You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
11 years ago
|
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)
|
||
|
|
sub_format = self._downloader.params.get('subtitlesformat')
|
||
|
|
if not sub_lang_list: #There was some 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 in sub_lang_list:
|
||
|
|
subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
|
||
|
|
if subtitle:
|
||
|
|
subtitles[sub_lang] = subtitle
|
||
|
|
return subtitles
|
||
|
|
|
||
|
|
def _request_subtitle(self, sub_lang, sub_name, video_id, format):
|
||
|
|
""" Return the subtitle as a string or None if they are not found """
|
||
|
|
# return (u'Did not fetch video subtitles for %s' % sub_lang, None, None)
|
||
|
|
self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
|
||
|
|
url = self._get_subtitle_url(sub_lang, sub_name, video_id, format)
|
||
|
|
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):
|
||
|
|
"""Get available subtitles. Redefine in subclasses."""
|
||
|
|
"""returns {(lang, url)} """
|
||
|
|
# return {}
|
||
|
|
pass
|
||
|
|
|
||
|
|
def _get_subtitle_url(self, sub_lang, sub_name, video_id, format):
|
||
|
|
"""returns the url for the given subtitle. Redefine in 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
|