I am attempting to work with a very large dataset that has some non-standard characters in it. I need to use unicode, as per the job specs, but I am baffled. (And quite possibly doing it all wrong.) I open the CSV using: Then, I attempt to encode it with: I’m encoding everything except the lat and lng b…
Tag: django
How to use can_add_related in Django Admin
I’ve read about the can_add_related feature here: https://code.djangoproject.com/ticket/9071 I tried using it this way: But this throws a TypeError and I don’t know how to solve this. Can someone point me in the right direction? Thank you. Answer This is probably coming in late. But for other view…
How to create a user in Django?
I’m trying to create a new User in a Django project by the following code, but the highlighted line fires an exception. Any help? Answer The correct way to create a user in Django is to use the create_user function. This will handle the hashing of the password, etc..
django icontains with __in lookup
So I want to find any kind of matching given some fields, so for example, this is what I would like to do: sadly it is not possible to mix icontains and the __in lookup. It seems to be a pretty complex query so if at least I could ignore case the name that would be enough, for example: Any
Convert an IP string to a number and vice versa
How would I use python to convert an IP address that comes as a str to a decimal number and vice versa? For example, for the IP 186.99.109.000 <type’str’>, I would like to have a decimal or binary form that is easy to store in a database, and then retrieve it. Answer converting an IP string …
how to set foreign key during form completion (python/django)
During form processing I’d like to be able to set a foreign key field on a model object without the user having to select the key from a dropdown. For instance: The user will navigate from a view showing an instance of ‘AAA’ to a create_object style view that will create an instance of ̵…
Celery + Django: Cannot start celerybeat on Windows 7
I’ve been developing a Django application and I am now trying to add Celery for background tasks. I need both normal tasks and periodic tasks to be queued. I can start up celeryd just fine, and execute tasks with it (I start it with the command python manage.py celeryd start –settings=settings …
Global variable/Variable caching in Django
In my website, I want to present to the user the most viewed product categories in a sidebar, in multiple pages. so in each different view I have: and in the various templates and in that one: However, I would like to calculate the most_viewed_categories value only once every 2 days or so, instead of calculat…
sqlite3.OperationalError: unable to open database file
I get this error when setting up a server in Django. It is sqlite3 which means it should create the .db file but it doesn’t seem to be doing so. I’ve stipulated SQLite as the backend and an absolute file path for where to put it, but no luck. Is this a bug or am I doing something incorrect? (Was
A python web framework for google app engine
(Please note that this question and some of the answers are old) I want to use an existing python framework to develop an application on google appengine. It should be quick and easy to start and support test driven development practices in an easy way. Can you recommend a stack? What about django? Additional…