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A suite of tools for purpling things

Project description

What and Why

Purpler is the beginning of a suite of tools that manage content to apply purple numbers, starting with a logging IRC bot that enables transclusion. See a blog posting for more details.

There are further plans. IRC logging is just the first part.

Use

Purpler consists of two services:

  • A WSGI application that presents logs of content: purpler.wsgi.

  • An IRC bot script that listens on configured channels: purpler-bot.

The WSGI application requires a database url to run. Provide this by create a file purpler.db_url in the working directory of the WSGI application containing something like:

mysql+pymysql://localhost/purpler?charset=utf8mb4

The IRC bot takes a complex set of configuration on the command line (run purpler-bot --help). To avoid this complexity it is possible to read configuration from a file. Here’s one way to start it:

nohup purpler-bot @purplerbot.conf --db-url=`cat purpler.db_url` &

purplerbot.conf contains entries like:

--no-log=#someprivatechannel
-c #openstack-nova
-c #openstack-sdks
-c #openstack-telemetry
-c #openstack-dev
-c #someprivatechannel

Install

Install purpler in the usual pip way:

pip install -U purpler

Also install a database driver that will work with sqlalchemy.

Web App

Configure a WSGI server to run the wsgi application. Here’s an example using mod_wsgi (you should modify this for your own requirements with regard to logging, auth, etc.):

<VirtualHost *:80>
ServerName p.anticdent.org
AllowEncodedSlashes On

WSGIDaemonProcess purpler user=cdent processes=2 threads=20 stack-size=524288 display-name=%{GROUP} maximum-requests=500
WSGIProcessGroup purpler

WSGIScriptAlias / /some/path/to/purpler/wsgi.py
</VirtualHost>

The templates used for presenting the logs exist within the purpler package. If you want custom templates set the PURPLER_TEMPLATE_PATH environment variable to a path to find overrides. CSS is inlined from a style.css template.

The Bot

See above for an example of how to start up purpler-bot. That’s just one of many ways. Other options include systemd service, supervisord or an initscript.

Code

On GitHub.

Caveats

This could charitably be described as a weekend hack so there has been limited testing of the code with proper testing.

License

Apache License, Version 2.0

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