Today I learned how to use named tuples to improve readability and flexibility of test parametrisations in pytest. Better test parametrisation in pytest Today I attended a pytest tutorial at PyCon DE and I learned a couple of really neat tricks to improve parametrised tests. Let’s take a look...

   Today I learned about the parameter match used in pytest.raises. pytest.raises: parameter match Today I attended a pytest tutorial at PyCon DE and very early in the tutorial I learned about the parameter match that you can use with pytest.raises. The parameter match accepts a regex pattern...

   In this opinion piece the author expresses his views on what makes a good Python tutorial and how that differs from a long talk. A tutorial is not a long talk Bart Simpson internalising the message of this opinion piece. The title of the article should say it all but I’ll elaborate a bit on what...

   Explore what Python could look like if we got rid of all of its synthatic sugar. Hold my parentheses light: now with zero sugar Given a string representing a parenthesised expression like x , how can we figure out if the expression is correctly parenthesised In the last article I solved...

   Explore unusual Python features to solve the problem of determining whether an expression is properly parenthesised. Hold my parentheses Given a string representing a parenthesised expression like x , how can we figure out if the expression is correctly parenthesised In this article I...

   This article shares some of the lessons I learned from working full time on a FOSS project for days. days working full time on FOSS: lessons learned From the th of November of to the st of March of I worked full time on a FOSS project. This article is an account of some of...

   How can you find the longest substring that contains only unique characters Longest unique substring In this article I’ll share a coding challenge with you. Then, I’ll analyse different approaches to solving this problem, talking about the advantages and disadvantages of each one in terms of...

   Today I learned how to use the function operator.methodcaller. operator.methodcaller The function methodcaller from the module operator is similar to the functions itemgetter and attrgetter. Its only required argument is a string with the name of a method and its return value is a function that...

   Today I learned how to use the dunder method init subclass to be notified when a class is subclassed. init subclass The dunder method init subclass is a class method that Python runs when a subclass of that class is instantiated. The snippet below sums it all: class Parent: def ...

   Today I learned how to issue user warnings like DeprecationWarnings or SyntaxWarnings. Issue user warnings Every once in a while I see a DeprecationWarning when I’m doing some coding. Last time I saw it, I think it was in some pandas code in my pandas and matplotlib tutorial with Pokémon. Today I...