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

Well, this time the release is on time. From internal news: axce1 made the initial version of automatic posting at 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 through the efforts of the user owlman , which for some reason is not on the habr, we have a wonderful logo.


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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 delaying through ansible. Detailed step-by-step instructions and code examples for all operations, so articles can also be used for the initial training of the stack of technologies described in the title.
• How to edit the file in place
  The author offers a convenient procedure for line-by-line file editing in place and describes the shortcomings of other options
• Using BoxLayout in Kivy
  Nice article with code examples and pictures on how to apply layout in the Kivy mobile GUI library that is gaining momentum
• Comparing the performance of template engines
  
• How to prevent pep8-incompatible code from pushing to git repository
  Configuring the git repository so that it rejects attempts to push into it a code that is not validated by the flake8 utility
• Where to begin?
  The author clearly sets out his vision of how to set up a working environment for effective work (virtualenvwrapper, make, tmux, etc.)
• Redis caching
  The basics of an unpretentious system of caching queries to the data warehouse
• We break the mask
  Really serious article about how using Raspberry Pi, Arduino, IR - sensor, OpenCV, as well as a solid dose of patience and enthusiasm to learn to programmatically distinguish ordinary people from those who hide behind a latex mask
• We work with Marconi with 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 Python should replace R as a programming language for scientific computing
  
• Deploying and deploying a django project using fabric
  Rather detailed article about automating routine tasks.
• Optimal QuerySet in Django
  Presentation slides about creating optimal query execution speed in Django ORM. The author goes a bit beyond the prefetch_related and values_list, talks about denormalization, package inserts, etc.
• The results of the conference PyDataNYC 2013
  Summary of a serious conference about data processing and related technologies. Briefly and in the case.
• Making a learning application on Tornado, MongoDB and Angular.js
  It also describes how to build a project on OpenShift from RedHat - which in itself may seem interesting.
• Create an OAuth server
  Creating a server for cross-domain authentication based on Flask-OAuthlib
• How to close the REST API using various authentication methods in Flask
  
• Writing a blog on Flask
  The first part of a series of articles on how to make a blog engine on a stack of technologies Flask-SQLAlchemy, WTForms, Flask-WTF, Flask-Migrate, WebHelpers, PostgreSQL. the second part of
• Easy way to extract text from docx
  
• The subtleties of using Python. Part 1. Versions and compatibility
  Promised a series of articles. Part 2. Data types , Part 3. Functional programming.
• Python version manager
  Options for managing multiple versions of python on the same machine
• Navigation in Django templates
  The author proposes his own solution for finding the active menu item in django templates. As usual on Habré - a lot of great alternatives in kamentah.
• Python in Vim
  

Books and documentation

• Think python
  Free book from the “Learning to Think Like an IT Scientist” series by Allen Downey

Interesting projects, tools, libraries

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

Releases

• django-parsley 0.3
  Support in django is a very popular library for form validation on the client parsley.js
• 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 using greenlets (greenlets) provides a synchronous API on top of the event loop from libevent
• The first beta version of Python 3.4 has been released.