# raspi 2008
# käyttää lxml:ää  ( http://codespeak.net/lxml/ )
# tulostaa:
#
# filename: test.txt
# data:
# test

import sys, string, os
from lxml import etree
from lxml import objectify

xml = """
<content filename="test.txt">
  <bytes offset="0">
    <bit number="0" isset="False" />
    <bit number="1" isset="True" />
    <bit number="2" isset="True" />
    <bit number="3" isset="True" />
    <bit number="4" isset="False" />
    <bit number="5" isset="True" />
    <bit number="6" isset="False" />
    <bit number="7" isset="False" />
  </bytes>
  <bytes offset="1">
    <bit number="0" isset="False" />
    <bit number="1" isset="True" />
    <bit number="2" isset="True" />
    <bit number="3" isset="False" />
    <bit number="4" isset="False" />
    <bit number="5" isset="True" />
    <bit number="6" isset="False" />
    <bit number="7" isset="True" />
  </bytes>
  <bytes offset="2">
    <bit number="0" isset="False" />
    <bit number="1" isset="True" />
    <bit number="2" isset="True" />
    <bit number="3" isset="True" />
    <bit number="4" isset="False" />
    <bit number="5" isset="False" />
    <bit number="6" isset="True" />
    <bit number="7" isset="True" />
  </bytes>
  <bytes offset="3">
    <bit number="0" isset="False" />
    <bit number="1" isset="True" />
    <bit number="2" isset="True" />
    <bit number="3" isset="True" />
    <bit number="4" isset="False" />
    <bit number="5" isset="True" />
    <bit number="6" isset="False" />
    <bit number="7" isset="False" />
  </bytes>
</content>
"""

root = objectify.fromstring(xml)

filename = root.get("filename")
data = []

for byte in root.iterchildren():
  bits = []
  for bit in byte.iterchildren():
    isset = bit.get("isset")
    if isset == "True":
      bits.append("1")
    else:
      bits.append("0")

  byte = "".join(bits)
  data.append(chr(int(byte, 2)))

print "filename: %s" % filename
print "data:"
print "".join(data)