Older blog entries for afayolle (starting at number 2)

Narval
I've finally managed to setup a way of posting a daily snapshot of Narval's cvs on the ftp server. I had to use a ssh key with no passphrase to do this, but I don't think it iqs too bad, because this key is only authorised on the ftp server from machine inside the firewall. If anyone knows of a better way to do this, I'll be glad to hear of it.

xmldiff
When changes creep in that kill performance... We spent some time figuring out why xmldiff had slowed dow considerably. It turned out that a loop to find the index of a tuple in a list had been replaced by a call to the index() method of the list. This method uses == to compare elements whereas the original loop used is, which in our case is about 100 times faster.
19 Aug 2002 (updated 19 Aug 2002 at 09:28 UTC) »

Before I get to some more serious work, I'd like to post a small link to the page of womeone whose work I greatly appreciate, Christopher Baldwin. This guy is a great cartoonist, and I've been reading Bruno daily since 1998.

This is not a humor strip, though some drawings and characters are really funny. There is some very deep melancholy in there, not unlike the state of mind Beaudelaire called spleen. It's a story of daily struggle against a gloomy world, where the sun shines sometimes, where friends are important, and yet wher you can feel miserable. And there's a cat, too.

Well I've already been longer than I intended. Sorry about that.

16 Aug 2002 (updated 16 Aug 2002 at 15:15 UTC) »

Hi there.

I'm starting with the diary feature of Advigato. I'll try to post interesting stuff here. English is a foreign language for me, so please be indulgent with my poor spelling and grammar.

Code generation in Python

I'm currently working for a new chapter in Logilab's Python course (link is in French), for a customer who wants to generate code using python. After talking with the person in charge, they want to generate some assembly code for some on-board equipment, but they cannot say a lot more, because there are some confidentiality issues. I'll probably end up generating C code. The problem is finding a good example for hands-on exercices. I haven't decided yet what it will be. Suggestions welcome ;o)

So I'm currently investigating parser generators in Python. The Python Parser-SIG has some interesting resources.

PyExpat and the Python profiler

At the same time, I've been hitting a problem when trying to profile some runs of xmldiff : the xmlparser pyexpat does some strange things with the Frames to call the python callbacks, and the profiler doesn't like it at all. See my post on the xml-sig mailing list on this.

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