pyTelegramBotAPI/telebot/custom_filters.py

351 lines
9.8 KiB
Python

from abc import ABC
from typing import Optional, Union
from telebot.handler_backends import State
from telebot import types
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.
Child classes should have .key property.
"""
key: str = None
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
Child classes should have .key property.
"""
key: str = None
def check(self, message, text):
"""
Perform a check.
"""
pass
class TextFilter:
"""
Advanced text filter to check (types.Message, types.CallbackQuery, types.InlineQuery, types.Poll)
example of usage is in examples/custom_filters/advanced_text_filter.py
"""
def __init__(self,
equals: Optional[str] = None,
contains: Optional[Union[list, tuple]] = None,
starts_with: Optional[Union[str, list, tuple]] = None,
ends_with: Optional[Union[str, list, tuple]] = None,
ignore_case: bool = False):
"""
:param equals: string, True if object's text is equal to passed string
:param contains: list[str] or tuple[str], True if any string element of iterable is in text
:param starts_with: string, True if object's text starts with passed string
:param ends_with: string, True if object's text starts with passed string
:param ignore_case: bool (default False), case insensitive
"""
to_check = sum((pattern is not None for pattern in (equals, contains, starts_with, ends_with)))
if to_check == 0:
raise ValueError('None of the check modes was specified')
self.equals = equals
self.contains = self._check_iterable(contains, filter_name='contains')
self.starts_with = self._check_iterable(starts_with, filter_name='starts_with')
self.ends_with = self._check_iterable(ends_with, filter_name='ends_with')
self.ignore_case = ignore_case
def _check_iterable(self, iterable, filter_name: str):
if not iterable:
pass
elif not isinstance(iterable, str) and not isinstance(iterable, list) and not isinstance(iterable, tuple):
raise ValueError(f"Incorrect value of {filter_name!r}")
elif isinstance(iterable, str):
iterable = [iterable]
elif isinstance(iterable, list) or isinstance(iterable, tuple):
iterable = [i for i in iterable if isinstance(i, str)]
return iterable
def check(self, obj: Union[types.Message, types.CallbackQuery, types.InlineQuery, types.Poll]):
if isinstance(obj, types.Poll):
text = obj.question
elif isinstance(obj, types.Message):
text = obj.text or obj.caption
elif isinstance(obj, types.CallbackQuery):
text = obj.data
elif isinstance(obj, types.InlineQuery):
text = obj.query
else:
return False
if self.ignore_case:
text = text.lower()
if self.equals:
self.equals = self.equals.lower()
elif self.contains:
self.contains = tuple(map(str.lower, self.contains))
elif self.starts_with:
self.starts_with = tuple(map(str.lower, self.starts_with))
elif self.ends_with:
self.ends_with = tuple(map(str.lower, self.ends_with))
if self.equals:
result = self.equals == text
if result:
return True
elif not result and not any((self.contains, self.starts_with, self.ends_with)):
return False
if self.contains:
result = any([i in text for i in self.contains])
if result:
return True
elif not result and not any((self.starts_with, self.ends_with)):
return False
if self.starts_with:
result = any([text.startswith(i) for i in self.starts_with])
if result:
return True
elif not result and not self.ends_with:
return False
if self.ends_with:
return any([text.endswith(i) for i in self.ends_with])
return False
class TextMatchFilter(AdvancedCustomFilter):
"""
Filter to check Text message.
key: text
Example:
@bot.message_handler(text=['account'])
"""
key = 'text'
def check(self, message, text):
if isinstance(text, TextFilter):
return text.check(message)
elif type(text) is list:
return message.text in text
else:
return text == message.text
class TextContainsFilter(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):
if not isinstance(text, str) and not isinstance(text, list) and not isinstance(text, tuple):
raise ValueError("Incorrect text_contains value")
elif isinstance(text, str):
text = [text]
elif isinstance(text, list) or isinstance(text, tuple):
text = [i for i in text if isinstance(i, str)]
return any([i in message.text for i in text])
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):
if isinstance(message, types.CallbackQuery):
return message.message.chat.id in text
return message.chat.id in text
class ForwardFilter(SimpleCustomFilter):
"""
Check whether message was forwarded from channel or group.
Example:
@bot.message_handler(is_forwarded=True)
"""
key = 'is_forwarded'
def check(self, message):
return message.forward_date is not None
class IsReplyFilter(SimpleCustomFilter):
"""
Check whether message is a reply.
Example:
@bot.message_handler(is_reply=True)
"""
key = 'is_reply'
def check(self, message):
if isinstance(message, types.CallbackQuery):
return message.message.reply_to_message is not None
return message.reply_to_message is not None
class LanguageFilter(AdvancedCustomFilter):
"""
Check users language_code.
Example:
@bot.message_handler(language_code=['ru'])
"""
key = 'language_code'
def check(self, message, text):
if type(text) is list:
return message.from_user.language_code in text
else:
return message.from_user.language_code == text
class IsAdminFilter(SimpleCustomFilter):
"""
Check whether the user is administrator / owner of the chat.
Example:
@bot.message_handler(chat_types=['supergroup'], is_chat_admin=True)
"""
key = 'is_chat_admin'
def __init__(self, bot):
self._bot = bot
def check(self, message):
if isinstance(message, types.CallbackQuery):
return self._bot.get_chat_member(message.message.chat.id, message.from_user.id).status in ['creator', 'administrator']
return self._bot.get_chat_member(message.chat.id, message.from_user.id).status in ['creator', 'administrator']
class StateFilter(AdvancedCustomFilter):
"""
Filter to check state.
Example:
@bot.message_handler(state=1)
"""
def __init__(self, bot):
self.bot = bot
key = 'state'
def check(self, message, text):
if text == '*': return True
# needs to work with callbackquery
if isinstance(message, types.Message):
chat_id = message.chat.id
user_id = message.from_user.id
if isinstance(message, types.CallbackQuery):
chat_id = message.message.chat.id
user_id = message.from_user.id
message = message.message
if isinstance(text, list):
new_text = []
for i in text:
if isinstance(i, State): i = i.name
new_text.append(i)
text = new_text
elif isinstance(text, State):
text = text.name
if message.chat.type in ['group', 'supergroup']:
group_state = self.bot.current_states.get_state(user_id, chat_id)
if group_state == text:
return True
elif type(text) is list and group_state in text:
return True
else:
user_state = self.bot.current_states.get_state(user_id, chat_id)
if user_state == text:
return True
elif type(text) is list and user_state in text:
return True
class IsDigitFilter(SimpleCustomFilter):
"""
Filter to check whether the string is made up of only digits.
Example:
@bot.message_handler(is_digit=True)
"""
key = 'is_digit'
def check(self, message):
return message.text.isdigit()