[docs,cleanup] Fix linter and misc cleanup

Closes #2419

yt_dlp/YoutubeDL.py

@@ -484,6 +484,7 @@ class YoutubeDL(object):
     extractor_args:    A dictionary of arguments to be passed to the extractors.
                        See "EXTRACTOR ARGUMENTS" for details.
                        Eg: {'youtube': {'skip': ['dash', 'hls']}}
+    mark_watched:      Mark videos watched (even with --simulate). Only for YouTube
     youtube_include_dash_manifest: Deprecated - Use extractor_args instead.
                        If True (default), DASH manifests and related
                        data will be downloaded and processed by extractor.
@@ -3504,7 +3505,7 @@ class YoutubeDL(object):
             delim=self._format_screen('\u2500', self.Styles.DELIM, '-', test_encoding=True))
 
     def render_thumbnails_table(self, info_dict):
-        thumbnails = list(info_dict.get('thumbnails'))
+        thumbnails = list(info_dict.get('thumbnails') or [])
         if not thumbnails:
             return None
         return render_table(

yt_dlp/extractor/abc.py

@@ -300,7 +300,7 @@ class ABCIViewShowSeriesIE(InfoExtractor):
             unescapeHTML(webpage_data).encode('utf-8').decode('unicode_escape'), show_id)
         video_data = video_data['route']['pageData']['_embedded']
 
-        highlight = try_get(video_data, lambda x: ['highlightVideo']['shareUrl'])
+        highlight = try_get(video_data, lambda x: x['highlightVideo']['shareUrl'])
         if not self._yes_playlist(show_id, bool(highlight), video_label='highlight video'):
             return self.url_result(highlight, ie=ABCIViewIE.ie_key())
 

yt_dlp/extractor/archiveorg.py

@@ -440,7 +440,7 @@ class YoutubeWebArchiveIE(InfoExtractor):
         }, {
             'url': 'ytarchive:BaW_jenozKc:20050214000000',
             'only_matching': True
-        },{
+        }, {
             'url': 'ytarchive:BaW_jenozKc',
             'only_matching': True
         },

yt_dlp/extractor/litv.py

@@ -65,7 +65,7 @@ class LiTVIE(InfoExtractor):
         return self.playlist_result(all_episodes, content_id, episode_title)
 
     def _real_extract(self, url):
-        url, data = unsmuggle_url(url, {})
+        url, smuggled_data = unsmuggle_url(url, {})
 
         video_id = self._match_id(url)
 

yt_dlp/extractor/orf.py

@@ -22,7 +22,6 @@ from ..utils import (
     unified_strdate,
     unsmuggle_url,
     url_or_none,
-    urljoin,
 )
 
 

yt_dlp/options.py

@@ -345,7 +345,7 @@ def create_parser():
         help=(
             'Use the specified HTTP/HTTPS/SOCKS proxy. To enable '
             'SOCKS proxy, specify a proper scheme. For example '
-            'socks5://127.0.0.1:1080/. Pass in an empty string (--proxy "") '
+            'socks5://user:pass@127.0.0.1:1080/. Pass in an empty string (--proxy "") '
             'for direct connection'))
     network.add_option(
         '--socket-timeout',

yt_dlp/postprocessor/metadataparser.py

@@ -66,7 +66,7 @@ class MetadataParserPP(PostProcessor):
             self.write_debug(f'Searching for {out_re.pattern!r} in {template!r}')
             match = out_re.search(data_to_parse)
             if match is None:
-                self.report_warning(f'Could not interpret {inp!r} as {out!r}')
+                self.to_screen(f'Could not interpret {inp!r} as {out!r}')
                 return
             for attribute, value in match.groupdict().items():
                 info[attribute] = value
@@ -80,7 +80,7 @@ class MetadataParserPP(PostProcessor):
         def f(info):
             val = info.get(field)
             if val is None:
-                self.report_warning(f'Video does not have a {field}')
+                self.to_screen(f'Video does not have a {field}')
                 return
             elif not isinstance(val, str):
                 self.report_warning(f'Cannot replace in field {field} since it is a {type(val).__name__}')