FEATURE 14.1: autoreaction on invalid nick

- если фулл_нейм НЕ содержит букв английских или русских то считаем его невалидным, сообщение удаляем, юзеру пишем о правиле 6

src/commands.py

@@ -6,7 +6,7 @@ from telebot import types
 from .admin_commands import bot
 from .constants import (LOG_COMM, FAQ, LIB, RULES, RUS, RUS_ENG_TABLE, ENG_RUS_TABLE, PYTHONCHATRU, ZEN, LUTZ_ID,
                         BDMTSS_ID)
-from .filters import in_spam_list, in_caption_spam_list, in_delete_list, is_hello_text, is_empty_name
+from .filters import in_spam_list, in_caption_spam_list, in_delete_list, is_hello_text, is_invalid_name
 from .helpers import represent_as_get, detect_args, is_admin, fetch_rule
 from .report import update_stats, increment
 from .stan import act, speak
@@ -352,7 +352,7 @@ async def default_query(inline_query):
     await bot.answer_inline_query(inline_query.id, zen, cache_time=1200)
 
 
-@bot.message_handler(func=is_empty_name, chat_types=["supergroup", "group"])
+@bot.message_handler(func=is_invalid_name, chat_types=["supergroup", "group"])
 async def handle_hello(message: types.Message):
     await bot.delete_message(message.chat.id, message.id)
     nick_rule = 6

src/filters.py

@@ -4,7 +4,7 @@ from telebot import types
 
 from .config import WHITEIDS
 from .constants import LOG_COMM, ALLOWED_WORDS, URL_RX, HELLO_EXAMPLES
-from .helpers import is_spam, is_in_not_allowed, is_ban_words_in_caption, cleaned_text, remove_spaces
+from .helpers import is_spam, is_in_not_allowed, is_ban_words_in_caption, cleaned_text, remove_spaces, has_no_letters
 from .models import is_antispam_enabled
 
 
@@ -52,5 +52,8 @@ def is_hello_text(message: types.Message) -> bool:
     return any(hello == text for hello in HELLO_EXAMPLES)
 
 
-def is_empty_name(message: types.Message) -> bool:
-    return message.from_user.full_name.strip() == ''
+def is_invalid_name(message: types.Message) -> bool:
+    name = message.from_user.full_name
+    if name is None or name.strip() == '':
+        return True
+    return has_no_letters(name)

src/helpers.py

@@ -69,6 +69,12 @@ def is_admin(message: types.Message) -> bool:
     return message.from_user.id == ADMIN_ID
 
 
+def has_no_letters(text: str) -> bool:
+    text = text.lower()
+    letters = f'{ONLY_RUS_LETTERS}{ONLY_ENG_LETTERS}'
+    return not any(letter in text for letter in letters)
+
+
 def my_ip():
     ip_service = "https://icanhazip.com"
     ip = urlopen(ip_service)