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

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How to store bought digital goods in django [on hold]

I'm building digital goods shop. Goods are like software keys, could be bought only once. I want users to have personal page with their goods. Currently I store this relation information in ...
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20 views

Idiomatic Django conditional filter queryset

I am sharing a viewset between two types of routes in Django: one is a nested route (/users/:id/comments/:id/), and a regular route (...
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79 views

Validating Email Addresses without DB

I wanted to put this out here and see if there were any security vulnerabilities that I'm not seeing. Also, if I can improve performance without sacrificing security, that's always a plus. Thanks in ...
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47 views

Django query filter on count in one to many relation

I have the following models: ...
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1answer
45 views

Get time slots based on multiple workshops

I have a list of Workshops, each having open days (Monday, Tuesday etc.) and open time and close time (which will be same for each day). Now, Based on the current time, I need to find out next 7 days ...
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1answer
106 views

Loading data from a text file into the database as fast as possible

I'm building a Django (1.8.12) application that parses a .bc3 file (Standard Interchange Format for Databases of Construction and Real State) and loads all the data into the database (PostgreSQL ...
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1answer
17 views

Auto registering class registry

I built this auto registering registry to look into a package and import all modules and register any classes that are a subclass of a base class. I use it as a registry for a model's choices in ...
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1answer
30 views

improvement of a database register function

Here is a function in a django rest api, that takes data in json and registers a category for a given website. I'd like to merge two try...except parts that check ...
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145 views

Ajax bootstrap modal form function

I made a few functions to handle an Ajax post request for a form inside a bootstrap modal, and then update the form errors / display a success message disappearing with a timer countdown upon valid ...
4
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1answer
64 views

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
43 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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1answer
76 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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1answer
62 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 ...
5
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1answer
89 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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2answers
67 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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2answers
92 views

Django views for banking operations

How can I Pythonize/Djangoize/DRY my Django code? views.py ...
3
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2answers
101 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? ...
5
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1answer
279 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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38 views

Delivering groups of online reports

As part of my present project, I revived the task to deliver group of online reports. As per a report's complexity and best performance on my radar, I decided to write SQL view on PostgreSQL and next ...
3
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1answer
56 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
54 views

Ad 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 ...
3
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2answers
83 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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2answers
119 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 ...
3
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1answer
134 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 ...
3
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34 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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334 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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78 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
72 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
61 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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1answer
33 views

Updating multiple membership plan expiration dates at once

I have model action in RequestAdmin like this: ...
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1answer
46 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
94 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
57 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
140 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 ...
3
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2answers
39 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 ...
8
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1answer
74 views

Save 2 related models through a single form

Here are two models - Property and Developer: ...
5
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1answer
107 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
44 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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48 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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116 views
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54 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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1answer
122 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
1k 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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57 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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1answer
222 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 ...
15
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1answer
283 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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135 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
45 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, ...
4
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0answers
133 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 ...