Pafy – Generating File Name of Stream

In this article we will see how we can generate file name of given youtube video stream in pafy. Pafy is a python library to download YouTube content and retrieve metadata. Pafy object is the object which contains all the information about the given video. Stream is basically available resolution of video is available on youtube. File name is the title of the stream file.
We can get the pafy object with the help of new method and with the help of allstreams attribute we can get the all the streams available for the video, below is the command to get the pafy object for given video 
 

video = pafy.new(url)
streams = video.allstreams

The video url should exist on youtube as it get the information of those videos which are present on the youtube. YouTube is an American online video-sharing platform.
In order to do this we use generate_filename method with the stream object of video 
 

Syntax : stream.generate_filename()
Argument : It takes no argument
Return : It returns string 
 

Below is the implementation 
 

Output : 
 

Generated File Name : DSA Self Paced Course _ GeeksforGeeks.webm

Another example 
 

Output : 
 

Generated File Name : COVID CASE IN OUR BUILDING - VLOG 32.webm