Pretty Python Profiling Intermediate Anthony Explains 016

Summary

today I show how I figure out what's slow in a today I talk about how to type annotate a -- fortunately it's really easy! - what is and I actually went a bit further after recording! (it now can reorder all of pre-commit faster than `isort` can import!) - today I show a maintainability recommendation when writing scripts that call commands as well as a bit of caution for BSD ... today I talk about why it's necessary to set `__slots__ = ()` when inheriting from namedtuple classes - namedtuples: ... another performance video! today I show you a surprisingly slow part of flake8 that got fixed in 5.0 - oops spoiler in the thumbnail it's str.partition, oh well -- I today I talk about comprehensions (list, set, dict, generator) and the syntax and how you can think about them as (nested) for loops ... probably the most asked question on my channel -- what are those funny @ signs! I today I talk about the __future__ module (not to be confused with the future module!) and how it affects execution in today I show how I triaged and ultimately fixed a big performance regression in pytest! I walk through the tools and techniques I ... today we take a whirlwind tour of the new sampling today I show how to make a stateful cron using aws lambda -- in it I make a shiny pokemon event den scraper!