Windows Movie Maker で作った xlmp ファイルから字幕だけを取り出す。 ref: http://qiita.com/mzmttks/items/993c111d6ddf3a3425bd

file0.txt

"""
Script Extractor from Windows Movie Maker XML file
This script takes wlmp (Windows Movie Maker file)
as an input, and extracts the text (TitleClip tag).

Author: mzmttks
License: MIT License
"""

import sys
import lxml.etree

try:
    ifile = sys.argv[1]
except:
    err = """ERROR: INPUT_FILE is not given
usage: wlmp2script.py INPUT_FILE
"""
    sys.stderr.writelines(err)
    sys.exit(1)

# open wlmp
with open(ifile) as handle:
    obj = lxml.etree.fromstring(" ".join(handle))

# extract subtitles
textsets = {}
for titleclip in obj.xpath("//TitleClip"):
    strs = u""
    for strset in titleclip.iterdescendants("BoundPropertyStringSet"):
        if strset.attrib["Name"]  != "string":
            continue
        strs = [s.attrib["Value"] for s
                in strset.iterchildren("BoundPropertyStringElement")
                if len(s.attrib["Value"]) > 0]
        strs = map(unicode, strs)
        strs = "\n".join(strs)
    textsets[titleclip.attrib["extentID"]] = unicode.encode(strs, "utf-8")

titles = [e.attrib["id"] for e in obj.xpath("//ExtentRef")]

# output subtitles
for title in titles:
    if title in textsets.keys() and len(textsets[title])>0:
        print textsets[title]
        print