14.3. PickList.lookupName(): Convert a color name
to a color value
This method uses the internal self.__colorMap
dictionary to lookup color names and, if found, return the
corresponding color value as a Color instance.
huey
# - - - P i c k L i s t . l o o k u p N a m e
def lookupName ( self, colorName ):
"""Look up a color name.
"""
#-- 1 --
# [ colorKey := colorName, uppercased ]
colorKey = colorName.upper()
#-- 2 --
# [ if colorKey is a key in self.__colorMap ->
# return the corresponding value
# else ->
# return None ]
try:
index, color, name = self.__colorMap[colorKey]
return color
except KeyError:
return None
