trs2srt.py

# Simple script to convert trs files to srt. May not be perfect, so edit this script as necessary.
# Warning, this script is unsafe to use against untrusted data.
# See for more info: https://docs.python.org/3/library/xml.html#xml-vulnerabilities

from datetime import timedelta
from xml.dom import minidom
import srt

subs = []

filename = '20200701 - Mänguri telefon (400+ mängu) - ltJACYtJ3IU.mp4.trs'

# Import trs file
xmldoc = minidom.parse(filename)
itemlist = xmldoc.getElementsByTagName('Turn')

for s in itemlist:
    # Start and end times in timedelta seconds
    startTime = timedelta(seconds=float(s.getAttribute("startTime")))
    endTime = timedelta(seconds=float(s.getAttribute("endTime")))
    line = ""
    for e in s.childNodes:
        # Load text from only textnodes
        try:
            line += e.data
        except AttributeError:
            pass
    line = line.strip()
    subs.append(srt.Subtitle(index=-1, start=startTime, end=endTime, content=line))

# Generate srt
srtout = srt.compose(subs, reindex=True, strict=True)

# Save to file
with open(filename[:-3] + ".srt", "w", encoding="UTF-8") as f:
    f.write(srtout)