Update custom filters readme and examples

README.md

@@ -289,25 +289,25 @@ def start(message):
 There are other examples using middleware handler in the [examples/middleware](examples/middleware) directory.
 	
 	
-### Custom filters
+#### Custom filters
 Also, you can use built-in custom filters. Or, you can create your own filter.	
 
-[Example of custom filter](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/custom_filters.py)
+[Example of custom filter](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/custom_filters/general_custom_filters.py)
 	
 Also, we have examples on them. Check this links:
 	
 You can check some built-in filters in source [code](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/telebot/custom_filters.py)
 	
-Example of [filtering by id](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/id_filter_example.py)
+Example of [filtering by id](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/custom_filters/id_filter_example.py)
 	
-Example of [filtering by text](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/text_filter_example.py)
+Example of [filtering by text](https://github.com/eternnoir/pyTelegramBotAPI/blob/master/examples/custom_filters/text_filter_example.py)
 	
 If you want to add some built-in filter, you are welcome to add it in custom_filters.py file.
 	
 Here is example of creating filter-class:
 	
 ```python
-class IsAdmin(util.SimpleCustomFilter):
+class IsAdmin(telebot.custom_filters.SimpleCustomFilter):
     # Class will check whether the user is admin or creator in group or not
     key='is_admin'
     @staticmethod

examples/custom_filters/general_custom_filters.py

@@ -1,18 +1,17 @@
 import telebot
-from telebot import util
 
 bot = telebot.TeleBot('TOKEN')
 
 
 # AdvancedCustomFilter is for list, string filter values
-class MainFilter(util.AdvancedCustomFilter):
+class MainFilter(telebot.custom_filters.AdvancedCustomFilter):
     key='text'
     @staticmethod
     def check(message, text):
         return message.text in text
 
 # SimpleCustomFilter is for boolean values, such as is_admin=True
-class IsAdmin(util.SimpleCustomFilter):
+class IsAdmin(telebot.custom_filters.SimpleCustomFilter):
     key='is_admin'
     @staticmethod
     def check(message: telebot.types.Message):

examples/custom_filters/id_filter_example.py

@@ -15,7 +15,8 @@ def not_admin(message):
 
 
 # Do not forget to register
-bot.add_custom_filter(custom_filters.UserFilter())
+bot.add_custom_filter(custom_filters.ChatFilter())
 
 
-bot.polling(non_stop=True)
+bot.polling(non_stop=True)
+

examples/custom_filters/text_filter_example.py

@@ -15,7 +15,7 @@ def text_filter(message):
     bot.send_message(message.chat.id, "Hi, {name}!".format(name=message.from_user.first_name))
 
 # Do not forget to register filters
-bot.add_custom_filter(custom_filters.TextFilter())
-bot.add_custom_filter(custom_filters.TextStarts())
+bot.add_custom_filter(custom_filters.TextMatchFilter())
+bot.add_custom_filter(custom_filters.TextStartsFilter())
 
 bot.polling(non_stop=True)

telebot/__init__.py

@@ -12,7 +12,7 @@ from typing import Any, Callable, List, Optional, Union
 # this imports are used to avoid circular import error
 import telebot.util
 import telebot.types
-
+from custom_filters import SimpleCustomFilter, AdvancedCustomFilter
 
 
 logger = logging.getLogger('TeleBot')
@@ -3140,9 +3140,9 @@ class TeleBot:
         filter_check = self.custom_filters.get(message_filter)
         if not filter_check:
             return False
-        elif isinstance(filter_check, util.SimpleCustomFilter):
+        elif isinstance(filter_check, SimpleCustomFilter):
             return filter_value == filter_check.check(message)
-        elif isinstance(filter_check, util.AdvancedCustomFilter):
+        elif isinstance(filter_check, AdvancedCustomFilter):
             return filter_check.check(message, filter_value)
         else:
             logger.error("Custom filter: wrong type. Should be SimpleCustomFilter or AdvancedCustomFilter.")

telebot/custom_filters.py

@@ -1,8 +1,36 @@
-from telebot import util
+from abc import ABC
+
+class SimpleCustomFilter(ABC):
+    """
+    Simple Custom Filter base class.
+    Create child class with check() method.
+    Accepts only message, returns bool value, that is compared with given in handler.
+    """
+
+    def check(self, message):
+        """
+        Perform a check.
+        """
+        pass
 
 
+class AdvancedCustomFilter(ABC):
+    """
+    Simple Custom Filter base class.
+    Create child class with check() method.
+    Accepts two parameters, returns bool: True - filter passed, False - filter failed.
+    message: Message class
+    text: Filter value given in handler
+    """
 
-class TextFilter(util.AdvancedCustomFilter):
+    def check(self, message, text):
+        """
+        Perform a check.
+        """
+        pass
+
+
+class TextMatchFilter(AdvancedCustomFilter):
     """
     Filter to check Text message.
     key: text
@@ -17,7 +45,7 @@ class TextFilter(util.AdvancedCustomFilter):
         if type(text) is list:return message.text in text
         else: return text == message.text
 
-class TextContains(util.AdvancedCustomFilter):
+class TextContainsFilter(AdvancedCustomFilter):
     """
     Filter to check Text message.
     key: text
@@ -32,30 +60,27 @@ class TextContains(util.AdvancedCustomFilter):
     def check(self, message, text):
         return text in message.text
 
-class UserFilter(util.AdvancedCustomFilter):
-    """
-    Check whether chat_id corresponds to given chat_id.
-
-    Example:
-    @bot.message_handler(chat_id=[99999])
-
-    """
-
-    key = 'chat_id'
-    def check(self, message, text):
-        return message.chat.id in text
-
-
-class TextStarts(util.AdvancedCustomFilter):
+class TextStartsFilter(AdvancedCustomFilter):
     """
     Filter to check whether message starts with some text.
 
     Example:
     # Will work if message.text starts with 'Sir'.
     @bot.message_handler(text_startswith='Sir')
-
     """
 
     key = 'text_startswith'
     def check(self, message, text):
         return message.text.startswith(text) 
+
+class ChatFilter(AdvancedCustomFilter):
+    """
+    Check whether chat_id corresponds to given chat_id.
+
+    Example:
+    @bot.message_handler(chat_id=[99999])
+    """
+
+    key = 'chat_id'
+    def check(self, message, text):
+        return message.chat.id in text

telebot/util.py

@@ -5,7 +5,6 @@ import string
 import threading
 import traceback
 from typing import Any, Callable, List, Dict, Optional, Union
-from abc import ABC
 
 # noinspection PyPep8Naming
 import queue as Queue
@@ -456,34 +455,3 @@ def webhook_google_functions(bot, request):
             return 'Bot FAIL', 400
     else:
         return 'Bot ON'
-
-
-class SimpleCustomFilter(ABC):
-    """
-    Simple Custom Filter base class.
-    Create child class with check() method.
-    Accepts only bool.
-    """
-
-    def check(self, message):
-        """
-        Perform a check.
-        """
-        pass
-
-class AdvancedCustomFilter(ABC):
-    """
-    Simple Custom Filter base class.
-    Create child class with check() method.
-    Can accept to parameters.
-    message: Message class
-    text: Filter value given in handler
-    """
-
-    def check(self, message, text):
-        """
-        Perform a check.
-        """
-        pass
-
-