Module features 

Feature directories: prefixes, ordering, selection.

Constants

SPECS

The specs directory.

Functions

collect

Builds and orders the feature list from directory names under specs/, reporting directories without a numeric prefix.

prefix

Splits NNN-name or YYYYMMDD-HHMMSS-name into its prefix, or None when the directory has no numeric prefix.

select

Selects a feature: argument > SPECIFY_FEATURE_DIRECTORY > recorded feature_directory > the only feature.