YoutubeDL: rename `_fd_progress_hooks` back to `_progress_hooks`

In the future it may report more things.

test/test_download.py

@@ -90,7 +90,7 @@ def generator(test_case):
         def _hook(status):
             if status['status'] == 'finished':
                 finished_hook_called.add(status['filename'])
-        ydl.add_downloader_progress_hook(_hook)
+        ydl.add_progress_hook(_hook)
 
         def get_tc_filename(tc):
             return tc.get('file') or ydl.prepare_filename(tc.get('info_dict', {}))

youtube_dl/YoutubeDL.py

@@ -167,7 +167,7 @@ class YoutubeDL(object):
         self._ies = []
         self._ies_instances = {}
         self._pps = []
-        self._fd_progress_hooks = []
+        self._progress_hooks = []
         self._download_retcode = 0
         self._num_downloads = 0
         self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
@@ -246,9 +246,9 @@ class YoutubeDL(object):
         self._pps.append(pp)
         pp.set_downloader(self)
 
-    def add_downloader_progress_hook(self, ph):
-        """Add the progress hook to the file downloader"""
-        self._fd_progress_hooks.append(ph)
+    def add_progress_hook(self, ph):
+        """Add the progress hook (currently only for the file downloader)"""
+        self._progress_hooks.append(ph)
 
     def _bidi_workaround(self, message):
         if not hasattr(self, '_output_channel'):
@@ -888,7 +888,7 @@ class YoutubeDL(object):
             else:
                 try:
                     fd = get_suitable_downloader(info_dict)(self, self.params)
-                    for ph in self._fd_progress_hooks:
+                    for ph in self._progress_hooks:
                         fd.add_progress_hook(ph)
                     success = fd.download(filename, info_dict)
                 except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: