Why?

Some CLI utility apps I want to make have complex logic. After failing two or three times, I realized that to implement such things, imperative code may not be the best thing.

After reading The Elm Architecture (and because I can not learn Elixir or Clojure at the moment) I decided to try to implement the philosophy of Elm and Redux in a Python framework. Python because it

• interacts with system much better than JS
• is cross-platform enough, without being Java which ICNLATM
• comes installed on most systems I'd work on

Take a look at the examples/

You may need to:

export PYTHONPATH=$PWD:$PYTHONPATH

Progress so far

I am focusing on CLI only. So you have to press <Enter> key often.

I am really inspired by the questions posed by Evan in the blockquotes of lessons given at guide.elm-lang.org, as such I have tried to address them all done all three examples

• all signal/msg are derived from a hidden Msg class
• a custom switch case construct is provided, it alerts you when a case is missing, when a case is repeated, or a case is not of Msg type
• whole app's state is in a single immutable dictionary
• (pseudo-)pattern matching