All Questions
Tagged with design-patternspython
126 questions
24votes
1answer
11kviews
Strategy design pattern with various duck type classes
I've recently picked up the Head First Design Patterns book in an effort to become a more efficient and better Python programmer. Unfortunately, the code examples in this book are in Java. I'm not ...
- 485
18votes
2answers
3kviews
A KenKen puzzle/solver in Python
I've written a simple KenKen puzzle/solver in Python. I'd love some feedback on the design of the puzzle, as well as the architecture for the solver. To model the puzzle, I have the following classes:...
- 183
11votes
1answer
247views
Creating an app for selecting a folder
The script creates a simple app with a GUI containing an input field and a button to select a folder. On startup a default value is set to the input field. If the user types a value or selects a ...
- 95
10votes
3answers
39kviews
Text-based Blackjack game in Python
I am new to programming in Python and wrote a simple Blackjack project. I am looking for experienced peers to provide a high level code review about the overall design patterns and proper usages. The ...
- 103
10votes
2answers
214views
System design - Jaipur board game learning agent
Link to my previous question. I've implemented the other features of the board game, and made a simple learning method that stores state values and makes optimal moves based on that. I've used some ...
10votes
2answers
141views
Adapting a bilingual program to support users with learning disabilities
I have a very large class which serves as the BaseClass for many AdapterClasses. The base class consists of methods that can be ...
- 271
10votes
1answer
1kviews
State and Borg design patterns used in a Telegram wizard bot
I'm making a sort of a user interface for a telegram bot and my idea was to use State design pattern for making sort of a wizard for all the process, with user inputting data in each step or pressing /...
- 231
8votes
1answer
235views
Making argument parsing more streamlined and readable than if-statements
I am working on an API wrapper for calls to a website. Each of several types of calls can take a large number of optional arguments, some of which contradict. In the interest of preventing the user ...
- 183
8votes
1answer
3kviews
Testing lower- and upper bound values in Python
Code functionality The following code tests whether the values that a user specifies for a lower bound and upper bound on two properties: The lower bound is smaller than the upper bound. The values ...
- 215
7votes
1answer
6kviews
Creating a Kinesis stream, Firehose, and lambda event source from config file
I'm in the process of writing a python script for automating a data ingestion pipeline using Amazon Web Service's Kinesis stream, Firehose and lambda. This is my first stab at writing Python, but I do ...
- 540
7votes
1answer
511views
Refactoring of a client API to avoid duplicated code and unclear passage of parameters
I need to develop an API. The functions of the API are requests that call the services exposed by a server. Initially the API worked like this: ...
- 173
7votes
1answer
1kviews
Observer pattern implementation without subclassing
I have not yet seen an implementation of the observer pattern in Python which satisfies the following criteria: A thing which is observed should not keep its observers alive if all other references to ...
- 173
7votes
1answer
246views
Create six hash tables - 2 hashing schemes x 3 collision handling schemes
I was asked to solve the following task: Given two methods for hashing (division and multiplication) and three methods for collision handling (chaining, open addressing w/ quadratic probing, and ...
- 71
6votes
2answers
784views
Implementing web scraping in a function and in a class
The goal of my code is to implement a web scraping routine to obtain the name and the price of a product. I want to put this routine separated from the main program file. Sample url to scrape: https://...
6votes
2answers
1kviews
