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Youtube Data API for handling videos | Set-4
  • Last Updated : 10 Jan, 2019

Prerequisite: Youtube Data API for handling videos | Set-1, Set-2, Set-3

In this article we will discuss two methods related to video: Update a Video, Delete a Video.

Updating a video and deleting an uploaded video requires user’s authorization, so we will be creating OAuth type of credential for this example. Follow the steps below to generate a Client Id and a Secret Key.

  1. Go to Google Google Developers Console and Click on Sign In in the upper rightmost corner of the page. Sign In using the credentials of the valid Google Account. If you don’t have a google account, setup an account first and then use the details to Sign In on the Google Developers Homepage.
  2. Now navigate to the Developer Dashboard and create a new Project.
  3. Click on Enable API option.
  4. In the search field, search for Youtube Data API and select the Youtube Data API option that comes in the drop down list.
  5. You will be redirected to a screen that says information about the Youtube Data API, along with two options : ENABLE and TRY API.
  6. Click on ENABLE option to get started with the API.
  7. In the sidebar under APIs & Services, select Credentials.
  8. At the top of the page, select the OAuth consent screen tab. Select an Email address, enter a Product name if not already set, and click the Save button.
  9. In the Credentials tab, select the Create credentials drop-down list, and choose OAuth Client Id. OAuth is generally used where authorization is required like in the case of retrieving liked videos of a user.
  10. Select the application type Other, enter the name “YouTube Data API Myvideos”, and click the Create button and Click OK.
  11. Click on Download button to the right of the client Id to download the JSON file.
  12. Save and rename the file as client_secret.json and move it to the working directory.

Install additional libraries using the pip command:

pip install --upgrade google-auth google-auth-oauthlib google-auth-httplib2

Code to Update a Video: This example shows how to update video attributes by using Id(Video ID) as the Key attribute. We have updated the attributes of previously uploaded video. Following updations are made:



  • CategoryId: Changed from 27(Education) to 24(Entertainment)
  • Description: Changed from “Sample Learn ABC Video” to “This is the ABC Learning Video”
  • Title: Changed from “Sample Test video upload” to “ABC Learn Video”

The properties id, snippet.title, snippet.categoryId are mandatory, all other properties are optional. Video Id can be determined by playing the video in youtube and copy pasting the alphanumeric series appearing after the = sign. For example, in the URL- https://www.youtube.com/watch?v=rfscVS0vtbw (Video Id is – rfscVS0vtbw).

Below is the code:




import os
import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from google_auth_oauthlib.flow import InstalledAppFlow
  
# The CLIENT_SECRETS_FILE variable specifies
# the name of a file that contains
# client_id and client_secret.
CLIENT_SECRETS_FILE = "client_secret.json"
  
# This scope allows for full read/write 
# access to the authenticated user's account
# and requires requests to use an SSL connection.
API_SERVICE_NAME = 'youtube'
API_VERSION = 'v3'
  
def get_authenticated_service():
    flow = InstalledAppFlow.from_client_secrets_file(
                           CLIENT_SECRETS_FILE, SCOPES)
                             
    credentials = flow.run_console()
    return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)
  
def print_response(response):
    print(response)
  
# Build a resource based on a list of 
# properties given as key-value pairs.
# Leave properties with empty values
# out of the inserted resource.
def build_resource(properties):
    resource = {}
      
    for p in properties:
        # Given a key like "snippet.title", split
        # into "snippet" and "title", where
        # "snippet" will be an object and "title" 
        # will be a property in that object.
        prop_array = p.split('.')
        ref = resource
        for pa in range(0, len(prop_array)):
        is_array = False
        key = prop_array[pa]
      
        # For properties that have array values,
        # convert a name like "snippet.tags[]" to
        # snippet.tags, and set a flag to handle
        # the value as an array.
        if key[-2:] == '[]':
            key = key[0:len(key)-2:]
            is_array = True
      
        if pa == (len(prop_array) - 1):
              
            # Leave properties without values
            # out of inserted resource.
            if properties[p]:
            if is_array:
                ref[key] = properties[p].split(', ')
            else:
                ref[key] = properties[p]
                  
        elif key not in ref:
            # For example, the property is "snippet.title",
            # but the resource does not yet have a "snippet"
            # object. Create the snippet object here.
            # Setting "ref = ref[key]" means that in the
            # next time through the "for pa in range ..." loop,
            # we will be setting a property in the
            # resource's "snippet" object.
            ref[key] = {}
            ref = ref[key]
        else:
            # For example, the property is
            # "snippet.description", and the resource
            # already has a "snippet" object.
            ref = ref[key]
    return resource
  
# Remove keyword arguments that are not set
def remove_empty_kwargs(**kwargs):
    good_kwargs = {}
    if kwargs is not None:
        for key, value in kwargs.items():
        if value:
            good_kwargs[key] = value
    return good_kwargs
      
def videos_update(client, properties, **kwargs):
    resource = build_resource(properties)
    kwargs = remove_empty_kwargs(**kwargs)
    response = client.videos().update(
        body = resource, **kwargs).execute()
      
    return print_response(response)
  
  
if __name__ == '__main__':
      
    # When running locally, disable
    # OAuthlib's HTTPs verification. 
    # When running in production * do not * 
    # leave this option enabled.
    os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
    client = get_authenticated_service()
      
    # We will be changing categoryId, Description
    # and Title of the video specified using videoID
    videos_update(client, 
        {'id': 'QbEEuL-nWaE',
        'snippet.categoryId': '24',
        'snippet.defaultLanguage': '',
        'snippet.description': 'This is the ABC Learning Video',
        'snippet.tags[]': '',
        'snippet.title': 'ABC Learn Video',
        'status.privacyStatus': ''},
        part ='snippet, status')
   

Output:

When you will execute the code you will be asked for the authorization code. For getting the code you need to follow the link mentioned in the command prompt screen above the line: Enter the Authorization code.

Now follow the link and copy paste the authorization code that you will get by granting the permission.

I have attached the Output of both the programs insert video and update video. As you can see by comparing the images there is a change in the Title and Description of the video.



Code to delete a video: This example shows how to delete a video from the authorized user’s account. The id parameter is mandatory to provide.




import os
import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from google_auth_oauthlib.flow import InstalledAppFlow
  
# The CLIENT_SECRETS_FILE variable specifies the name of a file that contains
# client_id and client_secret.
CLIENT_SECRETS_FILE = "client_secret.json"
  
# This scope allows for full read / write access to the
# authenticated user's account and requires requests to use an SSL connection.
API_SERVICE_NAME = 'youtube'
API_VERSION = 'v3'
  
def get_authenticated_service():
    flow = InstalledAppFlow.from_client_secrets_file(
                          CLIENT_SECRETS_FILE, SCOPES)
    credentials = flow.run_console()
    return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)
  
def print_response(response):
    print(response)
  
# Remove keyword arguments that are not set
def remove_empty_kwargs(**kwargs):
    good_kwargs = {}
    if kwargs is not None:
        for key, value in kwargs.items():
        if value:
            good_kwargs[key] = value
    return good_kwargs
  
def videos_delete(client, **kwargs):
  
    kwargs = remove_empty_kwargs(**kwargs)
      
    response = client.videos().delete(
                    **kwargs).execute()
      
    return print_response(response)
  
  
if __name__ == '__main__':
      
    # When running locally, disable OAuthlib's
    # HTTPs verification. When running in production
    # * do not * leave this option enabled.
    os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
    client = get_authenticated_service()
      
    videos_delete(client, id ='QbEEuL-nWaE',
                onBehalfOfContentOwner ='')

Output:

When you will execute the code you will be asked for the authorization code. For getting the code you need to follow the link mentioned in the command prompt screen above the line: Enter the Authorization code.

Now follow the link and copy paste the authorization code that you will get by granting the permission.

As you can see from the account, there are no videos in upload section.

References:

  1. https://developers.google.com/youtube/v3/docs/videos/update
  2. https://developers.google.com/youtube/v3/docs/videos/delete

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