All Questions
21 questions
2
votes
1
answer
54
views
Matlab object arrays' method call equivalent in Python
Matlab has object arrays, Python has lists or tuples.
Calling a method of a class on an object array of objects of that class, is easy in Matlab:
A = [Class1(1), Class1(2)];
B = A.toClass2();
see &...
- 21
0
votes
1
answer
47
views
How to model two abstractions that have polymorphic relation in OOP
So I have a problem how to model data in my project. I have it in python and doing it in OOP fashion. But I cannot figure out a right way to model this case:
Let's say there is an abstract class ...
-1
votes
1
answer
159
views
How could I create a system for my trading bots [closed]
I want to create a system where I can manage a privet trading bots ,I don't Know how to architects it
with OOP or create a file for each bot
I will store the strategies in one file so I can import it
...
- 1
0
votes
1
answer
624
views
Python: how to set the global log level properly?
I'm setting the log level based on a configuration. Currently I call Settings() from the inside of Logger, but I'd like to pass it instead or set it globally - for all loggers.
I do not want to call ...
- 8,725
1
vote
1
answer
256
views
Dependency Inversion Principle - Why Not Use A Base Class?
Let's say I have an application which uses a special network socket, which transmits data over a socket in XML format called XMLSocket.
XMLSocket inherits BaseSocket, and satisfies the Liskov ...
- 93
-1
votes
1
answer
25
views
An OOP pattern that selectively help returns a mathematically-accurate value or its formatted representation
There is an object trade_pair whose methods are able to return float values about stored in quotes and values (the number of both currencies, the current price, etc.). Only mathematical float values ...
- 87
0
votes
2
answers
488
views
How to decouple a class from it's attributes when the methods of the attributes need to modify state of the owning class?
How do I decouple a class from its attributes when methods of the attributes need to modify the state of the owning class? Alternatively, how can I redesign the architecture so that this isn't a ...
- 2,044
19
votes
3
answers
1k
views
Should Domain Model Classes always depend on primitives?
Halfway through Architecture Patterns with Python, I have two questions about how should the Domain Model Classes be structured and instantiated. Assume on my Domain Model I have the class DepthMap:
...
- 501
0
votes
0
answers
98
views
Passing Objects and Proper Program Architecture - Python
I am creating a python script that executes a series of tests that writes and reads information to and from a CAN bus network. I'm using python-can and cantools packages. I've managed to transmit and ...
- 141
2
votes
0
answers
89
views
Which paradigm or pattern to use for creating a wrapper over an API with python?
I want to create a library with python that uses different services from aws to access my data. The data can come from s3-bucket(AWS) with boto3 library, or via services from aws (like AWS Athena, or ...
- 1,518
0
votes
0
answers
52
views
Inherit and add methods or compose new object and take data as argument?
I am self-learning object-oriented Python and have a classical "inherit or compose" question in my project. I read through many of the general guidelines/answers to this question, but it's hard for me ...
- 506
1
vote
1
answer
492
views
How to group or cluster many methods of a Python object
I have an object with a lot of methods. These methods can be grouped or clustered. Groups are e.g. 'model1', 'model2',..., which have methods like calc_density,calc_temperature, get_temperature,...
...
- 13
-1
votes
1
answer
138
views
How Python actually store and call functions on a lower-level?
Everything in Python is an object, even a function is an object and in turn, they are first-class functions. Moreover, it allows techniques like Monkey Patching.
But, internally at the lower-level ...
- 461
0
votes
1
answer
115
views
Inheritance with large class hierarchy
Suppose you are creating a project that involves a large class hierarchy, which involves fairly complicated __init__ methods that call parents all the way from leaf classes to the root, like a ...
- 125
2
votes
2
answers
138
views
Python application architecture
I'm trying to create task management system. (an app where somebody can create a task and set up a deadline date and get notifications). At first i will create console app and then web using django.
...
- 149