What frameworks are there to write chat bots for vk, telegram and viber at the same time?

Question

Bots

I want to write the logic once and use it in three messengers

Answer 1

There are no such.
The basic logic for all APIs is approximately the same, nothing prevents you from creating a command handler class that will receive all your commands and send them to the messengers you need. More or less like this:

>>> class Commands():
...      def print_msg(self, msg):
...          print(msg)
...          print("".join(reversed(msg)))
...
>>> commands = Commands()
>>> commands.print_msg("foo")
foo
oof
>>>

As you can see, I passed a message to method 1, but it was displayed in two different ways.
Although a class is not needed here, it will be more convenient if there are a lot of methods.

Answer 2

DJANGO