An Eggdrop Tcl script that acts as a Twitter client/bridge on IRC. Also includes an OAuth library for authenticating with Twitter, and a Twitter client library.
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twitter.tcl

README.md

twitter-tcl

This project provides an Eggdrop bot script to show tweets in IRC channels. You can also do things like tweet from IRC.

The repository contains libraries that are useful independently as well.

The scripts/libraries in this repository are:

  • twitoauth.tcl - A library to integrate with Twitter's OAuth.
  • twitlib.tcl - A Twitter API client library.
  • twitter.tcl - An Eggdrop IRC bot client/gateway script. You can use this to output Twitter home/mentions timeline statuses to IRC channels. You can also do things like tweet from IRC and follow/unfollow users.

Requirements

  • Eggdrop
  • tcllib
  • Tcl (8.5+)

Setup

  • Load twitoauth.tcl, twitlib.tcl, and twitter.tcl on to your bot. You should ensure they load in this order as the first two are libraries that the last depends on. Like other Eggdrop scripts, you can place them in a scripts subdirectory, and source them as usual in your configuration file.
  • Review the variables at the top of twitlib.tcl and twitter.tcl. You can change the options there if you like. The defaults are probably okay.
  • Register for a consumer key/secret at apps.twitter.com by creating an application. This is used for authentication with Twitter.
  • Make sure your Twitter application is set to have Read and Write permission. If it isn't then you will not be able to do things like follow people or tweet. There is a 3rd permission level where you can access direct messages, so if you want to be able to do that, you should enable that too. The permission settings are under the application's Permissions tab (at the time of writing).
  • Find your Twitter consumer key (API key) and consumer secret (API secret) for the application you registered. At the time of writing, this is under the Keys and Access Tokens tab for your application.
  • .chanset #channel +twitter to provide access to !commands in #channel. These channels also receive status update output. You issue this command in the Eggdrop's partyline which you can reach either through telnet or DCC chat. How you get on to the partyline depends on your configuration.
  • Say !twit_request_token in a channel you set +twitter. You will be given instructions on what to do after (calling !twit_access_token, etc). The bot should respond to you in the channel. If it does not, confirm the channel is +twitter and that it recognizes you as a +o user.

Options

There are more options than these. Refer to the header section of the scripts to see what else is available.

  • The script stores state (authentication keys, seen tweets, etc) in the file defined by the $state_file variable. This file is relative to the Eggdrop root directory. You can set it to any path.
  • The default time between tweet fetches is 10 minutes. You can alter the "bind time" option below to change to a different setting. Note you may not be able to use the 1 minute option if you are polling both the home and the mentions timeline as this can exceed Twitter's API limits.

IRC channel commands

  • !twit / !tweet - Send a tweet
  • !twit_msg - Send a private message
  • !twit_trends - Look up trending hashtags
  • !follow - Follow an account
  • !unfollow - Unfollow an account
  • !twit_updates - Retrieve the most recent status updates
  • !twit_msgs - Retrieve direct messages
  • !twit_search - Search tweets
  • !twit_searchusers - Search users
  • !twit_get_tweet - Retrieve a particular tweet (by ID)
  • !followers - Show followers of a specified account (limited by the option followers_limit)
  • !following - Show who the specified account is following (limited by the option followers_limit)
  • !retweet - Retweet
  • !update_interval - Change the time between status fetches
  • !twitstatus - Show bot's Twitter status. Currently this shows its screen name.
  • !twit_request_token <consumer_key> <consumer_secret>
    • Initiate authentication. This is step one of the authentication process.
  • !twit_access_token <oauth_token> <oauth_token_secret> <PIN from authentication url of !twit_request_token>
    • Complete authentication. This is step two of the authentication process.

FAQ

  • How do I control what channels the bot shows tweets in?
    • You can set multiple channels that the bot outputs and accepts commands on by setting each channel .chanset #channel +twitter.
    • If you want to show tweets from particular accounts you show in particular channels, you can create a twitter.conf to map screen names to channels. There is an example in twitter.conf.sample.
  • Why isn't the bot responding to !commands?
    • First make sure the channel is set +twitter.
    • If it is, then you may not be recognized as +o by the bot. Many commands require that the bot recognizes you as +o. This is not the same as having operator status in the channel having operator status in the channel. It means you must be recognized as a user with +o permission by the bot in its user records.
  • Why do I see the error Update retrieval (mentions) failed: OAuth not initialised. in the bot's partyline?
    • This means you need to complete the OAuth authentication. To do this, see the setup points above. TL;DR: Issue !twit_request_token in a channel set +twitter. The bot should answer you.
  • Why do no status updates show?
    • Ensure that poll_home_timeline at the top of twitter.tcl is set to 1. This is the default.
  • How do I change the Twitter account used by the bot?
    • Call !twit_request_token again. This restarts the authentication process. Make sure you are logged into Twitter on the account you want and visit the authentication URL (or login to the account you want at this URL) and do !twit_access_token as when you initially set up the bot.
  • Why do I see errors like "Read-only application cannot POST" when trying to tweet or follow?
    • This means Twitter thinks your bot's credentials do not have write permission. Ensure that the application you set up for the bot is set to have read and write permissions. Also ensure that the key and secret you use in !twit_request_token match after checking/updating the write permission. You should start over from !twit_request_token.