Django is a Python-based framework for creating web applications.

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LRU caching decorator that caches in the instance and in a shared cache

I needed a caching decorator, that could be used with methods and functions, that could take typed args and kwargs, and that was Python 2.7 compatible. Therefore I started with a backport of the ...
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1answer
33 views

Selecting all posts created by user that actual user follows

I have a view that displays posts created by users that actual logged in user follows. It works, by I think the way I've done it isn't good. BTW, UserProfile is my default user model. UserFollower ...
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40 views

Registration in Django

Can you say, is this a bad code for registration in Django? Do I need to fix something or use a pip instead? (I am learning) ...
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36 views

FIFO inventory allocation method

I am an owner of a small industrial business startup and I am learning to write software in order to efficiently keep track of our inventory and finances, as our needs have outgrown the capabilities ...
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1answer
80 views

Handling SMS replies to register/unregister phone numbers

I'm working on a Django Twilio app, and I believe it's coming along well. I just want to improve my code writing skills. How can I improve the below code? ...
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61 views

Object oriented architecture with an image processing code

This code is python 3X code (in django). It takes an instance of user entry, and process images: it creates a resized version of original image, 2 thumbs, saves all, and update instance fields to ...
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47 views

Django views for banking operations

How can I Pythonize/Djangoize/DRY my Django code? views.py ...
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61 views

Bank account model implementation in Django

There is a draft of my models.py. What can I do for code quality and readability increase? ...
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83 views

Model classes for a quiz app in Django

I am creating simple quiz app in Django. It works, but I think that way I've done it is not the best. I have Exam detail view, which display questions related to that exam and answers for these ...
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31 views

django performance - is sql view good enought?

As part of my present project I revived task to deliver group of on-line reports. As per reports complexity and best performance on my radar I decided to write sql view on Posgres and next attached ...
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53 views

Mapping different classes to the same database table

I have several very similar subclasses that I (think I) want to be stored in the same database table. Most of the fields are identical, with each subclass adding 1 or 2 custom fields. My code is using ...
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1answer
46 views

Better filtering in Angular factory

I'm an 'old school' programmer (C, C++), and I have step-by-step, algorithmic thinking. I'm writing some code in Angular + Django and I know that this code is ugly but I don't have any idea how to ...
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61 views

SOAP request in a while loop

I am developing a service where the user need to sign the seller agreement with Mobile BankID (Swedish e-sign service). To make this work I need to make SOAP request to get the progress status of the ...
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79 views

Django search method

I have done this small piece of code used to search for a given word across several fields of a Django model. Goal was to have first entries equals to the word, then entries starting by the world ...
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61 views

Serving a growing audio file with Django

I would like to serve a growing audio file (raw PCM audio for now) with the possibility of seeking. I tried to manage it with Apache, but in the end wasn't able to achieve what I wanted. Now I ...
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31 views

Platform to buy services, where you can receive notifications

I am developing a website, where people can buy services, also it has a notification system; I do this in views to show log in and sign up, on index.html. views.py ...
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146 views

A web crawler for scraping images from stock photo websites

I created a web crawler that uses beautiful soup to crawl images from a website and scrape them to a database. in order to use it you have to create a class that inherits from Crawler and implements 4 ...
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70 views

How should I arrange my imports?

I inherited a project that has many imports. Is there any way to refactor it so that we don't have this many imports? ...
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2answers
69 views

Excluding an element from a dictionary

I was asked to change code that I maintain (but didn't write) for a learning management system that previously listed an examed course both under examed courses and other courses and now my task was ...
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1answer
55 views

Changing attributes in Django Objects outside of iteration

I'm adding three attributes to a Django QuerySet that represents a hierarchical tree structure: a display_name which is added to all objects the id of the ...
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32 views

Updating multiple membership plan expiration dates at once

I have model action in RequestAdmin like this: ...
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45 views

Django view and template for a virtual zoo

I have a Django view and template that work together, but I think I probably did things in a crappy way. I basically have many dynamic values that I want to display on the page, and in two different ...
3
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1answer
81 views

Transaction.atomic with continuations

I have a view that looks like this: ...
3
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1answer
44 views

Optimisation of a views.py for survey application

I have developed a small survey application in Django 1.6.2 which requires that the participants fill out a number of questions over 27 pages using a ...
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2answers
51 views

Optimisation of a forms.py for a survey application

This is my forms.py for a small survey application I am developing. I previously posted some of my models.py. I am completely self-taught and am just looking for advice on how to improve. Any advice, ...
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2answers
97 views

Django Person Model created from forms.ModelForm

This is the current iteration of my first model of a Person. The model is populated by a survey application using forms.ModelForm and a ...
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37 views

Fetching BasicInfo, BillingInfo, and DocumentInfo objects

The repetition is super obvious here. How can I rewrite this code? I need one base method in which I pass a Django model, to call objects.filter, but I can't figure ...
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1answer
73 views

Save 2 related models through a single form

Here are two models - Property and Developer: ...
5
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1answer
102 views

First attempt at weighted search

My concern is speed, since this may be used in an e-commerce website I want it to be as quick as possible. Where can I improve? ...
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1answer
41 views

User and Score models

I have a couple of models - User & Score. I am displaying data from those models to my template. Data from ...
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45 views

Determine what hazard type does the building belong using GeoDjango Intersects

Below is my query to identify what hazard type does the buildings belong: ...
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Execute GeoDjango query from multiple rows of data and read it using AJAX

I used AJAX to read the result of my query: ...
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52 views

Organizing museum artwork

I have a small Django project to help organize museum artwork. In my models.py file, my museum object is defined as follows: ...
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96 views

Return JSON data based on GeoDjango Queryset

My code below returns a JSON data based on user's input or query in my HTML page or template. However, I need to modify or do some tweaking with my JSON data in order for me to use it in my datatables ...
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1answer
757 views

An array of dictionaries; comparing each {key, value} pair; and combining dictionaries

I'm trying to optimize a nested for loops that compares an element in the array with the rest of the element in the array. There's two part, the first part is for example, an Array has 3 elements, ...
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52 views

Correct, DRY, and efficient use of Django Managers?

I'm writing a custom Manager for my django app that lets you group django-enumfields: ...
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140 views

Create user with profiles and send emails

I am learning Python (3) and Django (1.7) after a while in PHP (not POO). I am rebuilding my own website that has public members. My members have a user account, a public profile and a private ...
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1answer
269 views

Modeling a Mage character from nWoD, using Django

Goal Design a representation of a mage character from the World of Darkness RPG, as well their associated spells. Here is a visual representation of the schema. You can see it more closely ...
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119 views

Use of get queryset and using pass to ignore an exception and proceed in my django view

I wrote a view to update my draft object. Before updating my draft I need to see if any draft exists for package(draft.package) in db or not. If any draft is ...
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1answer
41 views

Dynamically calculate status in MLM

Problem: dynamically calculate status in MLM only based on a structure. It works correctly but it's so slow. Only test processing takes about 20 seconds. I tried to replace some lists by generators, ...
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122 views

Finding Facebook Friends on app, and not on app

This code gets all of a user's Facebook friends who use our app and returns a dictionary with keys that are their id's in our database and values that are a default connection level. The code should ...
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2answers
122 views

Class for multithreaded insert into database

Here I have class that supposed to take dictionaries of product objects and their articles (kind of unique identifier) from queue and insert or update them in database table. Received dictionary ...
2
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1answer
199 views

Django template filter - sort by multiple keys

I have prepared an implementation of sort_by_keys filter: ...
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1answer
115 views

Efficient Django model for blog post

I'm currently trying to create a travel blog using Django whereby users will be able to create a travel plan with the following features: Each user can create a travel event based on the start date ...
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1answer
95 views

A `get_context_data` method for selecting and updating images displayed to a user over a multi page form

Below are the get_context_data method and the done method of a SesionWizardView. A SessionWizardView is designed to split a form over multiple pages. The ...
3
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1answer
33 views

URL selection function that is designed to randomly assign users to different surveys until full

I'm trying to condense some of my code to make it more maintainable and to learn a few new tricks. Below is a Python 2.7 / Django 1.6 function which is designed to assign users to one of three ...
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309 views

Django Model field naming convention for lookup tables

I'm currently in the process of refactoring a Django app to use Django REST Framework. Within the existing code there are 15 models for lookup tables. The structure of each model is as follows (using ...
4
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1answer
64 views

CRM for a web host

I wrote an application which runs correctly, but I just want to have some feedback on it. Is there something unnecessary, or could there be something more pythonic, or did I write some code which ...
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vote
2answers
376 views

Django ListView with MySQL query for the queryset

(Note: Even if you don't know Django, it's probably the query that needs work anyway, so you probably don't need to know Django/Python) I have a ListView that ...