Added file custom_filters

Added file with custom filters. Updated the examples

examples/id_filter_example.py

@@ -1,6 +1,7 @@
 import telebot
+from telebot import custom_filters
 
-bot = telebot.TeleBot('TOKEN')
+bot = telebot.TeleBot('token')
 
 
 # Chat id can be private or supergroups.
@@ -13,4 +14,8 @@ def not_admin(message):
     bot.send_message(message.chat.id, "You are not allowed to use this command")
 
 
+# Do not forget to register
+bot.add_custom_filter(custom_filters.UserFilter())
+
+
 bot.polling(non_stop=True)

examples/text_filter_example.py

@@ -1,4 +1,5 @@
 import telebot
+from telebot import custom_filters
 
 bot = telebot.TeleBot('TOKEN')
 
@@ -13,5 +14,8 @@ def start_filter(message):
 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.polling(non_stop=True)

telebot/__init__.py

@@ -185,7 +185,7 @@ class TeleBot:
         self.poll_answer_handlers = []
         self.my_chat_member_handlers = []
         self.chat_member_handlers = []
-        self.custom_filters = {'text': util.TextFilter(), 'text_contains': util.TextContains(), 'chat_id': util.UserFilter(), 'text_startswith': util.TextStarts()}
+        self.custom_filters = {}
 
         if apihelper.ENABLE_MIDDLEWARE:
             self.typed_middleware_handlers = {

telebot/custom_filters.py

@@ -0,0 +1,61 @@
+from telebot import util
+
+
+
+class TextFilter(util.AdvancedCustomFilter):
+    """
+    Filter to check Text message.
+    key: text
+
+    Example:
+    @bot.message_handler(text=['account'])
+    """
+
+    key = 'text'
+
+    def check(self, message, text):
+        if type(text) is list:return message.text in text
+        else: return text == message.text
+
+class TextContains(util.AdvancedCustomFilter):
+    """
+    Filter to check Text message.
+    key: text
+
+    Example:
+    # Will respond if any message.text contains word 'account'
+    @bot.message_handler(text_contains=['account'])
+    """
+
+    key = 'text_contains'
+
+    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):
+    """
+    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) 

telebot/util.py

@@ -486,62 +486,4 @@ class AdvancedCustomFilter(ABC):
         """
         pass
 
-class TextFilter(AdvancedCustomFilter):
-    """
-    Filter to check Text message.
-    key: text
-
-    Example:
-    @bot.message_handler(text=['account'])
-    """
-
-    key = 'text'
-
-    def check(self, message, text):
-        if type(text) is list:return message.text in text
-        else: return text == message.text
-
-class TextContains(AdvancedCustomFilter):
-    """
-    Filter to check Text message.
-    key: text
-
-    Example:
-    # Will respond if any message.text contains word 'account'
-    @bot.message_handler(text_contains=['account'])
-    """
-
-    key = 'text_contains'
-
-    def check(self, message, text):
-        return text in message.text
-
-class UserFilter(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(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) 
-