Very strict in args
from compass import Compass
compass = Compass({
'sass_dir': '/path/must/exists',
'css_dir': '/path/must/exists',
'boring': True,
'relative_assets': True,
'output_style': 'compressed'
})
compass.compile() # run 'compass compile --boring --relative-assets --output-style :compressed --sass-dir /path/must/exists --css-dir /path/must/exists'