Fix bugs in `PlaylistEntries`

yt_dlp/YoutubeDL.py

@@ -1816,7 +1816,7 @@ class YoutubeDL:
         elif self.params.get('playlistrandom'):
             random.shuffle(entries)
 
-        self.to_screen(f'[{ie_result["extractor"]}] Playlist {title}: Downloading {n_entries} videos'
+        self.to_screen(f'[{ie_result["extractor"]}] Playlist {title}: Downloading {n_entries} items'
                        f'{format_field(ie_result, "playlist_count", " of %s")}')
 
         keep_resolved_entries = self.params.get('extract_flat') != 'discard'
@@ -1849,7 +1849,7 @@ class YoutubeDL:
                 resolved_entries[i] = (playlist_index, NO_DEFAULT)
                 continue
 
-            self.to_screen('[download] Downloading video %s of %s' % (
+            self.to_screen('[download] Downloading item %s of %s' % (
                 self._format_screen(i + 1, self.Styles.ID), self._format_screen(n_entries, self.Styles.EMPHASIS)))
 
             extra.update({
@@ -1867,8 +1867,11 @@ class YoutubeDL:
                 resolved_entries[i] = (playlist_index, entry_result)
 
         # Update with processed data
-        ie_result['requested_entries'] = [i for i, e in resolved_entries if e is not NO_DEFAULT]
         ie_result['entries'] = [e for _, e in resolved_entries if e is not NO_DEFAULT]
+        ie_result['requested_entries'] = [i for i, e in resolved_entries if e is not NO_DEFAULT]
+        if ie_result['requested_entries'] == try_call(lambda: list(range(1, ie_result['playlist_count'] + 1))):
+            # Do not set for full playlist
+            ie_result.pop('requested_entries')
 
         # Write the updated info to json
         if _infojson_written is True and self._write_info_json(

yt_dlp/utils.py

@@ -2950,10 +2950,10 @@ class PlaylistEntries:
             self.is_exhausted = True
 
         requested_entries = info_dict.get('requested_entries')
-        self.is_incomplete = bool(requested_entries)
+        self.is_incomplete = requested_entries is not None
         if self.is_incomplete:
             assert self.is_exhausted
-            self._entries = [self.MissingEntry] * max(requested_entries)
+            self._entries = [self.MissingEntry] * max(requested_entries or [0])
             for i, entry in zip(requested_entries, entries):
                 self._entries[i - 1] = entry
         elif isinstance(entries, (list, PagedList, LazyList)):
@@ -3022,7 +3022,7 @@ class PlaylistEntries:
                     if not self.is_incomplete:
                         raise self.IndexError()
                 if entry is self.MissingEntry:
-                    raise EntryNotInPlaylist(f'Entry {i} cannot be found')
+                    raise EntryNotInPlaylist(f'Entry {i + 1} cannot be found')
                 return entry
         else:
             def get_entry(i):