import numpy as np
import matplotlib.pyplot as plt

# Get a list of the colormaps in matplotlib.  Ignore the ones that end with
# '_r' because these are simply reversed versions of ones that don't end
# with '_r'
maps = sorted(m for m in plt.cm.datad if not m.endswith("_r"))

for i,m in enumerate(maps):

    print "exporting colourmap: " + m

    f = open(m,'w')

    cmap=plt.get_cmap(m)
    for i in range(256):
        val = tuple(int(x*255) for x in cmap(i))
        f.write(str(val[0]) + '\t' + str(val[1]) + '\t' + str(val[2]) + '\n')

    f.close()