原文: PyCoder's Weekly - Issue #361

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• Python 中的线程介绍
  • REAL PYTHON

In this intermediate-level tutorial, you'll learn how to use threading in your Python programs. You'll see how to create threads, how to coordinate and synchronize them, and how to handle common problems that arise in threading.

(是也乎:

真蟒, 系列插图, 真香...

)

• Python 到底是 Pass-By-Reference 或 Pass-By-Value? (2014)
  • ROBERT HEATON

A great explanation of Python's argument-passing semantics.

(是也乎:

参数传递的一次嗯哼...

手绘万岁...

)

• 如何在不破坏遗留代码的情况下更改功能
  • KSHITIJ CHAWLA

Step by step post about how the author used Python's decorator feature to change a piece of user facing functionality without breaking existing user code that uses it.

(是也乎:

非常实用以及血泪经验了..

)

• 解构xkcd＃1987(Python环境)
  • BRETT CANNON

Brett breaks down the famous Python-related xkcd #1987 comic in an attempt to try an de-mystify what has happened to the artist's laptop. Fun read!

(是也乎:

对 1987 号漫画的详细解析...痛泪满面...

)

• Python中面向对象编程(OOP)简介
  • REAL PYTHON video

Learn the fundamentals of object-oriented programming (OOP) in Python and how to work with classes, objects, and constructors.

(是也乎:

叕一次, OOP 了 Python

)

• 为什么计算浮动列表的平均值如此之难?

  • DAVID R. MACIVER

• CPython 3.7.3 已释放

  • PYTHONINSIDER.BLOGSPOT.COM

Read the changelog here

讨论

Discussions

• 当您尝试选择有意义的变量名称时...
  • TWITTER.COM/REALPYTHON

(是也乎:

嫑哭...嫑哭...嫑哭...

)

• What Is Your Job Title and How Do You Use Python in Your Job?
  • REDDIT

文章,教程和嗯哼

Articles, Tutorials and Talks

• 如何将 Django admin 变成轻量级仪表板
  • HAKI BENITA

How to turn Django Admin into a lightweight dashboard by adding a chart and a summary table. Recommended reading for Django Admin hackers :)

(是也乎:

)

• Django Migrations 101
  • REAL PYTHON video

Get comfortable with Django migrations and learn how to create database tables without writing any SQL, how to automatically modify your database after you changed your models, and how to revert changes made to your database.

(是也乎:

Migrations 这是 Django 强大的工具, 也是持有的问题..

)

• wxPython 中的 Async/Await
  • ANDY BULKA • Shared by Andy Bulka

How to use async/await in wxPython with the wxasync library.

• 使用 Ephemeral Python Docker 容器作为 CLI 应用程序
  • PRESLAV RACHEV

How to use Docker containers to sandbox the complex inner workings of a Python command-line (CLI) application.

• 适用于 Python 的多阶段 Docker 构建: Virtualenv, --user , 以及 Other Methods
  • ITAMAR TURNER-TRAURING

Learn the basics of Docker multi-stage builds for Python apps.

(是也乎:

Docker 也没办法一把解决 Python 运行时环境问题... )

• 用于逆向工程的Python 1:ELF二进制文件
  • ICYPHOX.SH

"Building your own disassembly tooling for fun and profit."

• Monolith vs Microservices: 来自 Python "规模"故事
  • JAMES LIM

Going from monoliths to microservices, and back?

(是也乎:

没有银弾...没有银弾...没有银弾...

)

• Python's "else" 条件循环
  • REUVEN LERNER

With for and while loops in Python, the else clause is executed if the loop reached its natural end without encountering a break statement.

好物

Interesting Projects, Tools and Libraries

• PyPy v7.1 Released
  • PYPY STATUS BLOG

The biggest change is that PyPy now uses utf-8 internally for unicode strings.

(是也乎:

当年是真没想到这项目能活下来...

)

• pyright: Static Type Checker for Python
  • GITHUB.COM/MICROSOFT

Microsoft launched a static type checker for Python, written in TypeScript. They claim that "Pyright is typically 5x or more faster than mypy and other type checkers that are written in Python."

(是也乎:

已经被刷屏的 M$ 家 PEP8 作品. )

• lark: Modern Parsing Library for Python
  • GITHUB.COM/LARK-PARSER

(是也乎:

叕一个语法解析库.

)

• pywol: Wake-On-Lan Tool Written in Python

  • GITHUB.COM/ERBERLIN

• iTerm2 Gets a Python API

  • ITERM2.COM

iTerm 2 is a fantastic terminal emulator for macOS. And now it has a spiffy new Python API.

(是也乎:

嗯哼? 可以说喜大普奔?

)

• d6tflow: Library for Building Highly Effective Data Science Workflows
  • GITHUB.COM/D6T

(是也乎:

实效数据科学工作流? 就是数据清洗的标准化?

)

• juniper: CLI for Packaging Lambda Functions
  • GITHUB.COM/EABGLOBAL • Shared by Pedro Diaz (PythonistaCafe

📆🐍 活动/大会

Events

• ⋅ PuPPy Annual Benefit: Discussion About the Past and Future of Language Design

A historic discussion of language creators about the past and future of language design. Great lineup of guests, including Guido.

• ⋅ ⋅ DjangoCon US 2019 Returns to San Diego
  • The DjangoCon US 2019 conference will return to San Diego,
  • California, from September 22-27, 2019.
• ⋅ PyWeek 27
  • March 24 to April 1, 2019
• ⋅ PythOnRio Meetup
  • 意大利? March 30, 2019
• ⋅ PyDelhi User Group Meetup
  • 印度 March 30, 2019
• ⋅ Melbourne Python Users Group, Australia
  • 澳洲 1, 2019
• ⋅ Dominican Republic Python User Group
  • 多米尼加共和国 April 2, 2019
• ⋅ Moscow Python Conf++ 2019
  • 俄国 2019 April 5 to April 6, 2019

DAMA

❤️ Happy Pythonic!

(大妈私人无责任播报)

• Code. Changing it without breaking it, using a Decorator. - DEV Community 👩‍💻👨‍💻
  • 666
• 蟒营 Python 入门班
  • 嗯哼...

是也乎

• 190329 Zoom.Quiet(大妈) 用时 42 分钟 完成快译
• 190328 Zoom.Quiet(大妈) 用时 17 分钟 完成格式转抄.