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Showing posts with the label Python Decorators

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?

Decorator Error: Nonetype Object Is Not Callable

I wrote a function decorator like this: def tsfunc(func): def wrappedFunc(): print '… Read more Decorator Error: Nonetype Object Is Not Callable

How To Access Variables From A Class Decorator From Within The Method It's Applied On?

NOTE I've compiled an answer based on everything written by @AlexHall and @juanpa.arrivillaga. … Read more How To Access Variables From A Class Decorator From Within The Method It's Applied On?

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

Reassigning Parameters Within Decorators In Python

Consider a simple Python decorator with parameters: def decorator_factory(a=None): def decorato… Read more Reassigning Parameters Within Decorators In Python

How To Catch All Exceptions Raised In Flask_restful App

I do have simple restful app with Flask-Restful from flask import Flask from flask_restful import A… Read more How To Catch All Exceptions Raised In Flask_restful App

Wrapping Class Method In Try / Except Using Decorator

I have a general purpose function that sends info about exceptions to an application log. I use the… Read more Wrapping Class Method In Try / Except Using Decorator

Python: __qualname__ Of Function With Decorator

I'm using a Decorator (class) in an Instance method of another class, like this: class decorato… Read more Python: __qualname__ Of Function With Decorator

How Do I Decorate An Instance Method With Another Class In Python 2.7?

In Python 2.7 I'd like to decorate an instance method test in class Foo with a decorator that i… Read more How Do I Decorate An Instance Method With Another Class In Python 2.7?

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

How A Function In Python Is Getting Called By Just Typing The Name Of Function And Not Using Brackets

First of all to find 'lcm' of two numbers I made a function lcm(a, b). Then I thought of fi… Read more How A Function In Python Is Getting Called By Just Typing The Name Of Function And Not Using Brackets

Functools.update_wrapper() Doesn't Work Properly

I use Functools.update_wrapper() in my decorator, but It seems like update_wrapper rewrites only fu… Read more Functools.update_wrapper() Doesn't Work Properly

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

Mocking Render To Response With Pyramid

I have a decorator that looks like so: def validate_something(func): def validate_s(request): … Read more Mocking Render To Response With Pyramid

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

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

Flask-login Breaks When My Decorator Accepts Parameters

Thanks to what I learned from this question, I've been able to make a Flask-Login process with … Read more Flask-login Breaks When My Decorator Accepts Parameters

How Can I Send Unknown List Of Arguments To A Python Decorator -- When The Decorator Is A Method Of A Different Class?

This question is related to another question I just asked. I have created a python decorator as sho… Read more How Can I Send Unknown List Of Arguments To A Python Decorator -- When The Decorator Is A Method Of A Different Class?

Logging Execution Time With Decorators

After I tried unsuccessfully for a while, I am seeking help from this miraculous website. Now for m… Read more Logging Execution Time With Decorators