Ruby Code Samples | YouTube Data API

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You can download these code samples from the <code translate="no" dir="ltr">ruby</code> folder of the <a href="https://github.com/youtube/api-samples">YouTube APIs code sample repository on GitHub</a>. <h2 id="add_a_channel_subscription" data-text="Add a channel subscription" tabindex="-1">Add a channel subscription</h2> This sample calls the API's <code translate="no" dir="ltr">subscriptions.insert</code> method to add a subscription to a specified channel. <div></div><devsite-code><pre class="devsite-click-to-copy notranslate" dir="ltr" is-upgraded syntax="Ruby">#!/usr/bin/ruby require 'rubygems' gem 'google-api-client', '>0.7' require 'google/api_client' require 'google/api_client/client_secrets' require 'google/api_client/auth/file_storage' require 'google/api_client/auth/installed_app' require 'trollop' # This OAuth 2.0 access scope allows for full read/write access to the # authenticated user's account. YOUTUBE_SCOPE = 'https://www.googleapis.com/auth/youtube' YOUTUBE_API_SERVICE_NAME = 'youtube' YOUTUBE_API_VERSION = 'v3' def get_authenticated_service client = Google::APIClient.new( :application_name => $PROGRAM_NAME, :application_version => '1.0.0' ) youtube = client.discovered_api(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION) file_storage = Google::APIClient::FileStorage.new("#{$PROGRAM_NAME}-oauth2.json") if file_storage.authorization.nil? client_secrets = Google::APIClient::ClientSecrets.load flow = Google::APIClient::InstalledAppFlow.new( :client_id => client_secrets.client_id, :client_secret => client_secrets.client_secret, :scope => [YOUTUBE_SCOPE] ) client.authorization = flow.authorize(file_storage) else client.authorization = file_storage.authorization end return client, youtube end def main opts = Trollop::options do opt :channel_id, 'ID of the channel to subscribe to.', :type => String, :default => 'UCtVd0c0tGXuTSbU5d8cSBUg' end client, youtube = get_authenticated_service begin body = { :snippet => { :resourceId => { :channelId => opts[:channel_id] } } } # Call the API's youtube.subscriptions.insert method to add the subscription # to the specified channel. subscriptions_response = client.execute!( :api_method => youtube.subscriptions.insert, :parameters => { :part => body.keys.join(',') }, :body_object => body ) puts "A subscription to '#{subscriptions_response.data.snippet.title}' was added." rescue Google::APIClient::TransmissionError => e puts e.result.body end end main <div class="devsite-github-link nocode no-select"><a target="_top" href="https://github.com/youtube/api-samples/blob/07263305b59a7c3275bc7e925f9ce6cabf774022/ruby/add_subscription.rb" class="gc-analytics-event" data-category="github_link" data-label="youtube/api-samples/ruby/add_subscription.rb" data-code-snippet="true" data-github-path="youtube/api-samples/ruby/add_subscription.rb">add_subscription.rb</a></div></pre></devsite-code> <h2 id="authorize_a_request" data-text="Authorize a request" tabindex="-1">Authorize a request</h2> The following code sample performs OAuth 2.0 authorization by checking for the presence of a local file that contains authorization credentials. If the file is not present, the script opens a browser and waits for a response, then saves the returned credentials locally. <div></div><devsite-code><pre class="devsite-click-to-copy notranslate" dir="ltr" is-upgraded syntax="Ruby">require 'google/api_client' require 'google/api_client/client_secrets' require 'json' require 'launchy' require 'thin' RESPONSE_HTML = <<stop <html> <head> <title>OAuth 2 Flow Complete</title> </head> <body> You have successfully completed the OAuth 2 flow. Please close this browser window and return to your program. </body> </html> stop FILE_POSTFIX = '-oauth2.json' # Small helper for the sample apps for performing OAuth 2.0 flows from the command # line. Starts an embedded server to handle redirects. class CommandLineOAuthHelper def initialize(scope) credentials = Google::APIClient::ClientSecrets.load @authorization = Signet::OAuth2::Client.new( :authorization_uri => credentials.authorization_uri, :token_credential_uri => credentials.token_credential_uri, :client_id => credentials.client_id, :client_secret => credentials.client_secret, :redirect_uri => credentials.redirect_uris.first, :scope => scope ) end # Request authorization. Checks to see if a local file with credentials is present, and uses that. # Otherwise, opens a browser and waits for response, then saves the credentials locally. def authorize credentialsFile = $0 + FILE_POSTFIX if File.exist? credentialsFile File.open(credentialsFile, 'r') do |file| credentials = JSON.load(file) @authorization.access_token = credentials['access_token'] @authorization.client_id = credentials['client_id'] @authorization.client_secret = credentials['client_secret'] @authorization.refresh_token = credentials['refresh_token'] @authorization.expires_in = (Time.parse(credentials['token_expiry']) - Time.now).ceil if @authorization.expired? @authorization.fetch_access_token! save(credentialsFile) end end else auth = @authorization url = @authorization.authorization_uri().to_s server = Thin::Server.new('0.0.0.0', 8080) do run lambda { |env| # Exchange the auth code & quit req = Rack::Request.new(env) auth.code = req['code'] auth.fetch_access_token! server.stop() [200, {'Content-Type' => 'text/html'}, RESPONSE_HTML] } end Launchy.open(url) server.start() save(credentialsFile) end return @authorization end def save(credentialsFile) File.open(credentialsFile, 'w', 0600) do |file| json = JSON.dump({ :access_token => @authorization.access_token, :client_id => @authorization.client_id, :client_secret => @authorization.client_secret, :refresh_token => @authorization.refresh_token, :token_expiry => @authorization.expires_at }) file.write(json) end end end <div class="devsite-github-link nocode no-select"><a target="_top" href="https://github.com/youtube/api-samples/blob/07263305b59a7c3275bc7e925f9ce6cabf774022/ruby/oauth/oauth_util.rb" class="gc-analytics-event" data-category="github_link" data-label="youtube/api-samples/ruby/oauth/oauth_util.rb" data-code-snippet="true" data-github-path="youtube/api-samples/ruby/oauth/oauth_util.rb">oauth_util.rb</a></div></pre></devsite-code> <h2 id="retrieve_my_uploads" data-text="Retrieve my uploads" tabindex="-1">Retrieve my uploads</h2> This sample calls the API's <code translate="no" dir="ltr">playlistItems.list</code> method to retrieve a list of videos uploaded to the channel associated with the request. The code also calls the <code translate="no" dir="ltr">channels.list</code> method with the <code translate="no" dir="ltr">mine</code> parameter set to <code translate="no" dir="ltr">true</code> to retrieve the playlist ID that identifies the channel's uploaded videos. <div></div><devsite-code><pre class="devsite-click-to-copy notranslate" dir="ltr" is-upgraded syntax="Ruby">#!/usr/bin/ruby require 'rubygems' gem 'google-api-client', '>0.7' require 'google/api_client' require 'google/api_client/client_secrets' require 'google/api_client/auth/file_storage' require 'google/api_client/auth/installed_app' # This OAuth 2.0 access scope allows for read-only access to the authenticated # user's account, but not other types of account access. YOUTUBE_READONLY_SCOPE = 'https://www.googleapis.com/auth/youtube.readonly' YOUTUBE_API_SERVICE_NAME = 'youtube' YOUTUBE_API_VERSION = 'v3' def get_authenticated_service client = Google::APIClient.new( :application_name => $PROGRAM_NAME, :application_version => '1.0.0' ) youtube = client.discovered_api(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION) file_storage = Google::APIClient::FileStorage.new("#{$PROGRAM_NAME}-oauth2.json") if file_storage.authorization.nil? client_secrets = Google::APIClient::ClientSecrets.load flow = Google::APIClient::InstalledAppFlow.new( :client_id => client_secrets.client_id, :client_secret => client_secrets.client_secret, :scope => [YOUTUBE_READONLY_SCOPE] ) client.authorization = flow.authorize(file_storage) else client.authorization = file_storage.authorization end return client, youtube end def main client, youtube = get_authenticated_service begin # Retrieve the "contentDetails" part of the channel resource for the # authenticated user's channel. channels_response = client.execute!( :api_method => youtube.channels.list, :parameters => { :mine => true, :part => 'contentDetails' } ) channels_response.data.items.each do |channel| # From the API response, extract the playlist ID that identifies the list # of videos uploaded to the authenticated user's channel. uploads_list_id = channel['contentDetails']['relatedPlaylists']['uploads'] # Retrieve the list of videos uploaded to the authenticated user's channel. next_page_token = '' until next_page_token.nil? playlistitems_response = client.execute!( :api_method => youtube.playlist_items.list, :parameters => { :playlistId => uploads_list_id, :part => 'snippet', :maxResults => 50, :pageToken => next_page_token } ) puts "Videos in list #{uploads_list_id}" # Print information about each video. playlistitems_response.data.items.each do |playlist_item| title = playlist_item['snippet']['title'] video_id = playlist_item['snippet']['resourceId']['videoId'] puts "#{title} (#{video_id})" end next_page_token = playlistitems_response.next_page_token end puts end rescue Google::APIClient::TransmissionError => e puts e.result.body end end main <div class="devsite-github-link nocode no-select"><a target="_top" href="https://github.com/youtube/api-samples/blob/07263305b59a7c3275bc7e925f9ce6cabf774022/ruby/my_uploads.rb" class="gc-analytics-event" data-category="github_link" data-label="youtube/api-samples/ruby/my_uploads.rb" data-code-snippet="true" data-github-path="youtube/api-samples/ruby/my_uploads.rb">my_uploads.rb</a></div></pre></devsite-code> <h2 id="search_by_keyword" data-text="Search by keyword" tabindex="-1">Search by keyword</h2> This sample calls the API's <code translate="no" dir="ltr">search.list</code> method to retrieve search results associated with a particular keyword. <div></div><devsite-code><pre class="devsite-click-to-copy notranslate" dir="ltr" is-upgraded syntax="Ruby">#!/usr/bin/ruby require 'rubygems' gem 'google-api-client', '>0.7' require 'google/api_client' require 'trollop' # Set DEVELOPER_KEY to the API key value from the APIs & auth > Credentials # tab of # {{ Google Cloud Console }} <{{ https://cloud.google.com/console }}> # Please ensure that you have enabled the YouTube Data API for your project. DEVELOPER_KEY = 'REPLACE_ME' YOUTUBE_API_SERVICE_NAME = 'youtube' YOUTUBE_API_VERSION = 'v3' def get_service client = Google::APIClient.new( :key => DEVELOPER_KEY, :authorization => nil, :application_name => $PROGRAM_NAME, :application_version => '1.0.0' ) youtube = client.discovered_api(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION) return client, youtube end def main opts = Trollop::options do opt :q, 'Search term', :type => String, :default => 'Google' opt :max_results, 'Max results', :type => :int, :default => 25 end client, youtube = get_service begin # Call the search.list method to retrieve results matching the specified # query term. search_response = client.execute!( :api_method => youtube.search.list, :parameters => { :part => 'snippet', :q => opts[:q], :maxResults => opts[:max_results] } ) videos = [] channels = [] playlists = [] # Add each result to the appropriate list, and then display the lists of # matching videos, channels, and playlists. search_response.data.items.each do |search_result| case search_result.id.kind when 'youtube#video' videos << "#{search_result.snippet.title} (#{search_result.id.videoId})" when 'youtube#channel' channels << "#{search_result.snippet.title} (#{search_result.id.channelId})" when 'youtube#playlist' playlists << "#{search_result.snippet.title} (#{search_result.id.playlistId})" end end puts "Videos:\n", videos, "\n" puts "Channels:\n", channels, "\n" puts "Playlists:\n", playlists, "\n" rescue Google::APIClient::TransmissionError => e puts e.result.body end end main <div class="devsite-github-link nocode no-select"><a target="_top" href="https://github.com/youtube/api-samples/blob/07263305b59a7c3275bc7e925f9ce6cabf774022/ruby/search.rb" class="gc-analytics-event" data-category="github_link" data-label="youtube/api-samples/ruby/search.rb" data-code-snippet="true" data-github-path="youtube/api-samples/ruby/search.rb">search.rb</a></div></pre></devsite-code> <h2 id="upload_a_video" data-text="Upload a video" tabindex="-1">Upload a video</h2> This sample calls the API's <code translate="no" dir="ltr">videos.insert</code> method to upload a video to the channel associated with the request. <div></div><devsite-code><pre class="devsite-click-to-copy notranslate" dir="ltr" is-upgraded syntax="Ruby">#!/usr/bin/ruby require 'rubygems' gem 'google-api-client', '>0.7' require 'google/api_client' require 'google/api_client/client_secrets' require 'google/api_client/auth/file_storage' require 'google/api_client/auth/installed_app' require 'trollop' # A limited OAuth 2 access scope that allows for uploading files, but not other # types of account access. YOUTUBE_UPLOAD_SCOPE = 'https://www.googleapis.com/auth/youtube.upload' YOUTUBE_API_SERVICE_NAME = 'youtube' YOUTUBE_API_VERSION = 'v3' def get_authenticated_service client = Google::APIClient.new( :application_name => $PROGRAM_NAME, :application_version => '1.0.0' ) youtube = client.discovered_api(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION) file_storage = Google::APIClient::FileStorage.new("#{$PROGRAM_NAME}-oauth2.json") if file_storage.authorization.nil? client_secrets = Google::APIClient::ClientSecrets.load flow = Google::APIClient::InstalledAppFlow.new( :client_id => client_secrets.client_id, :client_secret => client_secrets.client_secret, :scope => [YOUTUBE_UPLOAD_SCOPE] ) client.authorization = flow.authorize(file_storage) else client.authorization = file_storage.authorization end return client, youtube end def main opts = Trollop::options do opt :file, 'Video file to upload', :type => String opt :title, 'Video title', :default => 'Test Title', :type => String opt :description, 'Video description', :default => 'Test Description', :type => String opt :category_id, 'Numeric video category. See https://developers.google.com/youtube/v3/docs/videoCategories/list', :default => 22, :type => :int opt :keywords, 'Video keywords, comma-separated', :default => '', :type => String opt :privacy_status, 'Video privacy status: public, private, or unlisted', :default => 'public', :type => String end if opts[:file].nil? or not File.file?(opts[:file]) Trollop::die :file, 'does not exist' end client, youtube = get_authenticated_service begin body = { :snippet => { :title => opts[:title], :description => opts[:description], :tags => opts[:keywords].split(','), :categoryId => opts[:category_id], }, :status => { :privacyStatus => opts[:privacy_status] } } videos_insert_response = client.execute!( :api_method => youtube.videos.insert, :body_object => body, :media => Google::APIClient::UploadIO.new(opts[:file], 'video/*'), :parameters => { :uploadType => 'resumable', :part => body.keys.join(',') } ) videos_insert_response.resumable_upload.send_all(client) puts "Video id '#{videos_insert_response.data.id}' was successfully uploaded." rescue Google::APIClient::TransmissionError => e puts e.result.body end end main <div class="devsite-github-link nocode no-select"><a target="_top" href="https://github.com/youtube/api-samples/blob/07263305b59a7c3275bc7e925f9ce6cabf774022/ruby/upload_video.rb" class="gc-analytics-event" data-category="github_link" data-label="youtube/api-samples/ruby/upload_video.rb" data-code-snippet="true" data-github-path="youtube/api-samples/ruby/upload_video.rb">upload_video.rb</a></div></pre></devsite-code> </div> <devsite-recommendations display="in-page" hidden yield> </devsite-recommendations> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-recommendations id="recommendations-link" yield></devsite-recommendations> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> Except as otherwise noted, the content of this page is licensed under the <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 License</a>, and code samples are licensed under the <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache 2.0 License</a>. 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