python new types

gistfile1.md

Lessons

• http://stackoverflow.com/questions/7148419/subclass-dict-userdict-dict-or-abc
  • To create your custom dicts, avoid UserDict, subclass collections.abc.MutableMapping. #py3x
• https://docs.python.org/dev/library/collections.abc.html #py3x
• http://stackoverflow.com/questions/23305359/why-do-python-have-so-many-ways-to-test-for-a-dictionary-type

reference

• http://www.itmaybeahack.com/book/python-2.6/html/p03/p03c04_extending.html