[core] no sleep affected subtitles only with enforced flag

youtube_dlc/YoutubeDL.py

@@ -1856,12 +1856,14 @@ class YoutubeDL(object):
             # subtitles download errors are already managed as troubles in relevant IE
             # that way it will silently go on when used with unsupporting IE
             subtitles = info_dict['requested_subtitles']
+            ie = self.get_info_extractor(info_dict['extractor_key'])
             for sub_lang, sub_info in subtitles.items():
                 sub_format = sub_info['ext']
                 sub_filename = subtitles_filename(filename, sub_lang, sub_format, info_dict.get('ext'))
                 if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(sub_filename)):
                     self.to_screen('[info] Video subtitle %s.%s is already present' % (sub_lang, sub_format))
                 else:
+                    self.to_screen('[info] Writing video subtitles to: ' + sub_filename)
                     if sub_info.get('data') is not None:
                         try:
                             # Use newline='' to prevent conversion of newline characters
@@ -1873,11 +1875,14 @@ class YoutubeDL(object):
                             return
                     else:
                         try:
-                            dl(sub_filename, sub_info)
-                        except (ExtractorError, IOError, OSError, ValueError,
-                                compat_urllib_error.URLError,
-                                compat_http_client.HTTPException,
-                                socket.error) as err:
+                            if self.params.get('sleep_interval_subtitles', False):
+                                dl(sub_filename, sub_info)
+                            else:
+                                sub_data = ie._request_webpage(
+                                    sub_info['url'], info_dict['id'], note=False).read()
+                                with io.open(encodeFilename(sub_filename), 'wb') as subfile:
+                                    subfile.write(sub_data)
+                        except (ExtractorError, IOError, OSError, ValueError, compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
                             self.report_warning('Unable to download subtitle for "%s": %s' %
                                                 (sub_lang, error_to_compat_str(err)))
                             continue

youtube_dlc/__init__.py

@@ -427,6 +427,7 @@ def _real_main(argv=None):
         'call_home': opts.call_home,
         'sleep_interval': opts.sleep_interval,
         'max_sleep_interval': opts.max_sleep_interval,
+        'sleep_interval_subtitles': opts.sleep_interval_subtitles,
         'external_downloader': opts.external_downloader,
         'list_thumbnails': opts.list_thumbnails,
         'playlist_items': opts.playlist_items,

youtube_dlc/options.py

@@ -580,6 +580,10 @@ def parseOpts(overrideArguments=None):
             'Upper bound of a range for randomized sleep before each download '
             '(maximum possible number of seconds to sleep). Must only be used '
             'along with --min-sleep-interval.'))
+    workarounds.add_option(
+        '--sleep-subtitles',
+        dest='sleep_interval_subtitles', action='store_true', default=False,
+        help='Enforce sleep interval on subtitles as well')
 
     verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
     verbosity.add_option(