You’ve got your smart home fully set up. You regularly like to show off with your friends how cool it is to turn on light bulbs, play videos and movies with a hint to your voice assistant, make coffee and adjust the thermostat with a tap on an app. Congratulations! But if you’re an automation enthusiast who rarely settles, you’re probably grown frustrated with the number of apps you’ll have to download and the number of interfaces you’ll have to master in order to control your gadgets. You’ll probably have an app for the lights, one for your media center, one for your smart shades, one for your thermostat, and a Google Home app that zealously (and hopelessly) tries to put all of them in the same place. Probably most of these apps won’t communicate with the others, and probably many of them won’t work if you aren’t on the same network as your gadget. Wouldn’t it be cool if we could control everything from the same interface, without cluttering our phones or computers with tons of apps, through an interface that is accessible both from mobile and desktop devices as well as through external scripts/integrations, whether you are on your home network or outdoor? An interface that was both lightweight and straightforward to use? But wait, hasn’t such an interface been around for a while, under the name of messaging or chat? After all, wouldn’t it be cool to control our house, gadgets and cloud services through the same interface that we use to send cat pictures to our friends, and through a bot completely tailored to our needs, without all the boilerplate/frustration that usually comes with 3rd-party bots? Enter the world of chatbots-powered smart homes. In this story, I’ll show you how to easily set up commands and routines on top of existing smart home installations. The two main tools used in this tutorial are: : many messaging apps and platforms exist out there, but so far the efforts of many of them (Facebook Messenger, Whatsapp, Hangouts etc.) in providing a usable developers API have been disappointing, to say the least. Gone are the golden days where everyone used XMPP or IRC as their messaging backbone and it was easy to integrate with services that all spoke the same language: today’s messaging apps world is extremely fragmented. Telegram Moreover, as it’s in the interest of many of the big players to create walled gardens that don’t communicate with the rest of the world, the most used solutions out there don’t come with officially supported APIs/developer interfaces. Not only: some of the big players out there actively discourage users from using anything either than the official app to interact with the platform ( ). evil Whatsapp, I’m looking at you In this extremely fragmented world made of several unconnected islands, Telegram represents a welcome exception: their is well documented and supported, and it’s very easy for anyone who knows a bit of programming to build integrations. official bot API : those who have been following me for a while will probably have heard of my platform for automation geeks (for those who don’t, you can wrap up by reading my , the or the ). Among the others, platypush also comes with a Telegram and . platypush introductory article to platypush wiki integrations documentation plugin backend So let’s get started and make your first home automation bot! Creating the Telegram bot It’s quite easy to create a new bot on Telegram: Open a conversation with the . BotFather Type /start followed by to create a new bot. Give your bot a display name and a username. /newbot You’ll be provided with a link to start a conversation with your bot and unique API key. Store it somewhere as we’ll use it soon to configure the platypush plugin. Configuring your bot in platypush 1. Install platypush with the main extensions plus the Telegram integration: pip install 'platypush[http,db,telegram]'
apt-get install redis-server
[sudo] systemctl start redis
[sudo] systemctl enable redis 2. Play a bit with it . Find a few things that you’d like to manage/automate — lights, music, media, sensors, database, robots, smart plugs… — and install/configure the associated extensions. if you haven’t done so yet In this article, we’ll see how to configure our newly created bot to control Philips Hue lights, music playback and PiCamera streaming. 3. Add the Telegram configuration to your file: ~/.config/platypush/config.yaml chat.telegram: api_token: <your bot token> backend.chat.telegram: enabled: true The enables you to receive events (like new messages, attachments, requests etc.) and create custom hooks on them. The enables you to write you to chats, programmatically send messages and attachments, administer channels etc. backend plugin Let’s say that we want the bot to implement the following commands: : Welcome the new user. /start : Show the available commands. /help : Turn on the lights. /lights_on : Turn off the lights. /lights_off : Play a music resource/URL. /music_play : Toggle the playback pause state. /music_pause : Play the next song. /music_next : Play the previous song. /music_prev : Start remote streaming on the PiCamera. /start_streaming : Stop remote streaming on the PiCamera. /stop_streaming All we have to do is to create event hooks in the platypush config.yaml. In this context you’ll need to: Install and configure the , and plugins: Philips Hue mopidy PiCamera pip install 'platypush[hue,mpd,picamera]' # Hue lights configuration light.hue: # Hue bridge IP address bridge: 192.168 .1 .10 # Default groups to control groups: - Living Room # MPD/Mopidy configuration music.mpd: host: localhost port: 6600 # PiCamera configuration camera.pi: vflip: False hflip: False To keep your cleaner, create a new file named : config.yaml ~/.config/platypush/include/bot.yaml # /start command handler event.hook.OnTelegramStartCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: start then: - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Welcome! Type /help to see the available commands" # /help command handler event.hook.OnTelegramHelpCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: help then: - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Available commands:\n

                  - /lights_on\n
                  - /lights_off\n
                  - /music_play [resource]\n
                  - /music_pause\n
                  - /music_prev\n
                  - /music_next\n
                  - /start_streaming\n
                  - /stop_streaming\n
                    " # /lights_on command handler event.hook.OnTelegramLightsOnCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: lights_on then: - action: light.hue.on - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Lights turned on" # /lights_off command handler event.hook.OnTelegramLightsOffCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: lights_off then: - action: light.hue.off - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Lights turned off" # /music_play command handler event.hook.OnTelegramMusicPlayCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: music_play then: - if ${cmdargs}: - action: music.mpd.play args: resource: cmdargs[0] - else: - action: music.mpd.play - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Music playing" # /music_pause command handler event.hook.OnTelegramMusicPauseCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: music_pause then: - action: music.mpd.pause - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Music paused" # /music_prev command handler event.hook.OnTelegramMusicPrevCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: music_prev then: - action: music.mpd.previous - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Playing previous track" # /music_next command handler event.hook.OnTelegramMusicNextCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: music_next then: - action: music.mpd.next - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "Playing next track" # /start_streaming command handler event.hook.OnTelegramCameraStartStreamingCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: start_streaming then: - action: camera.pi.start_streaming args: listen_port: 2222 - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "PiCamera streaming started. Check it out with vlc tcp/h264://hostname:2222" # /stop_streaming command handler event.hook.OnTelegramCameraStopStreamingCmd: if: type: platypush.message.event.chat.telegram.CommandMessageEvent command: stop_streaming then: - action: camera.pi.stop_streaming - action: chat.telegram.send_message args: chat_id: ${chat_id} text: "PiCamera streaming stopped" Include your bot configuration in : config.yaml include: - include/bot.yaml Start platypush: # Manual start platypush # Service start systemctl start platypush.service Open a conversation with your bot on Telegram through the link provided by the BotFather and start playing with it: Right now the bot is accessible by anyone — you probably don’t want that. You can configure the Telegram backend so it only accepts messages from a specific list of chat IDs (in Telegram the is used both for private users and groups). chat_id Send a message to the bot and open the platypush logs or check its standard output. You should see some messages like this: : : , | INFO|platypush|Received event: { : , : , : , : , : { : , : your_chat_id, : { : , ...}, : { : your_user_id, : , : , : , : , : , : }, : , : []}} 2020 -01 -03 19 09 32 701 "type" "event" "target" "turing" "origin" "turing" "id" "***" "args" "type" "platypush.message.event.chat.telegram.CommandMessageEvent" "chat_id" "message" "text" "/help" "user" "user_id" "username" "****" "is_bot" false "link" "https://t.me/you" "language_code" "en" "first_name" "***" "last_name" "***" "command" "help" "cmdargs" Copy the associated to your user in the backend configuration: chat_id backend.chat.telegram: authorized_chat_ids: - your_user_id The bot will now reply with an error if you try to send a message from an unauthorized user. You can also invite your bot to group chats and let your friends flicker the lights in your house if you wish so! What next? We have only explored one specific feature of the Telegram integration in this article: the ability of the bot to react to events, run actions and reply with text messages. As you can see from the you can do more, such as: CommandMessageEvent list of supported Telegram events Create hooks when someone shares contact info — ever thought of letting a bot automatically store the new contacts sent to you by your friends by chat? Create hooks when you share a photo, video or image file — for example automatically download all media files sent to a chat to your hard drive or a remote Dropbox folder. Run actions on text messages instead of commands — you can use the , for example, if you prefer to type “turn on the lights” instead of “/lights_on”. TextMessageEvent Take a picture from the camera and send it to yourself through the action.You can also deploy multiple bots, e.g. for per device, so you can run actions on a specific device from the associated chat, or instead use a single bot as entry point and deliver messages to other devices over , or . send_photo MQTT Kafka HTTP API As long as there’s a plugin for it, you can now do it through your chat bot.

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How You Can Control Your Smart Home Through a Telegram Bot

How You Can Control Your Smart Home Through a Telegram Bot

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