Ian Ward

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

Contributing to Open Source
IASA E-Summit, 2014-05-16
Urwid Applications
Urwid Intro
Unfortunate Python
Django 1.1

Moving to Python 3
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Urwid 1.3.1 Released link
Posted on 2015-11-01.

Urwid 1.3.1 is now available at urwid.org and on pypi. This is a bug fix release that includes a number of small fixes.

Complete changelog

Tags: Urwid Software Python

ckanapi and ckanext-scheming link
Posted on 2015-06-01.

I had the pleasure of co-hosting CKANCon last week and presented a short talk on ckanapi and ckanext-scheming.

Here's a link to my slides.

Tags: Video Python CKAN

Urwid turns 10
Urwid 1.3.0 Released link
Posted on 2014-10-17.

Urwid 1.3.0 is now available at urwid.org and on pypi. This is a major feature release including new asyncio event loop support. Thank you to all the new contributors.

Complete changelog

Happy 10th birthday Urwid!

Tags: Urwid Software Python

Urwid 1.2.2 Released link
Posted on 2014-10-06.

Urwid 1.2.2 is now available at urwid.org and on pypi. This is a bug fix release that includes a fix for a serious performance regression.

Complete changelog

Tags: Urwid Software Python

Posted on 2014-10-03.

For pyrf I needed to take data from a frequency plot, which could be any number of points, and present it as a spectrogram that fills the view size exactly. In the spectrogram I only care about the maximum values that appear in the range of frequencies represented by each pixel.

If I could just divide the number of source bins by an integer factor the solution would be simple:

return np.amax(data.reshape((-1, factor)), axis=1)

But I have to be able to handle any number of source bins and output that to any number of pixels.

Fortunately numpy is awesome.

Read More …

Tags: Software Python

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

Urwid 1.2.0 Released link
Posted on 2014-02-09.

Urwid 1.2.0 is now available at http://urwid.org/ and on pypi. Lots of new features:

Complete changelog

Tags: Urwid Software Python

urwid.org, 1.1.2 Released link
Posted on 2013-12-30, last modified 2014-01-04.

Urwid's home page has moved to http://urwid.org/

Source control, issue tracking and wiki pages are now hosted on github. The new home page and changelog are now generated by sphinx like the Urwid manual, tutorial and reference.

The bug-fix-only release Urwid 1.1.2 is now available at http://urwid.org/ and on pypi.

Tags: Urwid Software Python

Posted on 2013-10-14.

After working on PyRF this past year, I was asked to help edit to a paper written by ThinkRF's Nikhil Adnani for AUTOTESTCON 2013: Wideband 20 GHz RF Digitizer and Python-based Open Application Framework for Test and Measurement.

We were fortunate enough to win the Walter E. Peterson award for Best Paper on Technology, and while I missed the show I did receive a handsome plaque and certificate for my contribution.

Tags: Software Python

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