excess.org

Ian Ward

Consulting
Boxkite Inc.
Software
CKAN contributor/tech lead
PyRF primary contributor
Urwid author
Speedometer author

Presentations
Contributing to Open Source
IASA E-Summit, 2014-05-16
Urwid Applications
2012-11-14
Urwid Intro
2012-01-22
Unfortunate Python
2011-12-19
Django 1.1
2009-05-16

Writing
Moving to Python 3
2011-02-17
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first name at this domain

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Articles Tagged “OPAG” rss icon

Posted on 2014-04-04, last modified 2014-04-09.

What does bar.foo do? - An exploration of Python assignment, objects, attributes and descriptors

This is a talk I gave March 27, 2014 at the Ottawa Python Authors Group meetup.

Follow along with the IPython notebook version if you would like to play with the code examples.

Read More …

Tags: Ottawa Software Python OPAG


Learn Python Videos link
Posted on 2014-03-03.

Mahdi Yusuf, one of the Ottawa Python Authors Group organizers and curator of Pycoder's Weekly, has just posted his complete catalog of Python tutorial videos for free:

Tags: Video Python OPAG


big picture
Posted on 2013-02-26.

This is the second part of the talk I gave January 24, 2013 at the Ottawa Python Authors Group.

Part One introduces Python iterables and iterators and generators. This part covers the advanced use of generators while building an interactive two-player network game.

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Tags: Ottawa Software Python OPAG


Iterables and Iterators
Posted on 2013-02-12.

This is part one of a talk I gave January 24, 2013 at the Ottawa Python Authors Group

Part Two is now also available.

Both parts of this presentation are also available as a single IPython Notebook which you can download and run locally, or view with nbviewer.ipython.org. The complete source is available at https://github.com/wardi/iterables-iterators-generators

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Tags: Ottawa Software Python OPAG


Posted on 2011-12-19, last modified 2012-04-09.

Python is a wonderful language, but some parts should really have bright WARNING signs all over them. There are features that just can't be used safely and others are that are useful but people tend to use in the wrong ways.

This is a rough transcript of the talk I gave at my local Python group on November 15, with some of the audience feed back mixed in. Most of this came from hanging around the Python IRC channel, something I highly recommend.

[update 2011-12-19: improved "array" critique, add "python -i" suggestion to "reload" critique, add html targets to sections]

[update 2011-12-20: include additional links from agentultra and ffrinch]

[update 2012-01-06: added hasattr and find]

[update 2012-04-09: some links and syntax highlighting]

Read More …

Tags: Ottawa Software Python OPAG


Python on Android, Django Unit Testing at OPAG link
Posted on 2011-05-25.

Ottawa Python Authors Group meeting tomorrow Thursday May 26 at 8p.m. Best of all it's not me talking this time!

Hope you can make it out.

Tags: Django Ottawa Software Python OPAG


Python Data Structures at the Pub Wednesday link
Posted on 2011-03-21.

The Ottawa Python Authors Group is gathering at the Georgetown pub on Wednesday March 23. The theme of this meeting is Python Data Structures and String Processing. It's a great topic for beginners and experienced python users alike. Hope to see you there.

Tags: Ottawa Software Python OPAG


Moving to Python 3 link
Posted on 2011-02-17.

My article on supporting Python 2 and Python 3 from the same code base is now freely available on LWN.net. The article is based on my recent work on Urwid's Python 3 support. I owe thanks to the people that started and contributed the compatibility work on github and bitbucket. I'm looking forward to a release with Python 3 support very soon.

I also gave a talk at last night's OPAG about these changes. Thank you to all those that came out, we should have these meetings more regularly. Maybe back at the pub next time?

Tags: Urwid Ottawa Software Python LWN.net OPAG


OPAG Pub Meeting Tuesday link
Posted on 2011-01-10.

The Ottawa Python Authors Group is gathering at the Georgetown pub tomorrow. The meeting is open and unstructured this time. I'll be there presenting a bit of my recent work with Python 3 and hg-git.

Tags: Ottawa Python OPAG


Sphinx logo
Sphinx Presentation at OPAG link
Posted on 2010-08-29.

I will be giving a talk at the September meeting of the Ottawa Python Authors Group covering some documentation work I have done recently using Sphinx domains and a custom Pygments lexer.

I am working on an embedded device for a client that includes a proprietary text command language. Sphinx supports documenting many common languages like C, Python and Ruby, but with the 1.0 release it now allows adding "domains" for new languages. I have used this feature to create a domain for this command language.

Sphinx uses Pygments to provide syntax hilighting for source code examples. None of the available options fit this command language so I also created a custom lexer for this command language in just a few lines of code.

My talk will cover creating these extensions for Sphinx and Pygments.

Tags: Ottawa Software Python OPAG


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