Items tagged django, debugging
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Appending the request URL to SQL statements in Django. A clever frame-walking monkey-patch which pulls the most recent HttpRequest object out of the Python stack and adds the current request.path to each SQL query as an SQL comment, so you can see it in debugging tools such as slow query logs and the PostgreSQL “select * from pg_stat_activity” query. # 2nd June 2010, 9:09 am
Presenting django-devserver, a better runserver. I really like this—it’s a Django management command (./manage.py rundevserver) which adds SQL logging and cache access summaries to the console output of Django’s local development server. It solves a similar set of problems to the debug toolbar, but requires slightly less setup and doesn’t inject additional HTML in to your pages. You can add your own custom modules to it as well. # 10th February 2010, 11:33 am
django-debug-toolbar. The new panel styling for the Django debug toolbar is really slick—here’s a neatly produced screencast demonstrating it (with Gypsy Jazz accompaniment). # 21st September 2009, 6:36 pm
Debugging Django in Production Revisited. Eric Holscher expands his show-technical-errors-to-superusers middleware to only show them to users in the group named “Technical Errors”. # 7th September 2009, 5:21 am
Announcing django-viewtools. A really excellent idea—run ./manage.py viewtools --pdb /path/on/site/ to debug a view in your Django project that is raising an error using the Python debugger, or use --profile to run the full request cycle for that URL through the profiler. # 17th February 2009, 9:35 pm
Introducing the Django Debug Toolbar. Another project inspired by DjangoCon: a component based debugging toolbar for Django. I like the architecture so far. # 21st September 2008, 6:32 pm
Django snippets: server with debugging backdoor. Six lines of code that uses spawning to fire up a Django server on port 8000 and a remote interactive interpreter backdoor on port 8001, so you can interogate the state of your server within the same process. # 8th September 2008, 10:15 pm
Super User Conditional Page Exception Reporting. The name is almost as long as the code snippet: this serves Django’s debug page to logged in super-users, falling back to the default 500 template for everyone else. # 31st July 2008, 9:06 pm
Debugging Django, a slidecast. I used SlideShare’s slidecast tool for the first time to synchronize audio of my Django London User Group talk with the slides. The talk included several live demos which aren’t represented in the slides so it’s a bit piecemeal in places. # 25th May 2008, 2:47 pm
modswgi: Debugging Techniques. mod_wsgi is excellent software, and the documentation is equally superb. I used these instructions recently to run the Python debugger inside a running instance of Apache, which helped my track down some import errors that weren’t occurring with Django’s development server. # 25th May 2008, 1:34 pm
Debugging Django
I gave a talk on Debugging Django applications at Monday’s inaugural meeting of DJUGL, the London Django Users Group. I wanted to talk about something that wasn’t particularly well documented elsewhere, so I pitched the talk as “Bug Driven Development”—what happens when Test Driven Development goes the way of this unfortunate pony.
The slides [... 1759 words]