Author Archives: James Henstridge

Django support landed in Storm

19 September, 2008 – 2:23 pm

Since my last article on integrating Storm with Django, I’ve merged my changes to Storm’s trunk.  This missed the 0.13 release, so you’ll need to use Bazaar to get the latest trunk or wait for 0.14. The focus since the last post was to get Storm to cooperate with Django’s built in ORM.  One of [...]

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Transaction Management in Django

1 September, 2008 – 3:42 pm

In my previous post about Django, I mentioned that I found the transaction handling strategy in Django to be a bit surprising. Like most object relational mappers, it caches information retrieved from the database, since you don’t want to be constantly issuing SELECT queries for every attribute access. However, it defaults to commiting after saving [...]

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Storm 0.13

29 August, 2008 – 4:21 pm

Yesterday, Thomas rolled the 0.13 release of Storm, which can be downloaded from Launchpad.  Storm is the object relational mapper for Python used by Launchpad and Landscape, so it is capable of supporting quite large scale applications.  It is seven months since the last release, so there is a lot of improvements.  Here are a [...]

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Double the Fist

14 August, 2008 – 4:32 pm

For anyone that cares, the new series of Double the Fist is starting tonight at 9:30pm on ABC2 (and repeated tomorrow on ABC1 for those who don’t get ABC2).  It has been a long time coming (4 years since the previous series), so will hopefully be worth it.  I guess it will be available on [...]

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In Orlando

5 August, 2008 – 9:42 am

I’ve just finished the first day of the Ubuntu online services sprint in Orlando, Florida.  I didn’t repeat last year’s trick of falling asleep at the airport, so the trip was only about 29 hours all up. We’ve got a great team that I am looking forward to working with, so it’ll be interesting to [...]

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Using Storm with Django

1 August, 2008 – 5:23 pm

I’ve been playing around with Django a bit for work recently, which has been interesting to see what choices they’ve made differently to Zope 3.  There were a few things that surprised me: The ORM and database layer defaults to autocommit mode rather than using transactions.  This seems like an odd choice given that all [...]

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Metrics for success of a DVCS

31 July, 2008 – 5:40 pm

One thing that has been mentioned in the GNOME DVCS debate was that it is as easy to do “git diff” as it is to do “svn diff” so the learning curve issue is moot.  I’d have to disagree here. Traditional Centralised Version Control With traditional version control systems  (e.g. CVS and Subversion) as used [...]

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DVCS talks at GUADEC

9 July, 2008 – 5:04 am

Yesterday, a BoF was scheduled for discussion of distributed version control systems with GNOME.  The BoF session did not end up really discussing the issues of what GNOME needs out of a revision control system, and some of the examples Federico used were a bit snarky. We had a more productive meeting in the session [...]

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MySQL Announces Move to Bazaar

20 June, 2008 – 5:31 pm

It has been a while coming, but MySQL has announced their move to Bazaar for version control.  This has been a long time coming, and it is great to finally see it announced publicly. The published Bazaar branches include 8 years of history going back to MySQL 3.23.22, imported from the BitKeeper repositories.  So you [...]

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How not to do thread local storage with Python

11 June, 2008 – 6:00 pm

The Python standard library contains a function called thread.get_ident().  It will return an integer that uniquely identifies the current thread at that point in time.  On most UNIX systems, this will be the pthread_t value returned by pthread_self(). At first look, this might seem like a good value to key a thread local storage dictionary [...]

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