Python Bytes

Sponsored by us! Support our work through: Our courses at Talk Python Training Test & Code Podcast Patreon Supporters Special guest: Shari Eskenas Catch the video edition live stream on YouTube Watch on YouTube Be part of the episode by subscribing and “smashing that bell” over at pythonbytes.fm/youtube Brian #1: pytest 6.2 is out pytester fixture for plugin testing. Like testdir, but a better name, and uses pathlib.Path objects. verbose mode now shows the reason a test was skipped in the terminal line after the SKIPPED, XFAIL, or XPASS Can use monkeypatch as a context manager with .context() and it’s available both in test and fixture functions, but also in helper functions by using pytest.Monkeypatch.context(). import os from contextlib import contextmanager import pytest def test_foo_1(monkeypatch): with monkeypatch.context() as mp: mp.setenv("foo", "bar") assert os.getenv("foo") == "bar" @contextmanager def some_func(): w

Sponsored by Techmeme Ride Home podcast: pythonbytes.fm/ride Special guest: Matthew Feickert Live streamed on Youtube: youtube.com/watch?v=ug3OR-BQ7Hw Brian #1: Introducing FARM Stack - FastAPI, React, and MongoDB Aaron Basset Describes a todo CRUD application, available on github, to show the concepts in action. Animated gif showing how to use the FastAPI interactive documentation to understand the API in a browser. Shows How app connects to routes and endpoints. The run call with uvicorn to get an async even loop going Connecting to a MongoDB database Defining models and how easy it is to set up a schema. Discusses routes and endpoints and how to hook up all the CRUD endpoints. The React bit is an application that changes as you modify the elements through the endpoint interactive session. Very cool way to work and get something running fast. Michael #2: py-applescript How would you like to automate your mac with Python rather than the dreadful AppleScript? py-applescript is an easy-to-use Pytho

The live stream recording on YouTube. Special guest: Jay Miller Sponsored by us! Support our work through: Our courses at Talk Python Training Test & Code Podcast Patreon Supporters Brian #1: Analyzing Kickstarter Campaigns with Python Data Science Tools Article title: “Kickstarter Projects — Do They Succeed?” Aditya Patkar Using a Kaggle dataset of 378,661-ish projects up to 2018. Looks at using pandas data frames to explore the data. Using .describe() data frame method to learn a lot. Uses matplotlib and seaborn to analyze the data further. Odd statement that I’m not sure is straight faced or a really dry joke: “The data from 1970 seems to be bad or insignificant data.” Examples of using heat maps, line graphs, bar charts, to look at different aspects. Some results: 35.64% of projects are successful (meaning goal hit) tech asks for the most for goals, and has the highest average per backer. Comics has the lowest pledged amount per backer average. Nice that you can use the techniques to ask yo

Sponsored by us! Support our work through: Our courses at Talk Python Training Test & Code Podcast Patreon Supporters Michael #1: Running Python on .NET 5 by Anthony Shaw Talked about pyjion way back when on episode 49 with Brett Cannon. .NET 5 was released on November 10, 2020. It is the cross-platform and open-source replacement of the .NET Core project and the .NET project that ran exclusively on Windows since the late 90’s. See the conference about it if you want to go deeper. Performance: I just saw a SO post about someone complaining their Python was 31x slower than C#. The most common way around this performance barrier is to compile Python extensions from C or using something like Cython. .NET 5 CLR comes bundled with a performant JIT compiler (codenamed RyuJIT) that will compile .NETs IL into native machine instructions on Intel x86, x86-64, and ARM CPU architectures. Pyjion is a project to replace the core execution loop of CPython by transpiling CPython bytecode to ECMA CIL and then using

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