The following is a limited (no support for lab, hsb or spot color at the moment) python aco -> text dumper. File name needs to be changed to test.aco or change the file name in code
#!/usr/bin/python
# -*- coding: utf-8 -*-
# quick script no warranties whatsoever
import struct
class ColorSwatch():
def __init__(self, fp):
self.rawdata = struct.unpack(">5H",fp.read(10))
namelen, = struct.unpack(">I",fp.read(4))
cp = fp.read(2*namelen)
self.name = cp[0:-2].decode('utf-16-be')
self.typename = self.colorTypeName()
def colorTypeName(self):
try:
return {0:"RGB", 1:"HSB",
2:"CMYK",7:"Lab",
8:"Grayscale"}[self.rawdata[0]]
except IndexError:
print self.rawdata[0]
def __strCMYK(self):
rgb8bit = map(lambda a: (65535 - a)/655.35, self.rawdata[1:])
return "{name} ({typename}): {0}% {1}% {2}% {3}%".format(*rgb8bit,**self.__dict__)
def __strRGB(self):
rgb8bit = map(lambda a: a/256,self.rawdata[1:4])
return "{name} ({typename}): #{0:x}{1:x}{2:x}".format(*rgb8bit,**self.__dict__)
def __strGrayscale(self):
gray = self.rawdata[1]/100.
return "{name} ({typename}): {0}%".format(gray,**self.__dict__)
def __str__(self):
return {0: self.__strRGB, 1:"HSB",
2:self.__strCMYK,7:"Lab",
8:self.__strGrayscale}[self.rawdata[0]]()
with open("test.aco", "rb") as acoFile:
#skip ver 1 file
head = acoFile.read(2)
ver, = struct.unpack(">H",head)
if (ver != 1):
raise TypeError("Probably not a adobe aco file")
count = acoFile.read(2)
cnt, = struct.unpack(">H",count)
acoFile.seek(cnt*10,1)
#read ver2 file
head = acoFile.read(2)
ver, = struct.unpack(">H",head)
if (ver != 2):
raise TypeError("Probably not a adobe aco file")
count = acoFile.read(2)
count, = struct.unpack(">H",count)
for _ in range(count):
swatch = ColorSwatch(acoFile)
print str(swatch)
This question was also posted on Graphic Design Stack Exchange and this is the original answer