minor fixes

docs/source/additional.rst

@@ -10,7 +10,7 @@ Bitcoin:
     ``bc1qlq7cm5chc8flr3fy8ewk967aknq3dwmxtwn9hl``
 
 Litecoin:
-    ``LTC1QXAJSVZ0LW44AA5NYTUCH8CP2G8X7A4CDASE4Y7``
+    ``ltc1qxajsvz0lw44aa5nytuch8cp2g8x7a4cdase4y7``
 
 Как убрать "Этот бот создан с помощью ..."
 ----------------

main.py

@@ -7,9 +7,9 @@ from olgram.settings import TORTOISE_ORM, OlgramSettings
 from olgram.utils.permissions import AccessMiddleware
 from server.custom import init_redis
 
+import olgram.commands.menu  # noqa: F401
 import olgram.commands.bots  # noqa: F401
 import olgram.commands.start  # noqa: F401
-import olgram.commands.menu  # noqa: F401
 import olgram.commands.bot_actions  # noqa: F401
 import olgram.commands.info  # noqa: F401
 import olgram.commands.promo  # noqa: F401

olgram/commands/menu.py

@@ -358,6 +358,8 @@ async def mailing_text_received(message: types.Message, state: FSMContext):
                 obj = message.audio
             elif message.content_type == types.ContentType.VIDEO:
                 obj = message.video
+            if obj.file_size and obj.file_size > 4194304:
+                return await message.answer(_("Слишком большой файл (4 Мб максимум)"))
 
             try:
                 await obj.download(buffer, timeout=5)
@@ -366,10 +368,14 @@ async def mailing_text_received(message: types.Message, state: FSMContext):
                 logging.error(err, exc_info=True)
                 return await message.answer(_("Не удалось загрузить файл (слишком большой размер?)"))
             proxy["mailing_data"] = buffer.getvalue()
-            proxy["mailing_file_name"] = getattr(obj, "file_name")
+            proxy["mailing_file_name"] = getattr(obj, "file_name", None)
         _message_id = await send_stored_message(proxy, AioBot.get_current(), message.chat.id)
 
     keyboard = types.InlineKeyboardMarkup(row_width=1)
+    keyboard.insert(
+        types.InlineKeyboardButton(text=_("<< Отменить рассылку"),
+                                   callback_data=menu_callback.new(level=1, bot_id=bot_id, operation=empty, chat=empty))
+    )
     keyboard.insert(
         types.InlineKeyboardButton(text=_("Да, начать рассылку"),
                                    callback_data=menu_callback.new(level=3, bot_id=bot_id, operation="go_go_mailing",