rebrand.py

import glob
import os
from xml.etree import ElementTree

TEMP = './tmp.svg'

def rebrand(fname, brand):
  svg = ElementTree.parse(fname)
  for e in svg.iterfind(".//{http://www.w3.org/2000/svg}rect[@id='background']"):
    e.set('style', 'fill:url(#%s);' % (brand,))
  svg.write(TEMP)

for fname in glob.glob('*svg'):
  print fname
  rebrand(fname, "RHEL7")
  #os.system("inkscape --vacuum-defs -l ../getting-started/C/figures/%s %s" % (fname, TEMP))
  #os.unlink(TEMP)

rebrand.rb

#!/usr/bin/env ruby

require "rexml/document"
include REXML

def rebrand(fname, brand)
  svg = Document.new(File.new(fname, 'r'))
  temp = 
  svg.root.each_element("/svg/g/rect[@id='background']") do |e|
    e.attributes["style"] = "fill:url(##{brand});"
    puts e
  end
  temp_f = File.new(TEMP,'w+')
  temp_f.puts svg
  temp_f.close
end

TEMP = './tmp.svg'

Dir.glob("*svg") do |fname|
  puts fname
  rebrand(fname, "RHEL7")
  system "inkscape --vacuum-defs -l ../getting-started/C/figures/#{fname} #{TEMP}"
  File.delete(TEMP)
end