smen in python

gistfile1.py

def filterX(image, region):
	return 1.0 

def filterY(image, region):
	return 2.0 


_filters = {
	"principalComponentX" : filterX,
	"principalComponentY" : filterY
}

image = "some image"
regions = ["region a", "region b"]

def scan_image(image, regions, filters):
	for f in filters:
		l = _filters[f]
		for region in regions:
			print l(image, region)

basicFilters = ["principalComponentX", "principalComponentY"]
advancedFiletrs = []


allFilers = _filters.keys()

# scan_image(image, regions, basicFilters + advancedFiletrs)

scan_image(image, regions, allFilers)