try:
|
|
response = self.obj.process(msg, self.path)
|
|
return response
|
|
except Exception as e:
|
|
print(f"[ERROR] module v2: module \"{self.path}\" ({self.alias}) raised exception \"{e}\"")
|
|
return None
|
|
|
|
|
|
# module control unit
|
|
class ModuleControlUnit:
|
|
def __init__(self):
|
|
self.modules = []
|
|
self.reload_modules()
|
|
|
|
print("[INFO] ModuleControlUnit: initialized successfully")
|
|
|
|
def reload_modules(self):
|
|
for folder in os.listdir("modules/"):
|
|
try:
|
|
meta_raw = readfile("modules/{}/meta.json".format(folder))
|
|
if not meta_raw:
|
|
print(f"[WARN] module_loader: no meta.json found in module folder \"{folder}\"")
|
|
continue
|
|
|
|
meta = json.loads( meta_raw )
|
|
if "version" in meta:
|
|
if meta["version"] == 1:
|
|
if "index_file" in meta:
|
|
index_file = meta["index_file"]
|
|
else:
|
|
index_file = "index.py"
|
|
|
|
code = readfile( "modules/{}/{}".format(folder, index_file) )
|
|
if not code: # False both when readfile() returns False and when the code string is empty
|
|
print("[WARN] reload_modules: module {} does not have any code, skipping...".format(folder))
|
|
continue
|
|
|
|
if "start_on_boot" in meta:
|
|
enabled = meta["start_on_boot"]
|
|
else:
|
|
enabled = False
|
|
|
|
if "alias" in meta:
|
|
alias = meta["alias"]
|
|
else:
|
|
alias = None
|
|
|
|
if "predefine" in meta:
|
|
predefine = readfile("modules/{}/{}".format(folder, meta["predefine"]))
|
|
else:
|
|
predefine = False
|
|
|
|
self.modules.append(ModuleV1(f"modules/{folder}/", code, enabled, alias, predefine))
|
|
|
|
print(f"[INFO] reload_modules: successfully loaded {folder} as {alias} "
|
|
f"(start_on_boot: {enabled})")
|
|
|
|
elif meta["version"] == 2:
|
|
if "index_file" in meta:
|
|
index_file = meta["index_file"]
|
|
else:
|
|
index_file = "index.py"
|
|
|
|
if "start_on_boot" in meta:
|
|
enabled = meta["start_on_boot"]
|
|
else:
|
|
enabled = False
|
|
|
|
if "alias" in meta:
|
|
alias = meta["alias"]
|
|
else:
|
|
alias = None
|
|
|
|
self.modules.append(ModuleV2(f"modules/{folder}/", index_file, enabled, alias))
|
|
|
|
print(f"[INFO] reload_modules: successfully loaded {folder} as {alias} "
|
|
f"(start_on_boot: {enabled})")
|
|
|
|
else:
|
|
print(f"[WARN] reload_modules: module {folder} requires unsupported version "
|
|
f"({meta['version']} > 2), skipping...")
|
|
|
|
except Exception as e:
|
|
print(f"[ERROR] module_loader: error while loading module \"{folder}\" ({e})")
|
|
|
|
|
|
# synchronous message processor
|
|
def queue_processor():
|
|
while True:
|
|
try:
|
|
if len(message_queue) > 0:
|
|
msg = message_queue[0]
|
|
print("[DEBUG] queue_processor: {}".format(msg)) # debug
|
|
|
|
# check for control commands
|
|
if msg["chat"]["id"] == 575246355:
|
|
if msg["text"][0] == "$":
|
|
command = msg["text"][1:].split(" ")
|
|
|
|
if len(command) >= 2 and command[0] == "module":
|
|
if command[1] == "reload":
|
|
print("[INFO] Module reloading triggered by a command")
|
|
|
|
# properly reload all v2 modules
|
|
for mod in mcu.modules:
|
|
if mod.version == 2:
|
|
importlib.reload(mod.obj)
|
|
|
|
del mcu.modules[:]
|
|
mcu.reload_modules()
|
|
|
|
del message_queue[0]
|
|
continue
|
|
|
|
# modules are used in here
|
|
for mod in mcu.modules:
|
|
if mod.enabled:
|
|
if mod.version == 1 or mod.version == 2:
|
|
responce = mod.process(msg)
|
|
if responce:
|
|
updater.bot.send_message(chat_id=msg.chat.id, text=responce,
|
|
disable_web_page_preview=True,
|
|
parse_mode=ParseMode.MARKDOWN_V2)
|
|
print(f"Responded using module {mod.path} ({mod.alias}) with text: {responce}")
|
|
break
|
|
|
|
del message_queue[0]
|
|
|
|
time.sleep(0.1)
|
|
else:
|
|
if STOP_REQUESTED:
|
|
break
|
|
else:
|
|
time.sleep(1)
|
|
except Exception:
|
|
print(f"[ERROR] queue_processor: current message queue: {message_queue}")
|
|
print("[ERROR] queue_processor: error while processing message, trying to delete it...")
|
|
try:
|
|
del message_queue[0]
|
|
print("[INFO] queue_processor: deleted broken message from the queue")
|
|
except:
|
|
print("[WARN] queue_processor: message seems absent, whatever")
|
|
|
|
print("[INFO] queue_processor thread stops successfully")
|
|
|
|
|
|
# telegram bot processor
|
|
def message_handler(update, context):
|
|
print("[DEBUG] Received new message") # just for testing
|
|
message_queue.append(update.message)
|
|
|
|
|
|
# --- Final stage ---
|
|
|
|
|
|
# initializing services and queues
|
|
|
|
message_queue = []
|
|
|
|
mcu = ModuleControlUnit()
|
|
|
|
processor_thread = threading.Thread(target=queue_processor, args=[])
|
|
processor_thread.start()
|
|
|
|
|
|
# connecting to Telegram servers and listening for messages
|
|
|
|
TOKEN = readfile("config/token")
|
|
if not TOKEN:
|
|
print("[CRIT] Token has not been defined, quitting")
|
|
sys.exit(1)
|
|
|
|
# connect to Telegram servers
|
|
updater = Updater(TOKEN, use_context=True)
|
|
dispatcher = updater.dispatcher
|
|
|
|
# assign the handler for messages
|
|
dispatcher.add_handler(MessageHandler(Filters.text, message_handler))
|
|
|
|
# run the bot
|
|
updater.start_polling()
|
|
updater.idle()
|