bazarr/bazarr/embedded_subs_reader.py

43 lines
1.5 KiB
Python

import enzyme
import logging
import os
import subprocess
import locale
from config import settings
from utils import get_binary
class NotMKVAndNoFFprobe(Exception):
pass
class FFprobeError(Exception):
pass
class EmbeddedSubsReader:
def __init__(self):
self.ffprobe = get_binary("ffprobe")
def list_languages(self, file):
subtitles_list = []
if os.path.splitext(file)[1] == '.mkv':
with open(file, 'rb') as f:
mkv = enzyme.MKV(f)
for subtitle_track in mkv.subtitle_tracks:
subtitles_list.append([subtitle_track.language, subtitle_track.forced])
else:
if self.ffprobe:
detected_languages = []
try:
detected_languages = subprocess.check_output([self.ffprobe, "-loglevel", "error", "-select_streams", "s", "-show_entries", "stream_tags=language", "-of", "csv=p=0", file.encode(locale.getpreferredencoding())], universal_newlines=True, stderr=subprocess.STDOUT).strip().split("\n")
except subprocess.CalledProcessError as e:
raise FFprobeError(e.output)
else:
for detected_language in detected_languages:
subtitles_list.append([detected_language, False])
# I can't get the forced flag from ffprobe so I always assume it isn't forced
return subtitles_list
embedded_subs_reader = EmbeddedSubsReader()