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Home > Python Bytes > #330 Your data, validated 5x-50x faster, coming soon


	Podcast:		Python Bytes
	Episode:		#330 Your data, validated 5x-50x faster, coming soon
	Category:		Technology
	Duration:		00:34:25
	Publish Date:		2023-04-06 08:00:00
	Description:		Watch on YouTube About the show Sponsored by Influxdb Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Pydantic V2 Pre Release Terrence Dorsey & Samuel Colvin Alpha release available to everyone: `pip install --pre -U "pydantic>=2.0a1"` Headlines: pydantic-core - all validation logic rewritten in Rust and moved to separate package, `pytest-core` 5-50x faster separation will aid safety and maintainability Lots ready for experimentation BaseModel, Dataclasses, Serialization, … Much still under construction Docs, BaseSettings→ pydantic-settings, … Michael #2: microdot The impossibly small web framework for Python and MicroPython Microdot is a minimalistic Python web framework inspired by Flask, and designed to run on systems with limited resources such as microcontrollers. It runs on standard Python and on MicroPython. Support for async, websockets, tls, even ASGI servers. Less mem usage by a big margin. Brian #3: GitHub Actions Tools: watchgha, build and inspect, and pytest annotate failures watchgha Ned Batchelder Watch GH Actions progress on the command line build-and-inspect-python-package Hynek Test the build of wheels, check contents, lint README print sdist contents, wheel contents, and metadata pytest-github-actions-annotate-failures utgwkk Nice traceback annotations for pytest Michael #4: PEP 709 – Inlined comprehensions by Carl Meyer Comprehensions are currently compiled as nested functions, which provides isolation of the comprehension’s iteration variable, but is inefficient at runtime. This PEP proposes to inline list, dictionary, and set comprehensions into the code where they are defined, and provide the expected isolation by pushing/popping clashing locals on the stack. This change makes comprehensions much faster: up to 2x faster for a microbenchmark of a comprehension alone. Extras Michael: Python Web Apps that Fly with CDNs Course Joke: Can’t watch movies
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