Python-digest # 17. News, interesting projects, articles and interviews [March 2, 2014 - March 9, 2014]

Today, news about python and nearby technologies turned out to be quite enough. Many thanks to those who send new articles to the tool for creating digests . It looks like the project is starting to move in the right direction.



The illustration from owlman75 is exclusive today - I had to draw it from home by hand. In my opinion, she only benefited from this. In any case, thank you so much to the author.



I also want to congratulate all the girls and women on the last holiday. Let the holidays take place in the calendar, but in the soul remain forever.

')

Articles and Interviews

• Do I need to block the garbage collector?
  
  
• IPython Beginners Guide
  
  
• Criticism of the article Unyielding
  
  In the last issue, we published a link to an article about problems and solutions for parallel code execution . In the current article, the author argues and supplements the arguments of the initiator of the discussion.
• Understanding TDD with Django
  
  A verbose article on the application of test-based programming techniques to create a URL shortening service
• Flask geoip
  
  Briefly about using the pygeoip module together with flask to create a service that retrieves geographic information from an IP address (continent, country, city, time zone, etc.)
• SQLite Detailed Guide
  
  A big, serious article about using sqlite with python
• Using asyncio to speed up data retrieval from web pages
  
  
• Python lessons first day - the basics
  
  In late February, the author announced a two-week series of articles on programming in Python and began with an introductory article . We will follow these lessons and today we offer to view the first day.
• Voice recognition basics with the speech module
  
  
• All about property
  
  Expanded description of the built-in property function and examples of how and when it should be used.
• Stream output of program results
  
  The author is looking for the optimal solution for remote execution of commands on the server through a web interface implemented on Flask and points out some of the pitfalls that may arise along the way of solving similar problems.
• Jinja template engine in examples
  
  
• Accelerate code execution without undue diligence
  
  
• 30 python features you probably didn't know about
  
  Peculiar discussion sammari on reddit
• chatapp - we make modern chat
  
  Chat using socket.io on a stack of Flask and Angular.js
• Making a blog on Django and MongoDB
  
  A very detailed article, but describes what to do, without explaining why
• Django-Rest-Framework - an introduction for beginners
  
  An article on how to implement accessible via the web API, which returns JSON; how to set up serializers for data preparation and processing, and use class-based views to avoid re-writing the same code
• So what's wrong with python?
  
  An interesting discussion on the mailing list. If the community is interested, then I am ready to make a compilation of the FOR and against this conversation in Russian in the form of a separate post.
• Class Attributes: Well, a very detailed guide
  
  As usual in good manuals - with pictures and code examples
• Remove background from image
  
  Solving the traditional problem - highlighting the main object in the photo and deleting everything else with pgmagick
• The concept of OOP in Python 2.x
  
  
• Dockstreaming and various objects
  
  Investigation of the possibility of adding documentation strings (docstrings) to various objects (lambda - functions, standard types, etc.)
• Kpritz - the implementation of the program of fast reading Spritz on kivy
  
  In the last issue, the Russian-speaking author offered a solution on pygame for desktop computers, and here a mobile application for Android
• Apply py2exe correctly
  
  The author offers to our attention an analysis of the difficulties that he faced while packing into the executable file of the youtube-dl-GUI application - using PyQt
• PyLadies: Announcement of a Female Paid Internship for Work in CPython Infrastructure
  
  A scholarship of $ 5,500 to girls and women who want to contribute to the development of the interpreter and the standard library CPython is offered. Applications are accepted until March 19.
• What is a web framework?
  
  The author tries to answer questions about the constituent elements of modern web-frameworks and briefly describe their purpose.
• Writing a simple desktop widget for Ubuntu
  
  Used WebKit, Gtk, Gdk, Gio and the widget is not something specific, but just something like a guide
• Build python from Ubuntu source code using pyenv
  
  

Video

• A series of python short screencasts is open to the public.
  
  Arguments why it is worth paying attention to these screencasts can be obtained on the main page of the project - where the link leads

Interesting projects, tools, libraries

• moma-django - MongoDB support in ORM and admin panel
  
  Also available is a video from the conference where the author talks about the project, as well as presentation slides.
• Nullege: Search engine for Python source code
  
  An interesting search engine that looks for examples of using code.
• Extensions library for Django Rest Framework
  
  Custom caching, etag'i, conditional requests, extensions of serializers, viewer routers and access rights.

Releases

• Nuitka 0.5.1
  
  A wonderful project that allows you to translate python into c ++ code using libpython and compile it into an executable file.
• TurboGears 2.3.2
  
  
• Pyfiglet is now compatible with Python 3
  
  The pyfiglet library allows you to draw inscriptions in the so-called ASCII Art. Now it is compatible with Python 3.