[cleanup] Minor fixes (See desc)

* [youtube] Fix `--youtube-skip-dash-manifest`
* [build] Use `$()` in `Makefile`. Closes #3684
* Fix bug in 385ffb467b
* Fix bug in 43d7f5a5d0
* [cleanup] Remove unnecessary `utf-8` from `str.encode`/`bytes.decode`
* [utils] LazyList: Expose unnecessarily "protected" attributes
and other minor cleanup

yt_dlp/extractor/dplay.py

@@ -8,6 +8,7 @@ from ..utils import (
     ExtractorError,
     float_or_none,
     int_or_none,
+    remove_start,
     strip_or_none,
     try_get,
     unified_timestamp,
@@ -311,7 +312,7 @@ class DPlayIE(DPlayBaseIE):
     def _real_extract(self, url):
         mobj = self._match_valid_url(url)
         display_id = mobj.group('id')
-        domain = mobj.group('domain').lstrip('www.')
+        domain = remove_start(mobj.group('domain'), 'www.')
         country = mobj.group('country') or mobj.group('subdomain_country') or mobj.group('plus_country')
         host = 'disco-api.' + domain if domain[0] == 'd' else 'eu2-prod.disco-api.com'
         return self._get_disco_api_info(

yt_dlp/extractor/generic.py

@@ -1030,20 +1030,6 @@ class GenericIE(InfoExtractor):
                 'filesize': 24687186,
             },
         },
-        {
-            'url': 'http://thoughtworks.wistia.com/medias/uxjb0lwrcz',
-            'md5': 'baf49c2baa8a7de5f3fc145a8506dcd4',
-            'info_dict': {
-                'id': 'uxjb0lwrcz',
-                'ext': 'mp4',
-                'title': 'Conversation about Hexagonal Rails Part 1',
-                'description': 'a Martin Fowler video from ThoughtWorks',
-                'duration': 1715.0,
-                'uploader': 'thoughtworks.wistia.com',
-                'timestamp': 1401832161,
-                'upload_date': '20140603',
-            },
-        },
         # Wistia standard embed (async)
         {
             'url': 'https://www.getdrip.com/university/brennan-dunn-drip-workshop/',

yt_dlp/extractor/youtube.py

@@ -3173,7 +3173,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             # Eg: __2ABJjxzNo, ySuUZEjARPY
             is_damaged = try_get(fmt, lambda x: float(x['approxDurationMs']) / duration < 500)
             if is_damaged:
-                self.report_warning(f'{video_id}: Some formats are possibly damaged. They will be deprioritized', only_once=True)
+                self.report_warning(
+                    f'{video_id}: Some formats are possibly damaged. They will be deprioritized', only_once=True)
             dct = {
                 'asr': int_or_none(fmt.get('audioSampleRate')),
                 'filesize': int_or_none(fmt.get('contentLength')),
@@ -3222,6 +3223,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         skip_manifests = self._configuration_arg('skip')
         if not self.get_param('youtube_include_hls_manifest', True):
             skip_manifests.append('hls')
+        if not self.get_param('youtube_include_dash_manifest', True):
+            skip_manifests.append('dash')
         get_dash = 'dash' not in skip_manifests and (
             not is_live or live_from_start or self._configuration_arg('include_live_dash'))
         get_hls = not live_from_start and 'hls' not in skip_manifests