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mediacms/files/models/subtitle.py
2025-08-07 13:21:12 +03:00

73 lines
2.0 KiB
Python

import os
import tempfile
from django.conf import settings
from django.db import models
from django.urls import reverse
from .. import helpers
from .utils import subtitles_file_path
class Language(models.Model):
"""Language model
to be used with Subtitles
"""
code = models.CharField(max_length=12, help_text="language code")
title = models.CharField(max_length=100, help_text="language code")
class Meta:
ordering = ["id"]
def __str__(self):
return f"{self.code}-{self.title}"
class Subtitle(models.Model):
"""Subtitles model"""
language = models.ForeignKey(Language, on_delete=models.CASCADE)
media = models.ForeignKey("Media", on_delete=models.CASCADE, related_name="subtitles")
subtitle_file = models.FileField(
"Subtitle/CC file",
help_text="File has to be WebVTT format",
upload_to=subtitles_file_path,
max_length=500,
)
user = models.ForeignKey("users.User", on_delete=models.CASCADE)
class Meta:
ordering = ["language__title"]
def __str__(self):
return f"{self.media.title}-{self.language.title}"
def get_absolute_url(self):
return f"{reverse('edit_subtitle')}?id={self.id}"
@property
def url(self):
return self.get_absolute_url()
def convert_to_srt(self):
input_path = self.subtitle_file.path
with tempfile.TemporaryDirectory(dir=settings.TEMP_DIRECTORY) as tmpdirname:
pysub = settings.PYSUBS_COMMAND
cmd = [pysub, input_path, "--to", "vtt", "-o", tmpdirname]
stdout = helpers.run_command(cmd)
list_of_files = os.listdir(tmpdirname)
if list_of_files:
subtitles_file = os.path.join(tmpdirname, list_of_files[0])
cmd = ["cp", subtitles_file, input_path]
stdout = helpers.run_command(cmd) # noqa
else:
raise Exception("Could not convert to srt")
return True