IRC bot - full featured, yet extensible and customizable
Project description
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pmxbot
pmxbot is an IRC bot written in python. Originally built for internal use, it’s been sanitized and set free upon the world. You can find out more details on the website, http://bitbucket.org/yougov/pmxbot, and especially the wiki https://bitbucket.org/yougov/pmxbot/wiki/Home
Commands
pmxbot listens to commands prefixed by a ‘!’ If it’s a command it knows it will reply, take an action, etc. It can search the web, quote you, track karma, make decisions, and do just about anything else you could want. It logs text in a sqlite3 database, and eventually we’ll write a web interface to it.
Contains
pmxbot will respond to things you say if it detects words and phrases it’s been told to recognize. For example, mention sql on rails.
Requirements
pmxbot requires python, of course. Probably 2.5+. It also requires a few python packages:
python-irclib
pyyaml
json (standard library for 2.6+) or simplejson
feedparser
httplib2
sqlite3
The web interface requires cherrypy and jinja2.
Optionally nosetests for the test suite.
Testing
We have a basic nose test suite that does some functional tests with an included TCL IRC daemon, and some basic unit tests as well. Just run them from the pmxbot root directory with “nosetests” and it should do it all for you. You’ll need TCL and nosetests to do it though.
Configuration
Configuration is based on very easy YAML files. Check out config.yaml in the source tree for an example.
Usage
Once you’ve setup a config file, you just need to call pmxbot config.yaml and it will join and connect. We recommend running pmxbot under djb’s daemontools to make it automatically restart if it crashes.
Custom Features
Setuptools Entry Points Plugin
To create a setuptools (or distribute or compatible packaging tool) entry point plugin, package your modules using the setuptools tradition and install it alongside pmxbot. Your package should define an entry point in the group pmxbot_handlers by including something similar to the following in the package’s setup.py:
entry_points = {
'pmxbot_handlers': [
'plugin_name = mylib.mymodule:initialize_func',
],
},
During startup (and after loading the traditional script-based plugins), pmxbot will load mylib.mymodule and call initialize_func from that module (with no parameters). plugin_name can be anything, but should be a name suitable to identify the plugin. It is not necessary that initialize_func do anything at all, but it must be present, and will be called during startup.
Within the script you’ll want to import the decorates you need to use with: from pmxbot.botbase import command, contains, execdelay, execat. You’ll then decorate each function with the appropriate line so pmxbot registers it.
A command (!g) gets the @command decorator:
@command("tinytear", aliases=('tt', 'tear', 'cry'), doc="I cry a tiny tear for you.")
def tinytear(client, event, channel, nick, rest):
if rest:
return "/me sheds a single tear for %s" % rest
else:
return "/me sits and cries as a single tear slowly trickles down its cheek"
A response (when someone says something) uses the @contains decorator:
@contains("sqlonrails")
def yay_sor(client, event, channel, nick, rest):
karmaChange(botbase.logger.db, 'sql on rails', 1)
return "Only 76,417 lines..."
For an example of how to implement a setuptools-based plugin, see the wolframalpha plugin.
Web Interface
pmxbot includes a web server for allowing users to view the logs, read the help, and check karma. You specify the host, port, base path, logo, title, etc with the same YAML config file. Just run like pmxbotweb config.yaml and it will start up. I suggest using a tool like supervisor, daemontools, cherryd or somesuch to keep it running.
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