Youtube Data API Playlist | Set-4

In the last article, we discussed how to list the contents of the desired playlist and how to insert a video in a playlist. Now, in this article, we will be discussing how to update a video in the desired playlist and how to delete the video.

So starting with the Updating a video, Let’s quickly discuss how to get 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 a 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 a video added to the playlist. The id(Playlist item Id), snippet.resourceId and snippet.playlistId are the required parameters. Here, we are updating the position of the uploaded video. Earlier the video was at first position in the playlist by default. But we are changing the position to second by setting the parameter snippet.position which takes value starting from 0, where 0 means first position, 1 means second position and so on.

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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 playlist_item_update_position(client, properties, **kwargs):
    resource = build_resource(properties)
    kwargs = remove_empty_kwargs(**kwargs)
      
    response = client.playlistItems().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()
      
    playlist_item_update_position(client, 
        {'id': 'UExxQUpOSkM0dENZdHlWWWxSQUJrNU5URERpMnNmcWJxVi5CMEQ2Mjk5NTc3NDZFRUNB',
        'snippet.playlistId': 'PLqAJNJC4tCYtyVYlRABk5NTDDi2sfqbqV',
        'snippet.resourceId.kind': 'youtube# video',
        'snippet.resourceId.videoId': 'MhPgMbYkuHc',
        'snippet.position': '1'},
        part ='snippet',
        onBehalfOfContentOwner ='')

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Note: id is the Playlist Item Id which can be recorded by listing the item of the desired playlist using the code discussed in article Youtube Data API Playlist | Set-3. Note down the id attribute that follows the etag attribute after the kind tag as “youtube#playlistItem”.



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.

If you compare two images below, you will see that the video which was earlier at location 0 i.e. first position is now shifted to location 1 i.e. second position.

Code to delete a Playlist item: This example show how to delete a playlist item. The property id is mandatory property. This identifies the playlist item that needs to delete.
Successful completion is marked by HTTP 204 response code.

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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 playlist_items_delete(client, **kwargs):
    # See full sample for function
    kwargs = remove_empty_kwargs(**kwargs)
      
    response = client.playlistItems().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()
      
    playlist_items_delete(client,
        id ='UExxQUpOSkM0dENZdHlWWWxSQUJrNU5URERpMnNmcWJxVi5CMEQ2Mjk5NTc3NDZFRUNB',
        onBehalfOfContentOwner ='')

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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 two images below, the video that we have added to the playlist, then updated is now successfully removed from the playlist.

References:

  1. https://developers.google.com/youtube/v3/docs/playlistItems/delete
  2. https://developers.google.com/youtube/v3/docs/playlistItems/insert
  3. https://developers.google.com/youtube/v3/docs/playlistItems/update
  4. https://developers.google.com/youtube/v3/docs/playlistItems/list
  5. https://developers.google.com/youtube/v3/docs/playlistItems


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