mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-20 01:42:50 +01:00
8377574c9c
youtube/dailymotion) The structure of subtitles was refined, you only need to implement one method that returns a dictionnary of the available subtitles (lang, url) to support all the subtitle options in a website. I updated the subtitle downloaders for youtube/dailymotion to show how it works.
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
import socket
|
|
|
|
from .common import InfoExtractor
|
|
|
|
from ..utils import (
|
|
compat_http_client,
|
|
compat_urllib_error,
|
|
compat_urllib_request,
|
|
compat_str,
|
|
)
|
|
|
|
|
|
class SubtitlesIE(InfoExtractor):
|
|
|
|
def report_video_subtitles_available(self, video_id, sub_lang_list):
|
|
"""Report available subtitles."""
|
|
sub_lang = ",".join(list(sub_lang_list.keys()))
|
|
self.to_screen(u'%s: Available subtitles for video: %s' %
|
|
(video_id, sub_lang))
|
|
|
|
def _list_available_subtitles(self, video_id):
|
|
sub_lang_list = self._get_available_subtitles(video_id)
|
|
self.report_video_subtitles_available(video_id, sub_lang_list)
|
|
|
|
def _extract_subtitles(self, video_id):
|
|
"""
|
|
Return a dictionary: {language: subtitles} or {} if the subtitles
|
|
couldn't be found
|
|
"""
|
|
sub_lang_list = self._get_available_subtitles(video_id)
|
|
if not sub_lang_list: # error, it didn't get the available subtitles
|
|
return {}
|
|
|
|
if self._downloader.params.get('writesubtitles', False):
|
|
if self._downloader.params.get('subtitleslang', False):
|
|
sub_lang = self._downloader.params.get('subtitleslang')
|
|
elif 'en' in sub_lang_list:
|
|
sub_lang = 'en'
|
|
else:
|
|
sub_lang = list(sub_lang_list.keys())[0]
|
|
if not sub_lang in sub_lang_list:
|
|
self._downloader.report_warning(u'no closed captions found in the specified language "%s"' % sub_lang)
|
|
return {}
|
|
sub_lang_list = {sub_lang: sub_lang_list[sub_lang]}
|
|
|
|
subtitles = {}
|
|
for sub_lang, url in sub_lang_list.iteritems():
|
|
subtitle = self._request_subtitle_url(sub_lang, url)
|
|
if subtitle:
|
|
subtitles[sub_lang] = subtitle
|
|
return subtitles
|
|
|
|
def _request_subtitle_url(self, sub_lang, url):
|
|
try:
|
|
sub = compat_urllib_request.urlopen(url).read().decode('utf-8')
|
|
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
|
|
self._downloader.report_warning(u'unable to download video subtitles for %s: %s' % (sub_lang, compat_str(err)))
|
|
return
|
|
if not sub:
|
|
self._downloader.report_warning(u'Did not fetch video subtitles')
|
|
return
|
|
return sub
|
|
|
|
def _get_available_subtitles(self, video_id):
|
|
"""returns the list of available subtitles like this {lang: url} """
|
|
"""or {} if not available. Must be redefined by the subclasses."""
|
|
pass
|
|
|
|
def _request_automatic_caption(self, video_id, webpage):
|
|
"""Request automatic caption. Redefine in subclasses."""
|
|
"""returns a tuple of ... """
|
|
# return [(err_msg, None, None)]
|
|
pass
|