notes on config var usage in pyscss

gistfile1.txt

[ok] DEBUG: only used by scss.legacy
VERBOSITY: used in scss.util?
PROJECT_ROOT: only used as a default in scss.config and in a couple tests
[ok] LOAD_PATHS: only used in scss.legacy and scss.tool
ASSETS_ROOT:
    - compass.images, as place to search for image-url()
    - compass.sprites, as place to write out sprite-map()
    - extra, as place to write out background-noise(), background-brushed(), etc.
    - fonts, as place to write out font-sheet()
CACHE_ROOT:
    - compass.sprites, sprite-map()
    - fonts, font-sheet()
STATIC_ROOT:
    - everywhere ASSETS_ROOT is used, as a fallback default (+ assets)
    - compass auto-sprite import syntax
    - compass.helpers: search path for stylesheet-url(), _font_url
    - compass.images: search path for _images_url
    - compass.sprites: search path for sprite-map()
    - fonts: search path for font-sheet()
FONTS_ROOT:
    - compass.helpers: search path for _font_url
IMAGES_ROOT:
    - compass.images: search path for image-url(), image-width(), image-height()
ASSETS_URL:
    - compass.images: base url for _image_url
    - compass.sprites: base url for sprite-map(), sprite(), sprite-url()
    - extra: base url for background-noise(), background-brushed(), etc.
    - fonts: base url for font-sheet(), font-url()
STATIC_URL:
    - compass.helpers: base url for stylesheet-url(), fallback for FONTS_URL in _font_url
    - compass.images: fallback for IMAGES_URL in _image_url
FONTS_URL:
    - compass.helpers: base url for _font_url
IMAGES_URL:
    - compass.images: base url for _image_url
[ok] STYLE: only used in scss.legacy
[ok] CONTROL_SCOPING: only used in scss.legacy
[ok] FATAL_UNDEFINED: only used in scss.legacy
SPRTE_MAP_DIRECTION:
    - compass.sprites: default 'direction' argument for sprite-map()