Python-digest # 32. News, interesting projects, articles and interviews [July 6, 2014 - July 13, 2014]

The latest news release from the world of Python. We continue to collect for you interesting information about your favorite programming language and nearby technologies.

For the illustration to the post, as before, we thank owlman75 , as well as alrusdi for the birth of the idea of ​​digests and for the fact that I can still publish these digests for you. In this issue, we have prepared a lot of interesting information: programming antipatters, the best unit testing techniques in Django, the conversion of code into beautiful and idiomatic. Also this week there were updates of interesting libraries: spyder 2.3.0, Scrapy 0.24, django-wham and Kallithea.

Articles and Interviews

• Redesign Options API in Django
  Maybe someone will be interested in a person reworking the Options API in Django. Requests feedback and help with optimization.
  
• Why I don’t worry about leaving people using Python
  Actually, a small article is an article with thoughts about the fact that despite some trend with developers moving towards Go, JavaScript, Ruby - this language will remain popular in its niche, as it is difficult to compare it with something convenient
• 33 projects that make development on Django great
  
• OOP concept in Python 2.x
  A series of articles on the use of OOP concepts in Python 2.x
• sh - such integration with system commands that you could only dream of
  The project was previously called pbs - now sh - is a binding around the subprocess and allows you to execute system commands, console programs, and much more inherent in the command interpreter. And it does this in a very nice python-style.
• Data analysis with Python. Basic statistics and data review (Exploratory Analysis)
  In this translation, we consider how to load a data set, consider what variables we are dealing with and draw some first conclusions.
• The best unit testing techniques for Django
  Useful tips for organizing and writing tests
• Antipattern programming
  A small number of examples about how not to write python code
• Store our RSS feeds in Evernote
  An interesting article about how you can monitor your information channels without an RSS aggregator, and save all unread posts in Evernote.
• Advanced Message Queuing Engine
  An article about how to combine client-server applications written in different programming languages ​​into a coherent whole.
• PyPy-STM is the first release worth paying real attention to.
  PyPy seems to have come to such a state that it can really be called “Python without GIL”
• Add interactive graphs to your IPython Notebook. Part 1
  An article with instructions: how to combine d3.js and pandas for interactive data visualization
• Flask-SQLAlchemy caching
  As you know, there are only three problems in programming: cache invalidation, naming, and an error in counting by one. The article describes the approaches and methods for solving the first of the problems. If the implementation does not allow the appearance of the second and third, then it may even work.
• We start creating tasks in Celery
  Good article about deployment and basics of working with Celery
• Convert code to beautiful, idiomatic Python
  Tips on how to give your code beauty.

Video

• The first video based on the book "Writing Idiomatic Python"
  After a successful fundraiser for kickstarter, the first video based on the book “Writing Idiomatic Python” was released.

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Books and documentation

• Glob module
  Documentation on the glob module in Russian.

Interesting projects, tools, libraries

• py-translate 0.1.4
  A simple command line utility to translate text using google translate.
• Template for the new python library
  A good tool to create a PyPI package with all the conveniences of modern integration mechanisms (Travis, Coveralls, AppVeyor, Pytest, Tox, coverage, bumpversion, isort)
• flask-simple 0.0.1
  SimpleDB integration with Flask.
• robobrowser 0.3.1
  RoboBrowser is a simple, Python library for browsing web pages without a stand-alone web browser. RoboBrowser can open a page, click on links and buttons, fill out and submit a form.
• Kallithea - fork of RhodeCode, systems for managing git / hg repositories, written in python
  Some time ago, RhodeCode changed its license to partially closed. Fork is developed by enthusiasts who disagree with this transformation.
• Flask-JIRA-Helper 0.1.2
  Simple JIRA extension for Flask. Supports basic authentication and OAuth, and does not violate PyCharm basic checks.
• django-wham
  REST API disguised as Django ORM models

Releases

• Scrapy 0.24
  Scrapy is a fast high-level testing framework used to test websites and extract the structured data of their pages. It can be used for a wide range of purposes, from data analysis to monitoring and automated testing.
• spyder 2.3.0
  spyder - IDE for interactive computing and data visualization in the style of MATLAB