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YouTube Media/Audio Download using Python - pafy
In this article, we will see how to extract details about Youtube videos and download them in different formats using the pafy module. Head over to the link for official documentation.
Install the pafy module using the following command
pip install pafy
If you run the above command, it will generate the following results on the successful installation of the module pafy.
Collecting pafy Using cached https://files.pythonhosted.org/packages/b0/e8/3516f761558525b00d3eaf73744eed5c267db 20650b7b660674547e3e506/pafy-0.5.4-py2.py3-none-any.whl Installing collected packages: pafy Successfully installed pafy-0.5.4
Check whether you can import the pafy module or not by running the following command.
import pafy
If you found no errors then it's done. Otherwise install the following module to solve the problem.
pip install youtube-dl
If you run the above command, it will generate the following results on the successful installation of the module youtube-dl.
Collecting youtube-dl Using cached https://files.pythonhosted.org/packages/b1/ec/fe552181d6bd05a9e5b6b51f6f7ea4fed9f12 1ce595d788217e59318e47c/youtube_dl-2019.7.30-py2.py3-none-any.whl Installing collected packages: youtube-dl Successfully installed youtube-dl-2019.7.30
Youtube Video Details
Steps to extract the details of a videos using the link.
Import the module pafy
Store a link of the video in a variable.
Invoke the pafy.new(url) method and store the result in a variable.
Get all the information about the video using above variable.
Let's see one example.
## importing the module
import pafy
## url of the video
url = "https://www.youtube.com/watch?v=cr3-J5wDLsM"
## calling the new method of pafy
result = pafy.new(url)
## getting details like title, rating, viewcount, author, length, likes, etc..,
print(f"Title: {result.title}")
print(f"Viewcount {result.viewcount}")
print(f"Author: {result.author}")
print(f"Video Length: {result.length}")
print(f"Likes: {result.likes}")
print(f"Dislikes: {result.dislikes}")
print(f"Description: {result.description}")If you run the above program, you will get the following results.
Title: Indexing Overview Viewcount 862 Author: Tutorials Point (India) Pvt. Ltd. Video Length: 167 Likes: 6 Dislikes: 1 Description: Indexing Overview Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Downloading Video In Best Quality
Import the module pafy
Store a link of the video in a variable.
Invoke the pafy.new(url) method and store the result in a variable.
Get the best quality of video using the getbest method using the above previous variable and store in a variable.
Invoke the download method on the previous variable.
See the below example.
## importing the module import pafy ## url of the video url = "https://www.youtube.com/watch?v=cr3-J5wDLsM" ## calling the new method of pafy result = pafy.new(url) ## getting the best quality of video from the 'result' using the getbest() best_quality_video = result.getbest() ## you can print it to see the quality of the video print(best_quality_video) ## download it using the download() best_quality_video.download()
If you run the above program, you will get the following results.
normal:mp4@1280x720 26,638,008 Bytes [100.00%] received. Rate: [ 820 KB/s]. ETA: [0 secs]
You can able to download any type of video using the getbest() methods bypassing the preftype like 3gp, mp4, WebM, etc.., See the below syntax and try it on your own.
## previous steps are same best_quality_video = result.getbest(preftype = "mp4") ## next steps are same
Downloading Audio In Best Quality
Follow the same process as we did to download the video. Invoke the getbestaudio() instead of getbest() and then download it using the download() method. First, try it yourself. If you found it difficult to see the following code.## importing the module
import pafy ## url of the video url = "https://www.youtube.com/watch?v=cr3-J5wDLsM" ## calling the new method of pafy result = pafy.new(url) ## getting the best quality of video from the 'result' using the getbest() best_quality_audio = result.getbestaudio() ## you can print it to see the quality of the video print(best_quality_audio) ## download it using the download() best_quality_audio.download()
If you run the above program, you will get the following results.
audio:m4a@128k 27,518 Bytes [100.00%] received. Rate: [ 306 KB/s]. ETA: [0 secs] 'Indexing Overview.m4a'
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