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Pafy – Getting Extension of Stream

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In this article we will see how we can get the appropriate extension of the 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. Extension is basically the format type of the stream, possible values of extension are: 3gp, m4a, m4v, mp4, webm, ogg. We can get the pafy object with the help of new method and with the help of allstreams attribute we can get 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 extension attribute with the pafy object of video

Syntax : video.extension Argument : It takes no argument Return : It returns string

Below is the implementation 

Python3

# importing pafy
import pafy
   
# url of video
url = "https://www.youtube.com / watch?v = vG2PNdI8axo"
   
# getting video
video = pafy.new(url)
 
# getting all the available streams
streams = video.allstreams
 
 
# selecting one stream
stream = streams[7]
 
# getting extension of the stream
value = stream.extension
 
# printing the value
print("Extension : " + str(value))

                    

Output :

Extension : webm

Another example 

Python3

# importing pafy
import pafy
   
# url of video
url = "https://www.youtube.com / watch?v = i6rhnSoK_gc"
   
# getting video
video = pafy.new(url)
 
# getting all the available streams
streams = video.allstreams
 
# selecting one stream
stream = streams[4]
 
 
# getting extension of the stream
value = stream.extension
 
# printing the value
print("Extension : " + str(value))

                    

Output :

Extension : webm


Last Updated : 15 Mar, 2023
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