All Questions
Tagged with design-patternspython
126 questions
4votes
3answers
329views
numpy array/item handling functions
Recently I have been using numpy arrays, which have great utility via their broadcasting methods. I am attempting to write a useful public facing library, and this ...
- 237
1vote
1answer
110views
Database design using Closure Table for tagging system
I created these database tables with the inspiration in NjDevPro github repository. The design uses Closure Table for implementation of hierarchical tagging system in ...
- 37
4votes
2answers
111views
Managing file paths in a python Data Science project
When doing Data Science projects, I often have to load data and metadata, and output results, plots, logs, etc. Therefore I have to handle all the file paths from where to load the input and write the ...
5votes
2answers
124views
Argument Order To Determine Order Of Output (Python; `attrs`)
Feedback Request Is the manner in which I use attrs adequate (i.e. designed well)? Should I not expect to be able to use argument ordering to order the joining of ...
- 262
1vote
1answer
284views
Rules-engine to be improved/simplified for Efficiency (performance), Extensibility and Maintenance?
This is a simple implementation of a rules engine. I am really hating the very long MATCH/CASE function. I am wondering what kind of Design Patterns could be used there to make this code more ...
user106017
2votes
1answer
98views
Semi-generic data loading utility class
The following implements a relatively generic and modular data loading utility. It loads images from a local storage given a lookup table. The data loader is parametrized via dependency injection to ...
- 129
5votes
2answers
415views
Poker bets on Python
I'm writing poker for my bot in discord. So far I'm presenting an incomplete version of the project, which is only a betting system. The development took a lot of time, so I decided to ask for help. ...
- 53
2votes
1answer
187views
CPU emulator written in python (Adjustable Microcode!)
I've designed and implemented a CPU architecture in one day. Of key architectural details: Processor is supposed to support updatable microcode, Architecture extensions and Is designed to be ...
4votes
3answers
1kviews
Python Enum Strategy Pattern
I have two behaviours: pulling or cloning a git repository. It started as an Enum, but then I had to switch over the enum all the time. I wanted to turn it into some kind of strategy pattern and ...
- 1,008
2votes
1answer
601views
Model-View-Presenter (MVP) pattern implementation
To learn more about design patterns, particularly the Model-View-Presenter (MVP) pattern, I am currently creating a CLI weight tracker application in Python. I would like you to review the code to ...
- 43
2votes
1answer
78views
Class handling file conversion and data manipulation archiving [h5py]
I am a physics PhD student who co-developped a python package for file conversion of standard file format used in Scanning Probe Microscopy (SPM) and archiving of data manipulation for tracability. If ...
- 23
1vote
0answers
1kviews
MVVM using Python's tkinter
My task is to change the architecture of a previously written application to Model-View-ViewModel and use the Command pattern. It is written in Python 3.10.6 and uses the tkinter library for the GUI. ...
- 11
2votes
2answers
127views
Python Logger Implementation
I have developed an implementation of a logger in Python. I know that Python already has a built-in logger, my goal with this is to get feedback and suggestions for improvement, particularly about ...
- 173
1vote
2answers
152views
Replace personal names and addresses with company ones
The problem: I am given a data frame. Somewhere in that dataframe there is 3*N number of columns that I need to modify based on a condition. The columns of interest look like this: names_1 address_1 ...
- 129
-1votes
1answer
64views
Replacing private helper methods with global functions in Python? [closed]
In Python there is no real notion of private access. It's merely suggested by social convention with _ prepended in method names. ...
