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Showing posts with the label Python Decorators

How To Use The User_passes_test Decorator In Class Based Views?

I am trying to check certain conditions before the user is allowed to see a particular user setting… Read more How To Use The User_passes_test Decorator In Class Based Views?

Strange Behaviour When Mixing Abstractmethod, Classmethod And Property Decorators

I've been trying to see whether one can create an abstract class property by mixing the three d… Read more Strange Behaviour When Mixing Abstractmethod, Classmethod And Property Decorators

Check If A Function Uses A Specific Keyword Argument

I've got a decorator like this: def auth(func): def dec(self, *args): user = Auth.a… Read more Check If A Function Uses A Specific Keyword Argument

Is It Possible To Numpy.vectorize An Instance Method?

I've found that the numpy.vectorize allows one to convert 'ordinary' functions which ex… Read more Is It Possible To Numpy.vectorize An Instance Method?

Load Module To Invoke Its Decorators

I have a program consistring of several modules specifying the respective web application handlers … Read more Load Module To Invoke Its Decorators

Flask: Why App.route() Decorator, Should Always Be The Outermost?

Say, I have a hand-crafted @login-required decorator: from functools import wraps def login_requir… Read more Flask: Why App.route() Decorator, Should Always Be The Outermost?

Is There A Way To Run A Method Automatically On The Initialization Of An Instance Without Using __init__?

I am writing some unit tests with Pytest. If I want them to be collected automatically, I have to … Read more Is There A Way To Run A Method Automatically On The Initialization Of An Instance Without Using __init__?

How Can I Implement A Custom Error Handler For All Http Errors In Flask?

In my Flask app, I can easily expand the list of errors handled by a single custom error handler by… Read more How Can I Implement A Custom Error Handler For All Http Errors In Flask?

Timing Decorator Is Raising "'nonetype' Object Is Not Callable" Exception

I have i timing function and my main function. When i use only main function it runs fine, but when… Read more Timing Decorator Is Raising "'nonetype' Object Is Not Callable" Exception

When We Should Use Tf.function Decorator

I'm trying to boost the performance of a simple 2NN. Here is the code: from tensorflow.keras.mo… Read more When We Should Use Tf.function Decorator

Class Decorator For Methods From Other Class

NOTE: I've got a related question here: How to access variables from a Class Decorator from wit… Read more Class Decorator For Methods From Other Class

Python - Decorators

I'm trying to learn Decorators . I understood the concept of it and now trying to implement it… Read more Python - Decorators

Python, Reference Class Instance/method In Decorated Function

I'm having a hard time finding a way to reference class instances in a decorator function. impo… Read more Python, Reference Class Instance/method In Decorated Function

Python Decorator Function Called At Compile Time

I hope that someone familiar with Python's compilation / run-time procedures could shed some li… Read more Python Decorator Function Called At Compile Time

Why Typeerror: 'str' Object Is Not Callable Error Has Occurred In My Code

I am new to learning python, I know this kind questions asked before but i am not able to find any … Read more Why Typeerror: 'str' Object Is Not Callable Error Has Occurred In My Code

Python Decorator @func().attribute Syntax Error

I tried to find an answer here, but could not. @obj.func # works @obj.func(**kwargs) #works @obj.f… Read more Python Decorator @func().attribute Syntax Error

Typeerror: 'nonetype' Object Is Not Iterable When Applying Decorator To Generator

I have a decorator function which I want to apply to both normal function and a generator. When app… Read more Typeerror: 'nonetype' Object Is Not Iterable When Applying Decorator To Generator

Decorating A Class To Monitor Attribute Changes

I want to have classes that automatically send notifications to subscribers whenever one of their a… Read more Decorating A Class To Monitor Attribute Changes