[MoveFiles] More robust way to get final filename

:ci skip dl

youtube_dlc/YoutubeDL.py

@@ -2252,10 +2252,8 @@ class YoutubeDL(object):
                         success, real_download = dl(temp_filename, info_dict)
                         info_dict['__real_download'] = real_download
 
-                # info_dict['__temp_filename'] = temp_filename
                 dl_filename = dl_filename or temp_filename
-                info_dict['__dl_filename'] = dl_filename
-                info_dict['__final_filename'] = full_filename
+                info_dict['__finaldir'] = os.path.dirname(os.path.abspath(encodeFilename(full_filename)))
 
             except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
                 self.report_error('unable to download video data: %s' % error_to_compat_str(err))

youtube_dlc/postprocessor/movefilesafterdownload.py

@@ -22,17 +22,18 @@ class MoveFilesAfterDownloadPP(PostProcessor):
         return 'MoveFiles'
 
     def run(self, info):
-        if info.get('__dl_filename') is None:
-            return [], info
-        self.files_to_move.setdefault(info['__dl_filename'], '')
-        outdir = os.path.dirname(os.path.abspath(encodeFilename(info['__final_filename'])))
+        dl_path, dl_name = os.path.split(encodeFilename(info['filepath']))
+        finaldir = info.get('__finaldir', dl_path)
+        finalpath = os.path.join(finaldir, dl_name)
+        self.files_to_move[info['filepath']] = finalpath
 
         for oldfile, newfile in self.files_to_move.items():
             if not os.path.exists(encodeFilename(oldfile)):
                 self.report_warning('File "%s" cannot be found' % oldfile)
                 continue
             if not newfile:
-                newfile = compat_str(os.path.join(outdir, os.path.basename(encodeFilename(oldfile))))
+                newfile = os.path.join(finaldir, os.path.basename(encodeFilename(oldfile)))
+            oldfile, newfile = compat_str(oldfile), compat_str(newfile)
             if os.path.abspath(encodeFilename(oldfile)) == os.path.abspath(encodeFilename(newfile)):
                 continue
             if os.path.exists(encodeFilename(newfile)):
@@ -48,5 +49,5 @@ class MoveFilesAfterDownloadPP(PostProcessor):
             self.to_screen('Moving file "%s" to "%s"' % (oldfile, newfile))
             shutil.move(oldfile, newfile)  # os.rename cannot move between volumes
 
-        info['filepath'] = info['__final_filename']
+        info['filepath'] = compat_str(finalpath)
         return [], info