Twitter / IRC gateway in perl
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NAME App::Twirc::Manual - User guide and reference for Twirc DESCRIPTION "Twirc" is a twitter client. More precisely, it is an IRC/Twitter gateway that makes your favorite IRC client a twitter client. FEATURES Follow friends timelines Receive replies from friends and non-friends Post status updates Send and receive direct messages Follow, un-follow, block, unblock, and use most other twitter commands INSTALLATION You can install "twirc" just as you would any other CPAN distribution: cpan POE::Component::Server::Twirc Or, you can download and unpack "twirc", then run it from a directory of your choice without running "make install". That's the way the author runs it. If you choose this option, run "make" to install "twirc"'s dependencies. CONFIGURATION "Twirc" uses Config::Any, so you can configure "twirc" using XML, YAML, JSON, Apache-style configuration, Windows INI file format, or even Perl code. Here's a minimal configuration in YAML: irc_nickname: MyIRCNick twitter_username: email@example.com twitter_password: secret twitter_screen_name: MyTwitterScreenName REQUIRED CONFIGURATION OPTIONS irc_nickname The irc nickname used by the owning user. This is the nickname *you* will use when you connect to the "twirc" IRC server. twitter_username The username (email address) used to authenticate with Twitter. This is the ID "twirc" will use to authenticate with Twitter. twitter_password The password used to authenticate with Twitter. This is the password "twirc" will use to authenticate with twitter. twitter_screen_name The user's Twitter screen name. This is *your* screen name on Twitter. It may very well be the same as your "irc_nickname", but it certainly doesn't have to be. OPTIONAL CONFIGURATION OPTIONS irc_server_name The name of the IRC server. Defaults to "twitter.irc". Every IRC server has a name. The IRC server included with "twirc" isn't intended to be accessed publicly. It is for your own personal use. So, the name is not significant. irc_server_port The port number the IRC server binds to. Defaults to 6667. irc_server_bindaddr The local address to bind to. Defaults to all interfaces. You probably want to set this option to 127.0.0.1. That will prevent others from attempting to connect to your "twirc" IRC server. irc_mask The IRC user/host mask used to restrict connecting users. Defaults to "*@127.0.0.1". If you run "twirc" on a different system than your IRC client, you will need to provide this configuration option with a suitable mask. irc_password Password used to authenticate to the IRC server. If you don't provide this option, no password will be required. It adds a bit of security. You may want to set this option if other users have access to your system. irc_botname The name of the channel operator bot. Defaults to "tweeter". Select a name that does not conflict with friends, followers, or your own IRC nick. When running "twirc", you interact with a bot in the channel. The bot carries out commands on your behalf and provides feedback, particularly when there are errors. irc_botircname Text to be used as the channel operator bot's IRC full name. Defaults to "Your Friendly Twitter Agent". This is the name that will appear in response to an IRC "/whois" command. irc_channel The name of the channel where your twitter friends' timelines appear. This is the channel where most of your interaction with "twirc" occurs. It defaults to &twitter. The IRC convention for channels names is channels local to a single server begin with "&". Network channels begin with "#". You can use either to name, however "&" is more appropriate. twitter_retry The number of seconds between polls for new status updates, replies, and direct messages. Defaults to 300 (5 minutes). Twitter imposes a rate limit of 100 API calls per hour. By default, after initial start up, twirc makes a single API call every "twitter_retry" seconds. Adding "check_replies" and "check_direct_messages" each add an additional API call. Setting "twitter_retry" too low can cause twirc to exceed the rate limit and delay receipt of messages. Use the "rate_limit_status" command to check your available API calls. twitter_retry_on_error The number of seconds to wait before retrying a failed twitter API call in the polling loop. Defaults to 60 (1 minute). twitter_alias An alias to use for displaying incoming status updates from the owning user. This is necessary if the user's IRC nickname and Twitter screen name are the same. Defaults to "me". With the default value "me", when "twirc" reads a status message in your timeline from your Twitter screen name, it will use "me" in place of your Twitter screen name in the channel. echo_posts If false, posts sent by "twirc" will not be redisplayed when polling the timeline. Defaults to 0 (false). This option in off, be default, to prevent some unnecessary noise in the channel. When you post a new status message with "twirc", you will see your post command, including your status message in the channel. Tweeter, the bot, will send your status update to twitter, and then set the channel topic to your message. If your IRC client displays notices, you will see your message a second time in status change. If this option is set to true, you will see it a third time, when "twirc" next polls Twitter for new status messages. So, why would you ever want "echo_posts" on? "Twirc" polls Twitter for new messages every 5 minutes, by default. So, there may be messages waiting and other messages received after your status update, but before "twirc" checks for new messages again. With "echo_posts" on, you will see your message again, in chronological order with the rest of the incoming messages. favorites_count How many favorites candidates to display for selection. Defaults to 3. When you use the "favorite" command, a list of recent status from the friend your a favoriting are displayed for you to choose from. This option tell "twirc" how many of those messages to display. truncate_to When displaying a list tweets for selection, for example, in response to the "favorite" command, they will be truncated to this length to avoid cluttering the screen with long messages that wrap. Defaults to 60. check_replies Defaults to 0 (off). If set to 1 (on), checks for @replies when polling for friends' timeline updates and merges them with normal status updates. Normally, only replies from friends you are following are displayed, just like your home page on Twitter. This provides the display of @replies from users not followed. "check_replies" adds an API call, counted against Twitter's rate limit every "twitter_retry" seconds. (This also has the effect of adding senders of @replies to the channel, even though they are not followed.) check_direct_messages If true, checks for direct messages in each timeline polling cycle. "check_direct_messages" adds an API call, counted against Twitter's rate limit every "twitter_retry" seconds. log_channel If specified, twirc will post log messages to this channel. If you set this option to &log, then you can join the &log channel and see the copious debug messages that "twirc" generates. This may be useful for trouble shooting or problem reporting. state_file File used to store state information between sessions, including last message read for replies, direct messages, and timelines. By default, "twirc" does not save any state information between runs. When you start "twirc" it grabs the most recent 20 messages in the timeline and displays them, even if they are the same 20 messages it displayed last time your ran "twirc". If you use "check_direct_messages" you will definitely want to use a state file so that you do not receive the same batch of direct messages every time you start "twirc". If you do provide a "state_file" name, "twirc" will save the last message ID it processed of each type (friends_timeline, user_timeline, replies, and direct messages). It won't redisplay messages it as already displayed on a previous run. "Twirc" will still only show the most recent 20 messages on restart, though. The "state_file" option just prevents redisplaying messages already seen. verbose_refresh Default 0 (off). If set, when a refresh (whether automatic or the result of the "refresh" command) finds no new messages, a notice to that effect will be written to the channel. USING To use "twirc" you first need to start the server: bin/twirc -c twirc.yml -b The "-b" option runs "twirc" in the background. Drop the "-b" to see copious log messages to STDERR. Next, connect to the server from your IRC client. I use "irssi" (<http://www.irssi.org>) and my examples will use "irssi" commands: /connect localhost 6667 secret where "secret" is the password set in the config file with option "irc_password". Your IRC client may use different commands. On connection, "twirc" will automatically join you to the configured channel. The default &twitter will be assumed, here. Your friends will be automatically joined to the channel. Friends who are also followers are given voice as a visual clue. In "irssi" they appear with plus sign (+) in front of their names. To post a new status update, use the "post" command: post My first tweet from twirc! In general, you enter a command followed by its arguments, if any, as a public message in the channel. There's a handy exception to that rule for sending replies. An entry that begins with a nick name, followed by a colon is treated as a reply. E.g.: twirc: you make twitter usable! Is a shortcut for: post @twirc you make twitter usable! By default, "twirc" checks for updates every 5 minutes. You can have it check immediately using the "refresh" command: refresh "Twirc" will check for messages immediately, then again every 5 minutes. Use IRC private messaging to send direct messages. In "irssi": /msg friend Watch out, I'm right behind you! The "twirc" server stops when you disconnect. This isn't normal IRC behavior, but "twirc" isn't a normal IRC server. Its only purpose is to interface with Twitter on your behalf and server no useful purpose when you're not connected. COMMAND REFERENCE post status Post a status update. E.g., post Now cooking tweets with twirc! follow twitter_screen_name Follow a new Twitter user. This creates a friend relationship and adds the friend to the channel. unfollow twitter_screen_name Stop following a Twitter friend. This destroys the friend relationship and removes the friend from the channel. block twitter_screen_name Blocks the Twitter user from receiving your Twitter feed. unblock twitter_screen_name Stop blocking a Twitter user. whois twitter_user Displays information about Twitter user. "twitter_user" can be either a screen name or email address. notify on|off twitter_screen_name... Turns device notifications on or off for the list of one or more Twitter friends. The list is space separated. favorite friend [ count ] Mark a friend's tweet as a favorite. Optionally, specify the number of tweets to display for selection with "count". ("count" defaults to 3. The default can be changed with the "favorites_count" option.) check_replies on|off Turns reply checking on or off. See "check_replies" in configuration. check_direct_messages on|off Turns direct message checking on or off. See "check_direct_messages" in configuration. rate_limit_status Displays information about the remaining number of API requests available in the current hour. The "rate_limit_status" command does not count against the limit, itself. help Display a simple help message listing the available command names. verbose_refresh on|off Turns "verbose_refresh" on or off. See "verbose_refresh" in configuration. TIPS AND TRICKS Ignoring If you're following a particularly noisy friend, you can of course "unfollow" her. Alternatively, you can use your IRC client's features to ignore the user. In "irssi": /ignore LoudMouth ALL /ignore -except -pattern @YourName LoudMouth ALL Now, you won't hear from LoudMouth unless she @replies you, and she won't know you're ignoring her (unless she reads this tip!). Multiple accounts Although "twirc" doesn't currently support multiple accounts, there's nothing stopping you from running multiple instances of "twirc", one for each account. Here's how I do it for accounts "semifor" (my personal account) and "twirc" ("twirc"'s feed for update notices, etc.). First, the pertinent sections of the configuration files (in YAML format). # File: semifor.yml irc_server_port: 6667 irc_channel: '&twitter' irc_nickname: semifor twitter_screen_name: semifor state_file: semifor.state # ... # File: twirc.yml irc_server_port: 6668 irc_channel: '&twirc' irc_nickname: twirc twitter_screen_name: twirc state_file: twirc.state # ... Next, start an instance for each account: bin/twirc -c semifor.yml -b bin/twirc -c twirc.yml -b In your IRC client, connect to both instances ("irssi" here): /connect localhost 6667 secret_password semifor /connect localhost 6668 secret_password twirc Now you've got 2 channels, one for each account---in my case, &twitter for "semifor" and &twirc for "twirc". SUPPORT "Twirc" is free open source software with no warranty of any kind. That said, it's used by some competent perl coders who may be able to help if you have trouble. Try the #twirc channel at "irc.perl.org". The code repository with the development branch is located at <http://github.com/semifor/twirc>. New features, and bug fixes appear there before they hit CPAN, so check the commit log there to see if a problem you've found has been addressed. And feel free to use the development branch. AUTHOR Marc Mims <firstname.lastname@example.org> I'm "semifor" on twitter and IRC.