diff --git a/telegram/ext/inlinemenuhandler.py b/telegram/ext/inlinemenuhandler.py
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+++ b/telegram/ext/inlinemenuhandler.py
@@ -0,0 +1,328 @@
+#!/usr/bin/env python
+#
+# A library that provides a Python interface to the Telegram Bot API
+# Copyright (C) 2015-2020
+# Leandro Toledo de Souza <devs@python-telegram-bot.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser Public License for more details.
+#
+# You should have received a copy of the GNU Lesser Public License
+# along with this program.  If not, see [http://www.gnu.org/licenses/].
+"""This module contains the InlineMenuHandler."""
+
+import re
+from functools import partial
+from telegram import InlineKeyboardButton, InlineKeyboardMarkup
+from telegram.ext import ConversationHandler, CommandHandler, CallbackQueryHandler
+
+
+class InlineMenuHandler(ConversationHandler):
+    """
+    A handler to display a menu with the help of :class:`telegram.InlineKeyboardMarkup` by managing
+    a collection of data for the menus sites. Build on top of
+    :class:`telegram.ext.ConversationHandler`.
+
+    To build a menu, this handler needs a :obj:`dict` named :attr:`menus` containing the different
+    menu steps. For each step, the corresponding dict value is a tuple of
+
+        #. A description of the currently avaiable methods sent as the message text
+        #. An array of tuples containing
+
+           #. The button label
+           #. the state this button leads to
+
+        #. Optionally a callback function used to process the selected input
+
+    All descriptions/labels may be subsituted by callbacks returning strings to adapt the output to
+    the user input.
+
+    The usual arguments ``update`` and ``context`` will be passed all callback functions.
+
+    Note that the ``data`` field of the corresponding :class:`telegram.CallbackQuery` will be of
+    the form ``menu <name> <state> <label>``, where ``<name>`` is the :attr:`name` of this
+    conversation and only present if not ``None``, ``<state>`` is the string representation of the
+    current state and ``<label>`` is the text of the pressed button.
+
+    The top level menu is always the step :attr:`MAIN_MENU`. :attr:`menus` may also contain the
+    keys :attr:`telegram.ext.ConversationHandler.TIMEOUT` and
+    :attr:`telegram.ext.ConversationHandler.WAITING` which will then be used like in
+    :class:`telegram.ext.ConversationHandler`. Finally, also the key
+    :attr:`telegram.ext.ConversationHandler.END` may be present in :attr:`menus`. Use this to
+    display a closing message and/or display a keyboard that can lead to another conversation. In
+    the latter case, leave out info about the next state.
+    If :attr:`telegram.ext.ConversationHandler.END` is not present, the menu message will be
+    deleted.
+
+    To start the menu, you have two options: A simple method is to use :attr:`start_command` to
+    trigger the menu with a command. Another way is to set :attr:`map_to_parent` as for an ordinary
+    :class:`telegram.ext.ConversationHandler`. You can than pass this handler to another
+    :class:`telegram.ext.ConversationHandler` and use :attr:`start_pattern` to seemlessly integrate
+    this menu into a higher level menu.
+
+    Attributes:
+        start_command (:obj:`str`): Optional. A command to start the conversation with.
+        start_pattern (:obj:`str`): Optional. If set, the conversation will be started by a
+            :class:`telegram.CallbackQuery` with this pattern as data.
+        menus (Dict[:obj:`object`, (:obj:`str` | :obj:`callable`, \
+            List[List[(:obj:`str` | :obj:`callable`, :obj:`obj`)]], :obj:`callable`)]):
+            A :obj:`dict` that defines the different states of the menu a user can be in. Each
+            state has a description, an array of buttons to send as
+            :class:`telegram.InlineKeyboardMarkup` and optionally a callback function to process
+            the user input. If you don't need a callback function, just leave out that argument.
+        parse_mode (:obj:`str`): Optional. The :class:`telegram.ParseMode` to use to send the
+            menu descriptions.
+        fallbacks (List[:class:`telegram.ext.Handler`]): A list of handlers that might be used if
+            the user is in a conversation, but every handler for their current state returned
+            ``False`` on :attr:`check_update`. The first handler which :attr:`check_update` method
+            returns ``True`` will be used. If all return ``False``, the update is not handled.
+        conversation_timeout (:obj:`float` | :obj:`datetime.timedelta`): Optional. When this
+            handler is inactive more than this timeout (in seconds), it will be automatically
+            ended. If this value is 0 or None (default), there will be no timeout. The last
+            received update will be handled by ALL the handler's who's `check_update` method
+            returns True that are in the state :attr:`ConversationHandler.TIMEOUT`.
+        name (:obj:`str`): Optional The name for this inline menu handler. Required for
+            persistence
+        persistent (:obj:`bool`): Optional. If the conversations dict for this handler should be
+            saved. Name is required and persistence has to be set in :class:`telegram.ext.Updater`
+        map_to_parent (Dict[:obj:`object`, :obj:`object`]): Optional. A :obj:`dict` that can be
+            used to instruct a nested conversationhandler to transition into a mapped state on
+            its parent conversationhandler in place of a specified nested state.
+
+    Args:
+        start_command (:obj:`str`, optional): A command to start the conversation with..
+        start_pattern (:obj:`str`, optional): If set, the conversation will be started by a
+            :class:`telegram.CallbackQuery` with this pattern as data.
+        menus (Dict[:obj:`object`, (:obj:`str` | :obj:`callable`, \
+            List[List[(:obj:`str` | :obj:`callable`, :obj:`obj`)]], :obj:`callable`)]):
+            A :obj:`dict` that defines the different states of the menu a user can be in. Each
+            state has a description, an array of buttons to send as
+            :class:`telegram.InlineKeyboardMarkup` and optionally a callback function to process
+            the user input.
+        parse_mode (:obj:`str`, optional): The :class:`telegram.ParseMode` to use to send the
+            menu descriptions.
+        fallbacks (List[:class:`telegram.ext.Handler`]): A list of handlers that might be used if
+            the user is in a conversation, but every handler for their current state returned
+            ``False`` on :attr:`check_update`. The first handler which :attr:`check_update` method
+            returns ``True`` will be used. If all return ``False``, the update is not handled.
+        conversation_timeout (:obj:`float` | :obj:`datetime.timedelta`, optional): When this
+            handler is inactive more than this timeout (in seconds), it will be automatically
+            ended. If this value is 0 or None (default), there will be no timeout. The last
+            received update will be handled by ALL the handler's who's `check_update` method
+            returns True that are in the state :attr:`ConversationHandler.TIMEOUT`.
+        name (:obj:`str`, optional): The name for this inline menu handler. Required for
+            persistence
+        persistent (:obj:`bool`, optional): If the conversations dict for this handler should be
+            saved. Name is required and persistence has to be set in :class:`telegram.ext.Updater`
+        map_to_parent (Dict[:obj:`object`, :obj:`object`], optional): A :obj:`dict` that can be
+            used to instruct a nested conversationhandler to transition into a mapped state on
+            its parent conversationhandler in place of a specified nested state.
+    """
+    MAIN_MENU = -4
+    """:obj:`int`: Used as constant to handle state of the top level menu."""
+
+    def __init__(self,
+                 menus,
+                 fallbacks,
+                 start_command=None,
+                 start_pattern=None,
+                 parse_mode=None,
+                 conversation_timeout=None,
+                 name=None,
+                 persistent=False,
+                 map_to_parent=None):
+        self._chat_id = None
+        self._message_id = None
+        self.start_command = start_command
+        self.start_pattern = start_pattern
+        self.parse_mode = parse_mode
+        self.name = name
+
+        # Build entry point
+        start_command_handler = None
+        if self.start_command:
+            if (map_to_parent and self.start_pattern):
+                raise ValueError('If start_command is set, start_pattern and map_to_parent will '
+                                 'will be ignorerd.')
+            start_command_handler = CommandHandler(
+                command=self.start_command,
+                callback=partial(
+                    self._start_callback,
+                    inline_menu_handler=self,
+                )
+            )
+        elif not (map_to_parent and self.start_pattern):
+            raise ValueError('Either start_command or both of map_to_parent and start_pattern '
+                             'must be set.')
+        else:
+            start_command_handler = CallbackQueryHandler(
+                pattern=re.compile('^{}$'.format(self.start_pattern)),
+                callback=partial(
+                    self._start_callback,
+                    inline_menu_handler=self,
+                )
+            )
+        entry_points = [start_command_handler]
+
+        # Build handler for the states
+        states = {}
+        self._callback_query_handlers = {}
+        for state in menus:
+            if not (state is ConversationHandler.TIMEOUT or state is ConversationHandler.WAITING):
+                states[state] = []
+                self._callback_query_handlers[state] = []
+                for row in menus[state][1]:
+                    self._callback_query_handlers[state].append([])
+                    for button in row:
+                        handler = CallbackQueryHandler(
+                            pattern=re.compile('^{}$'.format(self._data(state, button[0]))),
+                            callback=partial(
+                                self._update_callback,
+                                inline_menu_handler=self,
+                                new_state=button[1],
+                                callback=menus[state][2] if len(menus[state]) == 3 else None
+                            )
+                        )
+                        # Add handler to conversation
+                        states[state].append(handler)
+                        # Save handler to update pattern later on
+                        self._callback_query_handlers[state][-1].append(handler)
+
+        # Add TIMEOUT and WAITING handlers to conversation
+        for state in [ConversationHandler.TIMEOUT, ConversationHandler.WAITING]:
+            if state in menus:
+                states[state] = menus[state]
+
+        self.menus = menus
+
+        # Initialize underlying ConversationHandler
+        super(InlineMenuHandler, self).__init__(
+            entry_points=entry_points,
+            fallbacks=fallbacks,
+            conversation_timeout=conversation_timeout,
+            name=name,
+            persistent=persistent,
+            map_to_parent=map_to_parent,
+            states=states
+        )
+
+    # Builds callback data
+    def _data(self, state, label):
+        if self.name:
+            return '{} {} {} {}'.format('menu', self.name, state, label)
+        else:
+            return '{} {} {}'.format('menu', state, label)
+
+    # Builds reply_markup
+    def _reply_markup(self, update, context, state):
+        buttons = []
+        for idx, row in enumerate(self.menus[state][1]):
+            # Skip empty rows
+            if row:
+                buttons.append([])
+                for jdx, button in enumerate(row):
+                    # In the END State no next state is given
+                    label = button[0] if state is not self.END else button
+                    if callable(label):
+                        label = label(update, context)
+                        # Update patterns in CallbackQueryHandlers if label is a callback
+                        self._callback_query_handlers[state][idx][jdx].pattern = re.compile(
+                            '^{}$'.format(self._data(state, label))
+                        )
+                    buttons[-1].append(
+                        InlineKeyboardButton(
+                            text=label,
+                            callback_data=self._data(state, label)
+                        )
+                    )
+
+        # If no Keyboard is set, return None
+        if buttons:
+            return InlineKeyboardMarkup(buttons)
+        else:
+            return None
+
+    @staticmethod
+    def _start_callback(update, context, inline_menu_handler):
+        # Build description
+        if callable(inline_menu_handler.menus[inline_menu_handler.MAIN_MENU][0]):
+            description = inline_menu_handler.menus[inline_menu_handler.MAIN_MENU][0](
+                update, context
+            )
+        else:
+            description = inline_menu_handler.menus[inline_menu_handler.MAIN_MENU][0]
+
+        kwargs = {
+            'text': description,
+            'parse_mode': inline_menu_handler.parse_mode,
+            'reply_markup': inline_menu_handler._reply_markup(update, context,
+                                                              inline_menu_handler.MAIN_MENU)
+        }
+
+        if update.callback_query:
+            inline_menu_handler.message_id = update.callback_query.message.message_id
+            inline_menu_handler.chat_id = update.callback_query.message.chat_id
+            context.bot.edit_message_text(
+                chat_id=inline_menu_handler.chat_id,
+                message_id=inline_menu_handler.message_id,
+                **kwargs
+            )
+        else:
+            inline_menu_handler.chat_id = update.message.chat_id
+            message = context.bot.send_message(
+                chat_id=inline_menu_handler.chat_id,
+                **kwargs
+            )
+            inline_menu_handler.message_id = message.message_id
+
+        return inline_menu_handler.MAIN_MENU
+
+    @staticmethod
+    def _update_callback(update, context,
+                         inline_menu_handler=None, new_state=None, callback=None):
+        if (new_state == inline_menu_handler.END
+                and not inline_menu_handler.menus.get(inline_menu_handler.END)):
+            context.bot.delete_message(
+                chat_id=inline_menu_handler.chat_id,
+                message_id=inline_menu_handler.message_id,
+            )
+        else:
+            if callable(inline_menu_handler.menus[new_state][0]):
+                description = inline_menu_handler.menus[new_state][0](update, context)
+            else:
+                description = inline_menu_handler.menus[new_state][0]
+            context.bot.edit_message_text(
+                chat_id=inline_menu_handler.chat_id,
+                message_id=inline_menu_handler.message_id,
+                text=description,
+                parse_mode=inline_menu_handler.parse_mode,
+                reply_markup=inline_menu_handler._reply_markup(update, context, new_state)
+            )
+        if callback:
+            callback(update, context)
+        return new_state
+
+    @property
+    def chat_id(self):
+        """:obj:`int`: The id of the chat this menu is displayed in."""
+        return self._chat_id
+
+    @chat_id.setter
+    def chat_id(self, value):
+        self._chat_id = int(value)
+
+    @property
+    def message_id(self):
+        """:obj:`int`: The id of the message this menu is displayed as."""
+        return self._message_id
+
+    @message_id.setter
+    def message_id(self, value):
+        self._message_id = int(value)