bpo-36982: Add support for extended color functions in ncurses 6.1 by websurfer5 · Pull Request #13534 · python/cpython

using the extended color functions in ncurses 6.1 when available.

color_content
color_number
init_color
init_pair

to make them simpler and more maintainable

so use #if instead of #ifdef.

to indicate whether extended colors are suported by the underlying
ncurses library.

that is the name of the Python module)