On Sat, Oct 2, 2021 at 2:01 PM Jonathan Crall <erote...@gmail.com> wrote: > > @Steven D'Aprano Yes my original post is somewhat pithy and has some harsh > words for decorators. Like many I have some opinions about code. Don't take > them too seriously if they disagree with your experience, but I do hold my > opinions for reasons, and I will explain some of them, but I don't want to > derail my first python ideas proposal that has gotten some semblance of a > positive reception. > > So I will quickly explain my terse statements in a more professional manner. > And I will note again, these are opinions. > > * Avoid global variables, they make state difficult to reason about. Plenty > of opinions have been written about this. > > * Code runs faster when it's in a function then when it is in a global scope. > I don't have the reference on hand, but I can get it if anyone's interested. > Python is a scripting language, but it's used heavily in production, It's > nice if the efficient way of doing something is natural, intuitive, and easy. > > It's true that it's just a two-line pattern, and not all simplifications of > two line patterns make it into the python standard. But this is an extremely > common two line pattern. One that's often written less efficiently than it > could be. If you already wrote the if statement for name, a new programmer is > not incentivized to write a separate main function and then call it, it would > be simpler if there was some construct that just declared this is the main > function, and then the code inside the function is executed. >
But it's ONLY necessary when a single Python file is used as both a script and a module. Bear that in mind. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/B3RDNS6HB5UIPIGE5E2DEWL5JPC63W24/ Code of Conduct: http://python.org/psf/codeofconduct/
