Back
Feb 18, 2010

Absolute urls in models

Everybody knows about permalink, but it's usually used only in get_absolute_url. I prefer to use it for all related model urls.

class Event(models.Model):
    # ...
    @models.permalink
    def edit_url(self):
        return ('event_edit', (self.pk, ))

And then in template:

Редактировать событие

Subscribe for the news and updates

More thoughts
Apr 15, 2024Technology
Lazy Promises in Node.js

Promise is a powerful tool in asynchronous programming that allows developers to call a time-consuming function and proceed with program execution without waiting for the function result.

Aug 18, 2022Technology
5 Best Practices of RESTful API Design to Keep Your Users Happy

Dive into our guide to RESTful API best practices

Feb 12, 2020Technology
5 Best Payment Gateways For 2020

We reviewed the best payment gateways in 2020. Here’s our comparison of their features, advantages, and disadvantages.

Jan 9, 2017Technology
How to Use GraphQL with Django

GraphQL is a very powerful library, which is not difficult to understand. GraphQL will help to write simple and clear REST API to suit every taste and meet any requirements.

Oct 11, 2010Technology
Char search in Emacs as in Vim

In VIM there is a command for char search: f. After first use it can be repeated with ;. I like to navigate in line with it. You see that you need to go to bracket in a middle of a line - you press f( and one-two ; and you are there. There's no such command in Emacs, so I had to write my own. I've managed even to implement repetition with ;.

Sep 23, 2010Technology
Dynamic class generation, QuerySetManager and use_for_related_fields

It appears that not everyone knows that in python you can create classes dynamically without metaclasses. I'll show an example of how to do it.So we've learned how to use custom QuerySet to chain requests:Article.objects.old().public()Now we need to make it work for related objects:user.articles.old().public()This is done using use_for_related_fields, but it needs a little trick.