Questions tagged [decorator-pattern]
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10 questions
2
votes
1
answer
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Refactoring Agreement Status Logic: Applying SOLID Principles and Separating Logging/Auditing with Decorators
I have some production code that contains a lot of repetition and mixes business logic with auditing and logging. I've made two attempts at refactoring it, primarily using decorators. I'd like to get ...
- 143
4
votes
1
answer
91
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role_required decorator for FastAPI route
Disclaimer: It's been quite a long time since I asked questions here, and also I am a complete novice in FastAPI.
I am playing with FastAPI authorization and wondering how can I protect my routes from ...
- 217
6
votes
3
answers
707
views
Password checker using Decorator Pattern
I'm currently trying a Password checker for password in Decorator Pattern, which will point out what the current password missing to be a strong password (my example will check for 8 characters, at ...
- 63
2
votes
0
answers
381
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Decorator to log function calls and return values
I want to write a decorator in Python 3.11 that adds some basic logging to functions.
I want to use the decorator without any keyword arguments:
@add_logging
In ...
- 21
1
vote
1
answer
420
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Protecting functions from empty DataFrames
Pandas likes to throw cryptic errors when you feed its functions with empty DataFrames saying nothing that would help you to identify the root cause. In order to ...
- 44.7k
3
votes
1
answer
91
views
Cancelling function execution with a ContinuationError
Although throwing excptions for control flow is a controversial topic there are some quite popular examples of using this anti-pattern like C#'s async routines throwing the ...
- 44.7k
5
votes
1
answer
282
views
decorator to execute sqlite statement
I'd like to wrap all my sqlite statement functions with a decorator which collects the statement and the lists of values I will inject in place of placeholders in my statement (to avoid sql injection)....
- 195
1
vote
0
answers
107
views
Check that inputs are valid dates
I have a method in a class that accepts either a datetime or string parameter. It is shown in the last code block (I didn't include the class). A little background is that I am defining a wrapper ...
5
votes
0
answers
78
views
Message-free flow-oriented logger
Today, I've got a small FlowLogger for you to review. The idea is not to log pure messages, but focus on the flow of the app that might contain such items as:
<...
- 44.7k
0
votes
1
answer
354
views
Decorator Pattern with member functions
Motivation: without SaveDecorator, we would have to write:
...
- 1,401