欢迎阅读《pythonista周刊》第449期。Let us start 原文: [https://mailchi.mp/pythonweekly/python-weekly-issue-449](https://mail chi.mp/pythonweekly/python-weekly-issue-449) 翻译：Dustyposa 来自赞助商（PS：原文的赞助商）: 使用 Datadog 监控你的python指标，日志，集群分析。使用Datadog的应用分析，可以深入任何纬度并且能找到你所需要的信息，来进行动态诊断和快速故障排除。来免费试用 14 天吧！ ...
神奇/但绝不神秘-直接在shell中运行Py 原文: PyCoder’s Weekly - Issue #420 200513 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 200513 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. 探讨ing: Python 之性能 ANNE-LAURE CIVEYRAC Victor Stinner and Julien Danjou sat down (remotely, that is) with Anne-Laure Civeyrac to talk about Python’s performance. They discuss everything from profiling, why Python is slow, and projects aimed at improving Python’s performance. Check it out! (是也乎: 真杂志. ) 如何移动 Django 模型到另一个应用 REAL PYTHON In this step-by-step tutorial, you’ll learn how to move a Django model from one app to another using Django migrations. You’ll explore three different techniques and learn some helpful guidelines for choosing the best approach for your situation and needs. (是也乎: 所有基于 ORM 框架的必修课 太空鱼雷重装填… ) Naomi Ceder 退出PSF董事会 NAOMI CEDER Naomi Ceder will not be running for re-election to the PSF board of directors. In this blog post, she explains her reasons and thanks the community for the chance to serve. (是也乎: 标准人事变更 ) 轻松并发 Python 的 concurrent.futures REDOWAN DELOWAR • Shared by Redowan Delowar Python’s concurrent.futures module is a high-level interface for the threading and multiprocessing modules. You can use it to effortlessly code asynchronous tasks! 重新映射 Python 操作码 CHRIS LYNE Take a deep dive into .pyc files, opcodes, and disassembling code in this in-depth article about decompiling a .pyc module with obfuscated opcodes. (是也乎: 可以说是商业软件必修课 了… ) Calculating Streaks in Pandas JOSH DEVLIN • Shared by Josh Devlin Identifying streaks can be useful when dealing with sporting statistics, app logins, and more. Learn how to calculate streaks in Python using the pandas library and visualize them using Matplotlib. 讨论 Discussions ...
欢迎阅读《pythonista周刊》第448期。Let us start 原文: https://mailchi.mp/pythonweekly/python-weekly-issue-448 翻译：Dustyposa 来自赞助商（PS：原文的赞助商）: 使用 Datadog 监控你的python指标，日志，集群分析。使用Datadog的应用分析，可以深入任何纬度并且能找到你所需要的信息，来进行动态诊断和快速故障排除。来免费试用 14 天吧！ ...
用 Python 生成无数独特光剑 原文: PyCoder’s Weekly - Issue #419 200506 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 200506 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. Python 3.9 发布规划 PYTHON.ORG In last week’s issue we had the dates mixed up, here are the correct ones: 3.9.0 final is expected to be released on October 5, 2020. On May 18, 2020 3.9.0 beta 1 is going to be released, marking the start of the feature freeze phase. 为什么要记录测试 HYNEK SCHLAWACK Have you ever looked at a test you wrote six months or a year ago and thought, “I know what this test does but why did I test this?” Maybe you should document your tests. (是也乎: 那就直接用 doctest? ) 2020 Python 语言峰会 PYTHON SOFTWARE FOUNDATION This year’s Python Language Summit was held over videoconference. The PSF is posting summaries of the presentations as they become available. (是也乎: 在老爹离开的日子里, Python 果断努力变成 C# ) Regular Expressions: Python中的正则表达式 REAL PYTHON In previous tutorials in this series, you’ve seen several different ways to compare string values with direct character-by-character comparison. In this tutorial, you’ll learn how to perform more complex string pattern matching using regular expressions, or regexes, in Python. 用 Python 生成 10,000 多个独特的 8位 Lightsabers ADAM MCKERLIE • Shared by Adam McKerlie May the Fourth be with you! And also some Python! Adam McKerlie shows us how he used Pillow and Tweepy to make a Twitter bot that tweets a unique lightsaber every day. (是也乎: 神奇了, Jadi 光剑自动生成器, 为每一个小伙伴生成一柄唯一的. ) 探索用于 Python 开发的 Jupyter Notebook 替代方案 CHRIS MOFFITT For many people, the Jupyter Notebook has become the de facto tool for exploratory data analysis. But is it really the bee’s knees? (是也乎: Jupyter 有很多山寨小伙伴, 每一个都作的不错.特别是 VSCode. ) Python 3.9.0a6 现在可用于测试 PYTHON.ORG Django 错误修正版本: 3.0.6 DJANGO SOFTWARE FOUNDATION The Real Python 播客: Łukasz Langa 访谈 REAL PYTHON podcast Łukasz is the release manager for CPython and the creator of the Black code formatter. 讨论 Discussions ...