Python-digest # 4. News, interesting projects, articles and interviews [November 23, 2013 - November 29, 2013]

Well, this time release without delay. From internal news: axce1 made the initial version of automatic posting in juick - so that all jabber lovers can read the latest news announcements here . there was also an attempt to post on twitter, but the account was blocked after the first 7 posts - for some reason they didn’t like twitter.


And thanks to the efforts of the owlman user , who for some reason is not on the hub, we have a wonderful logo.

Articles and interviews

• Yield is cool!
  Enthusiastic review with code examples
• Django 1.6, Python 3 & PostGIS
  A series of articles on building from scratch an application for calculating the distance between cities, followed by deployment through ansible. Detailed step-by-step instructions and code examples for all operations, so that the articles can be used for initial training in the technology stack described in the title.
• The way to edit the file in place
  The author offers a convenient procedure for line-by-line editing of the file in place and describes the disadvantages of other options
• Kivy's BoxLayout application
  A good article with code examples and pictures on how to use layout in the Kivy mobile web-based GUI library
• Template Performance Comparison
  
• How to prevent pep8-incompatible code from being pushed into git repository
  Configuring git repository so that it rejects attempts to push code that does not pass validation with flake8 into it
• Where to begin?
  The author freely sets forth his vision on how to set up a working environment for efficient work (virtualenvwrapper, make, tmux, etc.)
• Caching in Redis
  The basics of a simple system for caching queries to the data warehouse
• Tearing off the masks
  A really serious article on how to use Raspberry Pi, Arduino, IR - sensor, OpenCV, as well as a solid dose of patience and enthusiasm to learn how to programmatically distinguish ordinary people from those who hide behind a latex mask
• Working with Marconi using cURL and requests
  Marconi is an open server for working with message queues. The author describes how to be friends with him in Ubuntu
• Why should Python replace R as a programming language for scientific computing
  
• Deploying and deploying a django project using fabric
  A fairly detailed article on automating routine tasks
• Optimal QuerySet in Django
  Presentation slides about creating optimal query execution speed in Django ORM. The author goes a little beyond prefetch_related and values_list, talks about denormalization, batch inserts, etc.
• PyDataNYC 2013 Conference Results
  Summary of a major conference on data processing and related technologies. Briefly and to the point.
• Making a Tornado, MongoDB, and Angular.js Tutorial Application
  Also describes how to deploy a RedHat OpenShift project - which in itself may seem interesting
• We create the OAuth server
  Creation of the server for cross-domain authorization based on Flask-OAuthlib
• How to close REST API with various authorization methods in Flask
  
• Writing a blog on Flask
  The first part of a series of articles on how to make a blog engine on the Flask-SQLAlchemy, WTForms, Flask-WTF, Flask-Migrate, WebHelpers, PostgreSQL technology stack. the second part of
• Easy way to extract text from docx
  
• The intricacies of using Python. Part 1. Versions and compatibility
  A series of articles is promised. Part 2. Data Types , Part 3. Functional Programming
• Python version manager
  options for managing multiple python versions on the same machine
• Navigating in Django templates
  The author offers his own solutions for finding the active menu item in django templates. As usual on a habr - there are many excellent alternative options in kamenty.
• Python in Vim
  

Books and documentation

• Think Python A
  free book from the series “Learning to Think Like an IT Scientist” by Allen Downey

Interesting projects, tools, libraries

• Flask-GoogleMaps
  A set of views and template tags to facilitate integration with GoogleMaps
• PyBitmessage
  Implementation of the P2P protocol for sending encrypted messages from one point to many recipients.
• pylibftdi - manage devices via USB
  Minimal bindings to the libftdi library providing API access to devices connected via USB
• responses - from questions must be answered
  Dropbox is an open source library that allows podstalyat mock-data in response to requests from the library requests
• importd - micro Django
  Something like syntactic sugar that reduces the number of manipulations needed to create pages in Django and write applications in Flask style while maintaining backward compatibility.
• Crossbar.io
  router application. It can both redirect remote procedure calls to their handler applications and also serve as an intermediary for the messenger / subscriber-based messaging system.

Releases

• django-parsley 0.3
  Support in django for a very popular library for validating forms on the parsley.js client
• liches 0.7
  Library and server with a web interface for checking links
• asyncio 0.2.1
  Reference implementation of asynchronous IO for Python 3.3 from Guido
• gevent 1.0 A
  network library that uses greenlets to provide a synchronous API on top of the libevent event loop
• Python 3.4 First Beta Released