Questions tagged [decorator-pattern]
The decorator-pattern tag has no usage guidance.
9
questions
5
votes
3
answers
645
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 ...
- 53
2
votes
0
answers
315
views
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
385
views
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 ...
- 44.3k
3
votes
1
answer
61
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 ...
- 44.3k
5
votes
1
answer
238
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)....
- 165
1
vote
0
answers
69
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 ...
1
vote
0
answers
71
views
Using a decorator for init in Python3+Pyside6, to avoid writing boilerplate code [closed]
I'm building a GUI application with Python3+Pyside6 and have many QDialog classes that are similar, and i was looking for a way to avoid having to rewrite the same ...
- 111
5
votes
0
answers
61
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:
<...
- 44.3k
0
votes
1
answer
328
views
Decorator Pattern with member functions
Motivation: without SaveDecorator, we would have to write:
...
- 1,371