timestamps

#!/usr/bin/env python
import xml.etree.ElementTree as ET
import json
import time
import sys

guides = "kdenlive:docproperties.guides"
framerate = 30

def find_mainbin(root):
    for child in root:
        if "id" in child.attrib and child.attrib["id"] == "main_bin":
            return child

def find_guides(root):
    for child in root:
        if "name" in child.attrib and child.attrib["name"] == guides:
            return child.text

def parse_guides(guides):
    for guide in guides:
        print(time.strftime('%-M:%S', time.gmtime(guide["pos"]/framerate)), guide["comment"])

if len(sys.argv) == 2:
    tree = ET.parse(sys.argv[1])
    main_bin = find_mainbin(tree.getroot())
    guides = json.loads(find_guides(main_bin))
    parse_guides(guides)
else:
    print("No File")