dcpsubs2srt.py

import sys
from lxml import etree

filename = sys.argv[1]
srt_file = filename +'.srt'

dcp_subtitle = etree.parse(filename)
total_subtitles = int(dcp_subtitle.xpath('count(//Subtitle)'))
counter = 0

with open(srt_file, "w") as myfile:
       print  srt_file,' created'

while counter < total_subtitles:
    xpath_counter = counter + 1
    in_point      = dcp_subtitle.xpath('//Subtitle')[counter].attrib['TimeIn']
    out_point     = dcp_subtitle.xpath('//Subtitle')[counter].attrib['TimeOut']
    in_point      = in_point[:8]  + '.' + in_point[9:]
    out_point     = out_point[:8] + '.' + out_point[9:]

    with open(srt_file, "a") as myfile:
        myfile.write(str(counter + 1) + '\n')
        myfile.write(in_point + ' --> ' + out_point + '\n')
        subtitle_text =  [subtitle_text.text for subtitle_text in dcp_subtitle.iterfind('.//Subtitle[%s]/Text' % int(xpath_counter) ) ]
        for i in subtitle_text:
                myfile.write(i + '\n')
        myfile.write('\n')
        
    counter +=1