Python/Django: log to console under runserver, log to file under Apache
Text printed to stderr will show up in httpd’s error log when running under mod_wsgi. You can either use print directly, or use logging instead.
django
Django 1.7 upgrade error: AppRegistryNotReady: Apps aren’t loaded yet
I am trying to upgrade a project from Django 1.6 to 1.7. I get the following error: django.wsgi: Any ideas what might be causing the error and how to fix it? UPDATE1: I replaced: to: And I get the following error: UPDATE 2: I replaced: to: and: And I get the following error:
Implementing a SOA in Django using celery
A message queue (such as rabbitmq brokered by celery) is a perfectly fine way to handle communication between SOA components. Additionally, if you need real-time communication without sharing databases between services, REST is basically made for this. There are several options for implementing REST services on top of Django, with Tastypie and Django-Rest-Framework being popular … Read more
Django: no such table: django_session
It could be that the server uses a different working directory than the manage.py command. Since you provide a relative path to the sqlite database, it is created in the working directory. Try it with an absolute path, e.g.: Remember that you have to either run ./manage.py syncdb again or copy your current database with the existing tables to /tmp. … Read more
Django TemplateDoesNotExist?
First solution: These settings mean that Django will look at the templates from templates/ directory under your project. Assuming your Django project is located at /usr/lib/python2.5/site-packages/projectname/ then with your settings django will look for the templates under /usr/lib/python2.5/site-packages/projectname/templates/ So in that case we want to move our templates to be structured like this: Second solution: If that still doesn’t work … Read more
How can I get the file name from request.FILES?
From the request documentation. If you don’t know the key, you can iterate over the files:
“The path python3 (from –python=python3) does not exist” error
try something like this, here C:/Python36/python.exe give the full address of python3 executable
CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
Try Less secure if you’re not firewalled off or on a public LAN, but it’s what I use and it works. EDIT: Interestingly enough I’ve been needing to add this to a few of my 1.8 projects even when DEBUG = True. Very unsure why. EDIT: This is due to a Django security update as mentioned in my … Read more
django display message after POST form submit
The django admin uses django.contrib.messages, you use it like this: In your view: And in your templates:
‘NOT NULL constraint failed’ after adding to models.py
You must create a migration, where you will specify default value for a new field, since you don’t want it to be null. If null is not required, simply add null=True and create and run migration.