Appendix A. Python 2 versus Python 3
All the code samples in this book have been written for Python 3.4. Except for very minor changes, they would work in Python 2.7 as well. The author believes that Python 3 has crossed the tipping point for being the preferred choice for new Django projects.
Python 2.7 development was supposed to end in 2015 but was extended for five more years through 2020. There will not be a Python 2.8. Soon all major Linux distributions would have completely switched to using Python 3 as a default. Many PaaS providers such as Heroku already support Python 3.4.
Most of the packages listed in the Python Wall of Superpowers have turned green (indicating that they have support for Python 3). Almost all the red ones have an actively ...
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