--no-progress do not print progress bar
--console-title display progress in console titlebar
-v, --verbose print various debugging information
- --dump-intermediate-pages print downloaded pages to debug problems (very verbose)
+ --dump-pages print downloaded pages to debug problems (very verbose)
--write-pages Write downloaded intermediary pages to files in the current directory to debug problems
--print-traffic Display sent and read HTTP traffic
-C, --call-home Contact the youtube-dl server for debugging.
From a Python program, you can embed youtube-dl in a more powerful fashion, like this:
```python
+from __future__ import unicode_literals
import youtube_dl
ydl_opts = {}
Here's a more complete example of a program that outputs only errors (and a short message after the download is finished), and downloads/converts the video to an mp3 file:
```python
+from __future__ import unicode_literals
import youtube_dl