#!/usr/bin/python

import sys

if len(sys.argv) != 3:
   print "Usage: run.py <fichero_marc> <fichero_xml>"
   sys.exit(-1)

f = open(sys.argv[2], "w")
err = open("%s.error" % sys.argv[2], "w")

f.write("""<?xml version="1.0" encoding="iso-8859-1" ?>\n""")
f.write("""<marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim" 
                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
                 xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">\n""")

for r in open(sys.argv[1], "r").readlines():
    try:
       f.write("""%s<marc:record>\n""" % (" "*2))
       f.write("""%s<marc:leader>%s</marc:leader>\n"""  % (" "*4, r[:24]))

       index = 0

       for d in r.split("\x1e")[1:-1]:
          if index == 0:
             controlfield = d
             f.write("""%s<marc:controlfield tag="%s">%s</marc:controlfield>\n"""  % (" "*4, r[24:][:3], controlfield))

          elif len(d) > 0:
             f.write("""%s<marc:datafield tag="%s" ind1="%s" ind2="%s">\n""" % (" "*4, r[24:][(12*index):(12*index)+3],d[0],d[1]))

             for s in d.split("\x1f")[1:]:
                 if len(s) > 0:
                    f.write("""%s<marc:subfield code="%s">%s</marc:subfield>\n""" % (" "*6, s[0],s[1:]))
   
             f.write("""%s</marc:datafield>\n""" % (" "*4))

          index = index + 1

       f.write("""%s</marc:record>\n""" % (" "*2))
    except Exception, msg:
       err.write("%s - %s\n" % (r, msg))

f.write("""</marc:collection>\n""")
f.close()
err.close()