From d06daf23dae24b0811be704283b4b63689035af3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Wed, 25 Sep 2019 02:08:46 +0700
Subject: [PATCH] [YoutubeDL] Honour all --get-* options with --flat-playlist
 (closes #22493)

---
 youtube_dl/YoutubeDL.py | 62 +++++++++++++++++++++++------------------
 1 file changed, 35 insertions(+), 27 deletions(-)

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 6a44bc7ba..c3d1407f9 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -852,8 +852,9 @@ def process_ie_result(self, ie_result, download=True, extra_info={}):
             extract_flat = self.params.get('extract_flat', False)
             if ((extract_flat == 'in_playlist' and 'playlist' in extra_info)
                     or extract_flat is True):
-                if self.params.get('forcejson', False):
-                    self.to_stdout(json.dumps(ie_result))
+                self.__forced_printings(
+                    ie_result, self.prepare_filename(ie_result),
+                    incomplete=True)
                 return ie_result
 
         if result_type == 'video':
@@ -1693,6 +1694,36 @@ def process_subtitles(self, video_id, normal_subtitles, automatic_captions):
             subs[lang] = f
         return subs
 
+    def __forced_printings(self, info_dict, filename, incomplete):
+        def print_mandatory(field):
+            if (self.params.get('force%s' % field, False)
+                    and (not incomplete or info_dict.get(field) is not None)):
+                self.to_stdout(info_dict[field])
+
+        def print_optional(field):
+            if (self.params.get('force%s' % field, False)
+                    and info_dict.get(field) is not None):
+                self.to_stdout(info_dict[field])
+
+        print_mandatory('title')
+        print_mandatory('id')
+        if self.params.get('forceurl', False) and not incomplete:
+            if info_dict.get('requested_formats') is not None:
+                for f in info_dict['requested_formats']:
+                    self.to_stdout(f['url'] + f.get('play_path', ''))
+            else:
+                # For RTMP URLs, also include the playpath
+                self.to_stdout(info_dict['url'] + info_dict.get('play_path', ''))
+        print_optional('thumbnail')
+        print_optional('description')
+        if self.params.get('forcefilename', False) and filename is not None:
+            self.to_stdout(filename)
+        if self.params.get('forceduration', False) and info_dict.get('duration') is not None:
+            self.to_stdout(formatSeconds(info_dict['duration']))
+        print_mandatory('format')
+        if self.params.get('forcejson', False):
+            self.to_stdout(json.dumps(info_dict))
+
     def process_info(self, info_dict):
         """Process a single resolved IE result."""
 
@@ -1703,9 +1734,8 @@ def process_info(self, info_dict):
             if self._num_downloads >= int(max_downloads):
                 raise MaxDownloadsReached()
 
+        # TODO: backward compatibility, to be removed
         info_dict['fulltitle'] = info_dict['title']
-        if len(info_dict['title']) > 200:
-            info_dict['title'] = info_dict['title'][:197] + '...'
 
         if 'format' not in info_dict:
             info_dict['format'] = info_dict['ext']
@@ -1720,29 +1750,7 @@ def process_info(self, info_dict):
         info_dict['_filename'] = filename = self.prepare_filename(info_dict)
 
         # Forced printings
-        if self.params.get('forcetitle', False):
-            self.to_stdout(info_dict['fulltitle'])
-        if self.params.get('forceid', False):
-            self.to_stdout(info_dict['id'])
-        if self.params.get('forceurl', False):
-            if info_dict.get('requested_formats') is not None:
-                for f in info_dict['requested_formats']:
-                    self.to_stdout(f['url'] + f.get('play_path', ''))
-            else:
-                # For RTMP URLs, also include the playpath
-                self.to_stdout(info_dict['url'] + info_dict.get('play_path', ''))
-        if self.params.get('forcethumbnail', False) and info_dict.get('thumbnail') is not None:
-            self.to_stdout(info_dict['thumbnail'])
-        if self.params.get('forcedescription', False) and info_dict.get('description') is not None:
-            self.to_stdout(info_dict['description'])
-        if self.params.get('forcefilename', False) and filename is not None:
-            self.to_stdout(filename)
-        if self.params.get('forceduration', False) and info_dict.get('duration') is not None:
-            self.to_stdout(formatSeconds(info_dict['duration']))
-        if self.params.get('forceformat', False):
-            self.to_stdout(info_dict['format'])
-        if self.params.get('forcejson', False):
-            self.to_stdout(json.dumps(info_dict))
+        self.__forced_printings(info_dict, filename, incomplete=False)
 
         # Do nothing else if in simulate mode
         if self.params.get('simulate', False):