new inlinekeyboard example (#355)

examples/inlinekeyboard.py

@@ -1,108 +1,49 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Basic example for a bot that awaits an answer from the user. It's built upon
-# the state_machine_bot.py example
+# Basic example for a bot that uses inline keyboards.
 # This program is dedicated to the public domain under the CC0 license.
 
 import logging
-from telegram import Emoji, ForceReply, InlineKeyboardButton, \
-    InlineKeyboardMarkup
-from telegram.ext import Updater, CommandHandler, MessageHandler, \
-    CallbackQueryHandler, Filters
+from telegram import InlineKeyboardButton, InlineKeyboardMarkup
+from telegram.ext import Updater, CommandHandler, CallbackQueryHandler
 
 logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
-                    level=logging.DEBUG)
-
-# Define the different states a chat can be in
-MENU, AWAIT_CONFIRMATION, AWAIT_INPUT = range(3)
-
-# Python 2 and 3 unicode differences
-try:
-    YES, NO = (Emoji.THUMBS_UP_SIGN.decode('utf-8'), Emoji.THUMBS_DOWN_SIGN.decode('utf-8'))
-except AttributeError:
-    YES, NO = (Emoji.THUMBS_UP_SIGN, Emoji.THUMBS_DOWN_SIGN)
-
-# States are saved in a dict that maps chat_id -> state
-state = dict()
-# Sometimes you need to save data temporarily
-context = dict()
-# This dict is used to store the settings value for the chat.
-# Usually, you'd use persistence for this (e.g. sqlite).
-values = dict()
+                    level=logging.INFO)
 
 
-# Example handler. Will be called on the /set command and on regular messages
-def set_value(bot, update):
-    chat_id = update.message.chat_id
-    user_id = update.message.from_user.id
-    user_state = state.get(chat_id, MENU)
+def start(bot, update):
+    keyboard = [[InlineKeyboardButton("Option 1", callback_data='1'),
+                 InlineKeyboardButton("Option 2", callback_data='2')],
 
-    if user_state == MENU:
-        state[user_id] = AWAIT_INPUT  # set the state
-        bot.sendMessage(chat_id,
-                        text="Please enter your settings value",
-                        reply_markup=ForceReply())
+                [InlineKeyboardButton("Option 3", callback_data='3')]]
+
+    reply_markup = InlineKeyboardMarkup(keyboard)
+
+    bot.sendMessage(update.message.chat_id, text="Please choose:", reply_markup=reply_markup)
 
 
-def entered_value(bot, update):
-    chat_id = update.message.chat_id
-    user_id = update.message.from_user.id
-    chat_state = state.get(user_id, MENU)
-
-    # Check if we are waiting for input
-    if chat_state == AWAIT_INPUT:
-        state[user_id] = AWAIT_CONFIRMATION
-
-        # Save the user id and the answer to context
-        context[user_id] = update.message.text
-        reply_markup = InlineKeyboardMarkup([[InlineKeyboardButton(YES, callback_data=YES),
-                                              InlineKeyboardButton(NO, callback_data=NO)]])
-        bot.sendMessage(chat_id, text="Are you sure?", reply_markup=reply_markup)
-
-
-def confirm_value(bot, update):
+def button(bot, update):
     query = update.callback_query
-    chat_id = query.message.chat_id
-    user_id = query.from_user.id
-    text = query.data
-    user_state = state.get(user_id, MENU)
-    user_context = context.get(user_id, None)
 
-    # Check if we are waiting for confirmation and the right user answered
-    if user_state == AWAIT_CONFIRMATION:
-        del state[user_id]
-        del context[user_id]
-        bot.answerCallbackQuery(query.id, text="Ok!")
-        if text == YES:
-            values[user_id] = user_context
-            bot.editMessageText(text="Changed value to %s." % values[user_id],
-                                chat_id=chat_id,
-                                message_id=query.message.message_id)
-        else:
-            bot.editMessageText(text="Alright, value is still %s." %
-                                values.get(user_id, 'not set'),
-                                chat_id=chat_id,
-                                message_id=query.message.message_id)
+    bot.editMessageText(text="Selected option: %s" % query.data,
+                        chat_id=query.message.chat_id,
+                        message_id=query.message.message_id)
 
 
 def help(bot, update):
-    bot.sendMessage(update.message.chat_id, text="Use /set to test this bot.")
+    bot.sendMessage(update.message.chat_id, text="Use /start to test this bot.")
 
 
 def error(bot, update, error):
     logging.warning('Update "%s" caused error "%s"' % (update, error))
 
+
 # Create the Updater and pass it your bot's token.
 updater = Updater("TOKEN")
 
-# The command
-updater.dispatcher.add_handler(CommandHandler('set', set_value))
-# The answer
-updater.dispatcher.add_handler(MessageHandler([Filters.text], entered_value))
-# The confirmation
-updater.dispatcher.add_handler(CallbackQueryHandler(confirm_value))
-updater.dispatcher.add_handler(CommandHandler('start', help))
+updater.dispatcher.add_handler(CommandHandler('start', start))
+updater.dispatcher.add_handler(CallbackQueryHandler(button))
 updater.dispatcher.add_handler(CommandHandler('help', help))
 updater.dispatcher.add_error_handler(error)