Python

Python 依赖关系管理工具概述 原文: PyCoder’s Weekly - Issue #423 200603 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 200603 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. 从终端向 Python 传递代码的多种方法 BRETT CANNON You might know about pointing Python to a file path, or using -m to execute a module. But did you know that Python can execute a directory? Or a .zip file? (是也乎: 甚至于还有通过 FaaS 直接远程嗯哼的… ) Python 3.9 的 PEP 们 JAKE EDGE The first Python 3.9 beta release is upon us! Learn what to expect in the final October release by taking a tour of the Python Enhancement Proposals (PEPs) that were accepted for Python 3.9. (是也乎: 老爹离开后, Py 没了缰绳儿, 越来越欢跳了… ) Python 依赖关系管理工具概述 MARIO KOSTELAC While pip is often considered the de facto Python package manager, the dependency management ecosystem has really grown over that last few years. Learn about the different tools available and how they fit into this ecosystem. (是也乎: 可见 pyenv 小出一和了一个多精巧的空间, 夯实了地位 ) 在 Raspberry Pi 上用 Python 构建物理项目 REAL PYTHON In this tutorial, you’ll learn to use Python on the Raspberry Pi. The Raspberry Pi is one of the leading physical computing boards on the market and a great way to get started using Python to interact with the physical world. (是也乎: ) CPython Internals Book (抢先体验折扣 ~ 6折) REAL PYTHON sponsor Unlock the inner workings of the Python language, compile the Python interpreter from source code, and participate in the development of CPython. The new “CPython Internals” book shows you exactly how. 下载示例章节并获得您的早鸟折扣 → (是也乎: 真蟒版"CPython 源代码鉴赏", 距离陈儒当年针对 Python 2.4 写的已经有12年了… ) PSF 董事会提名期延长至6月3日 PYTHON.ORG Qt for Python 5.15.0 发布了! QT.IO (是也乎: Qt 是开源商业成功典范了.. 嗯哼? 能抢到 QT.IO 这个域名也不容易哪… ) 讨论 Discussions ...

2019 Python 开发者问卷结果出来了 原文: PyCoder’s Weekly - Issue #421 200520 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 200520 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. 给 Pythonistas 的分析 Python vs JavaScript for – Real Python REAL PYTHON Python and JavaScript are two of the most popular programming languages in the world. In this tutorial, you’ll take a deep dive into the JavaScript ecosystem by comparing Python vs JavaScript. You’ll learn the jargon, language history, and best practices from a Pythonista’s perspective. (是也乎: 没什么可比的, JS 除了是现今唯一一个真正全栈开发语言之外, 基本没什么吸引力, 而且这点也在被 Py 慢慢赶上… PS: node.js 创始人放弃 node 另开新坑也说明问题所在了. ) Python 开发调查2019年结果 JETBRAINS.COM The results of the 2019 Python Developers Survey, a joint effort from JetBrains and the Python Software Foundation, have been released. Some interesting takeaways: Flask continues to grow as the most popular web framework, about half of Python developers report using pytest for testing, and VS Code continues to grow rapidly in popularity with almost 1/4 Python developers using it as their main editor. Check it out! (是也乎: 仅仅根据 jetbrain 一家内部数据, 也算是代表一部分真实了. ) 通过在公共存储库中反编译 Python 字节码来发现秘密 JESSE LI If you commit .pyc files to GitHub, or other public source control repositories, then all of your application secrets, such as AWS credentials and database passwords, can be reconstructed from the bytecode contained in these files. Python 缓存整数 ARPIT BHAYANI Did you know that Python caches integers between -5 and 256? That is, these integer values are singletons, which means that any reference to one of them in your code references the same object in memory. Learn why Python does this and more in this short, but informative, article. (是也乎: 老爹自己从来不说这种技术细节… ) 优化Django ORM查询 ROCIO ARAMBERRI The Django ORM is powerful, but also abstract. It can give the illusion that operations are inexpensive. Learn how the ORM works under the hood and how you can optimize Django ORM queries to improve the performance of your web apps. Python GitHub迁移工作组在呼吁志愿者！ PYTHON SOFTWARE FOUNDATION The PSF is looking for volunteers to participate in a workgroup that will be involved with Python’s migration from bugs.python.org to GitHub. Python 3.9.0b1 现在可用于测试 CPYTHON DEV BLOG “Python 3.9 is still in development. This release, 3.9.0b1, is the first of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release.” Django 3.1 Alpha 1 发布 DJANGO SOFTWARE FOUNDATION (是也乎: Django 千秋万代一统江湖, 不过, 俺还在用 Bottle. ) Python 3.8.3 已发布 CPYTHON DEV BLOG (是也乎: 昨晚刚刚安装上, 编译速度比 2.7.12 还要快 ) 讨论 Discussions ...

超现代 Python 开发环境配置 原文: PyCoder’s Weekly - Issue #422 200527 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 200527 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. 在异步中等待 HYNEK SCHLAWACK There are many ways to wait on the results of a coroutine in Python’s asyncio framework. They all have different properties and use cases. In this article, they’ve all been collected in one place to help you figure out which one you need. 异步 Python 中的延迟 CHRTIS WELLONS Where does latency in asynchronous programs come from? Explore some common mistakes in asyncio programming, the differences between bounded and unbounded queues, and a suggestion for some best practices for programming with asyncio. 在 Python 中创建和修改 PDF 文件 REAL PYTHON Explore the different ways of creating and modifying PDF files in Python. You’ll learn how to read and extract text, merge and concatenate files, crop and rotate pages, encrypt and decrypt files, and even create PDFs from scratch. (是也乎: ) 防止 SQL 注入: Django 作者的观点 JACOB KAPLAN-MOSS How do you prevent a SQL injection? Learn about best practices and tools for checking for vulnerabilities in a codebase in this post from Django creator Jacob Kaplan-Moss. Python Job Hunting in a Pandemic REAL PYTHON podcast Do you know someone in the Python community who recently was let go from their job due to the pandemic? What does the job landscape currently look like? What are skills and techniques that will help you in your job search? This week Kyle Stratis discusses how he is managing his job search after just being let go from his data engineering job. (是也乎: 其实找工作最佳姿势还是逼工作来找你吧… ) 超现代 Python CLAUDIO JOLOWICZ Opinionated guide to setting up a productive Python environment, including recommendations for testing, linting, documentation, and continuous integration. (是也乎: 居然上了一系列原创飞行艇漫画… 可以说是系列文章入口:2020年写 Python 是什么感觉; 对应 16 年那篇 写JS什么感觉, 早已不是拿起来 notepad 就能写的时代了, 各个环节,都有最佳套件等着你折腾… 当然, 到底上不上, 得看自己或是团队的问题领域… ) 讨论 Discussions ...

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 ...