PlaylistItems: list

Java

この例では、Java クライアント ライブラリを使用しています。

• MyUploads.java

  /*
   * Copyright (c) 2012 Google Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
   * in compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License
   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing permissions and limitations under
   * the License.
   */
  
  package com.google.api.services.samples.youtube.cmdline.youtube_cmdline_myuploads_sample;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import com.google.api.client.auth.oauth2.Credential;
  import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
  import com.google.api.client.extensions.java6.auth.oauth2.FileCredentialStore;
  import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
  import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
  import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
  import com.google.api.client.googleapis.json.GoogleJsonResponseException;
  import com.google.api.client.http.HttpTransport;
  import com.google.api.client.http.javanet.NetHttpTransport;
  import com.google.api.client.json.JsonFactory;
  import com.google.api.client.json.jackson2.JacksonFactory;
  import com.google.api.services.youtube.YouTube;
  import com.google.api.services.youtube.model.Channel;
  import com.google.api.services.youtube.model.ChannelListResponse;
  import com.google.api.services.youtube.model.PlaylistItem;
  import com.google.api.services.youtube.model.PlaylistItemListResponse;
  import com.google.common.collect.Lists;
  
  /**
   * Prints a list of videos uploaded to the user's YouTube account using OAuth2 for authentication.
   *
   *  Details: The app uses Youtube.Channnels.List to get the playlist id associated with all the
   * videos ever uploaded to the user's account. It then gets all the video info using
   * YouTube.PlaylistItems.List. Finally, it prints all the information to the screen.
   *
   * @author Jeremy Walker
   */
  public class MyUploads {
  
    /** Global instance of the HTTP transport. */
    private static final HttpTransport HTTP_TRANSPORT = new NetHttpTransport();
  
    /** Global instance of the JSON factory. */
    private static final JsonFactory JSON_FACTORY = new JacksonFactory();
  
    /** Global instance of YouTube object to make all API requests. */
    private static YouTube youtube;
  
    /**
     * Authorizes the installed application to access user's protected data.
     *
     * @param scopes list of scopes needed to run upload.
     */
    private static Credential authorize(List<String> scopes) throws Exception {
  
      // Load client secrets.
      GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(
          JSON_FACTORY, MyUploads.class.getResourceAsStream("/client_secrets.json"));
  
      // Checks that the defaults have been replaced (Default = "Enter X here").
      if (clientSecrets.getDetails().getClientId().startsWith("Enter")
          || clientSecrets.getDetails().getClientSecret().startsWith("Enter ")) {
        System.out.println(
            "Enter Client ID and Secret from https://console.developers.google.com/project/_/apiui/credential"
            + "into youtube-cmdline-myuploads-sample/src/main/resources/client_secrets.json");
        System.exit(1);
      }
  
      // Set up file credential store.
      FileCredentialStore credentialStore = new FileCredentialStore(
          new File(System.getProperty("user.home"), ".credentials/youtube-api-myuploads.json"),
          JSON_FACTORY);
  
      // Set up authorization code flow.
      GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
          HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, scopes).setCredentialStore(credentialStore)
          .build();
  
      // Build the local server and bind it to port 9000
      LocalServerReceiver localReceiver = new LocalServerReceiver.Builder().setPort(8080).build();
  
      // Authorize.
      return new AuthorizationCodeInstalledApp(flow, localReceiver).authorize("user");
    }
  
    /**
     * Authorizes user, runs Youtube.Channnels.List get the playlist id associated with uploaded
     * videos, runs YouTube.PlaylistItems.List to get information on each video, and prints out the
     * results.
     *
     * @param args command line args (not used).
     */
    public static void main(String[] args) {
  
      // Scope required to upload to YouTube.
      List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube");
  
      try {
        // Authorization.
        Credential credential = authorize(scopes);
  
        // YouTube object used to make all API requests.
        youtube = new YouTube.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential).setApplicationName(
            "youtube-cmdline-myuploads-sample").build();
  
        /*
         * Now that the user is authenticated, the app makes a channel list request to get the
         * authenticated user's channel. Returned with that data is the playlist id for the uploaded
         * videos. https://developers.google.com/youtube/v3/docs/channels/list
         */
        YouTube.Channels.List channelRequest = youtube.channels().list("contentDetails");
        channelRequest.setMine("true");
        /*
         * Limits the results to only the data we needo which makes things more efficient.
         */
        channelRequest.setFields("items/contentDetails,nextPageToken,pageInfo");
        ChannelListResponse channelResult = channelRequest.execute();
  
        /*
         * Gets the list of channels associated with the user. This sample only pulls the uploaded
         * videos for the first channel (default channel for user).
         */
        List<Channel> channelsList = channelResult.getItems();
  
        if (channelsList != null) {
          // Gets user's default channel id (first channel in list).
          String uploadPlaylistId =
              channelsList.get(0).getContentDetails().getRelatedPlaylists().getUploads();
  
          // List to store all PlaylistItem items associated with the uploadPlaylistId.
          List<PlaylistItem> playlistItemList = new ArrayList<PlaylistItem>();
  
          /*
           * Now that we have the playlist id for your uploads, we will request the playlistItems
           * associated with that playlist id, so we can get information on each video uploaded. This
           * is the template for the list call. We call it multiple times in the do while loop below
           * (only changing the nextToken to get all the videos).
           * https://developers.google.com/youtube/v3/docs/playlistitems/list
           */
          YouTube.PlaylistItems.List playlistItemRequest =
              youtube.playlistItems().list("id,contentDetails,snippet");
          playlistItemRequest.setPlaylistId(uploadPlaylistId);
  
          // This limits the results to only the data we need and makes things more efficient.
          playlistItemRequest.setFields(
              "items(contentDetails/videoId,snippet/title,snippet/publishedAt),nextPageToken,pageInfo");
  
          String nextToken = "";
  
          // Loops over all search page results returned for the uploadPlaylistId.
          do {
            playlistItemRequest.setPageToken(nextToken);
            PlaylistItemListResponse playlistItemResult = playlistItemRequest.execute();
  
            playlistItemList.addAll(playlistItemResult.getItems());
  
            nextToken = playlistItemResult.getNextPageToken();
          } while (nextToken != null);
  
          // Prints results.
          prettyPrint(playlistItemList.size(), playlistItemList.iterator());
        }
  
      } catch (GoogleJsonResponseException e) {
        e.printStackTrace();
        System.err.println("There was a service error: " + e.getDetails().getCode() + " : "
            + e.getDetails().getMessage());
  
      } catch (Throwable t) {
        t.printStackTrace();
      }
    }
  
    /*
     * Method that prints all the PlaylistItems in an Iterator.
     *
     * @param size size of list
     *
     * @param iterator of Playlist Items from uploaded Playlist
     */
    private static void prettyPrint(int size, Iterator<PlaylistItem> playlistEntries) {
      System.out.println("=============================================================");
      System.out.println("\t\tTotal Videos Uploaded: " + size);
      System.out.println("=============================================================\n");
  
      while (playlistEntries.hasNext()) {
        PlaylistItem playlistItem = playlistEntries.next();
        System.out.println(" video name  = " + playlistItem.getSnippet().getTitle());
        System.out.println(" video id    = " + playlistItem.getContentDetails().getVideoId());
        System.out.println(" upload date = " + playlistItem.getSnippet().getPublishedAt());
        System.out.println("\n-------------------------------------------------------------\n");
      }
    }
  }
  

• pom.xml

  <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
  
    <groupId>com.google.api.services.samples.youtube.cmdline</groupId>
    <artifactId>youtube-cmdline-myuploads-sample</artifactId>
    <version>1.0</version>
    <packaging>jar</packaging>
  
    <name>youtube-cmdline-myuploads-sample</name>
    <url>http://maven.apache.org</url>
  
    <properties>
      <project.youtube.version>v3-rev8-1.12.0-beta</project.youtube.version>
      <project.http.version>1.12.0-beta</project.http.version>
      <project.oauth.version>1.12.0-beta</project.oauth.version>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
  
    <repositories>
      <repository>
        <id>google-api-services</id>
        <url>http://google-api-client-libraries.appspot.com/mavenrepo</url>
      </repository>
    </repositories>
  
    <dependencies>
  
      <!-- YouTube Data V3 support -->
      <dependency>
        <groupId>com.google.apis</groupId>
        <artifactId>google-api-services-youtube</artifactId>
        <version>${project.youtube.version}</version>
      </dependency>
  
      <dependency>
        <groupId>com.google.http-client</groupId>
        <artifactId>google-http-client-jackson2</artifactId>
        <version>${project.http.version}</version>
      </dependency>
      <dependency>
        <groupId>com.google.oauth-client</groupId>
        <artifactId>google-oauth-client-jetty</artifactId>
        <version>${project.oauth.version}</version>
      </dependency>
    </dependencies>
  
    <build>
      <plugins>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>exec-maven-plugin</artifactId>
          <version>1.2.1</version>
          <configuration>
            <mainClass>com.google.api.services.samples.youtube.cmdline.youtube_cmdline_myuploads_sample.MyUploads</mainClass>
          </configuration>
        </plugin>
  
        <!-- Forces Maven to use Java 1.6 -->
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.3.2</version>
          <configuration>
            <source>1.6</source>
            <target>1.6</target>
            <compilerArgument></compilerArgument>
          </configuration>
        </plugin>
      </plugins>
    </build>
  
  </project>
  

• client_secrets.json

  {
    "installed": {
      "client_id": "Enter your client id here",
      "client_secret": "Enter your client secret here"
    }
  }
  

JavaScript

この例では、JavaScript クライアント ライブラリを使用しています。

// Define some variables used to remember state.
var playlistId, nextPageToken, prevPageToken;

// After the API loads, call a function to get the uploads playlist ID.
function handleAPILoaded() {
  requestUserUploadsPlaylistId();
}

// Call the Data API to retrieve the playlist ID that uniquely identifies the
// list of videos uploaded to the currently authenticated user's channel.
function requestUserUploadsPlaylistId() {
  // See https://developers.google.com/youtube/v3/docs/channels/list
  var request = gapi.client.youtube.channels.list({
    mine: true,
    part: 'contentDetails'
  });
  request.execute(function(response) {
    playlistId = response.result.items[0].contentDetails.relatedPlaylists.uploads;
    requestVideoPlaylist(playlistId);
  });
}

// Retrieve the list of videos in the specified playlist.
function requestVideoPlaylist(playlistId, pageToken) {
  $('#video-container').html('');
  var requestOptions = {
    playlistId: playlistId,
    part: 'snippet',
    maxResults: 10
  };
  if (pageToken) {
    requestOptions.pageToken = pageToken;
  }
  var request = gapi.client.youtube.playlistItems.list(requestOptions);
  request.execute(function(response) {
    // Only show pagination buttons if there is a pagination token for the
    // next or previous page of results.
    nextPageToken = response.result.nextPageToken;
    var nextVis = nextPageToken ? 'visible' : 'hidden';
    $('#next-button').css('visibility', nextVis);
    prevPageToken = response.result.prevPageToken
    var prevVis = prevPageToken ? 'visible' : 'hidden';
    $('#prev-button').css('visibility', prevVis);

    var playlistItems = response.result.items;
    if (playlistItems) {
      $.each(playlistItems, function(index, item) {
        displayResult(item.snippet);
      });
    } else {
      $('#video-container').html('Sorry you have no uploaded videos');
    }
  });
}

// Create a listing for a video.
function displayResult(videoSnippet) {
  var title = videoSnippet.title;
  var videoId = videoSnippet.resourceId.videoId;
  $('#video-container').append('<p>' + title + ' - ' + videoId + '</p>');
}

// Retrieve the next page of videos in the playlist.
function nextPage() {
  requestVideoPlaylist(playlistId, nextPageToken);
}

// Retrieve the previous page of videos in the playlist.
function previousPage() {
  requestVideoPlaylist(playlistId, prevPageToken);
}

.NET

この例では、.NET クライアント ライブラリを使用しています。

using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;

/*
 * External dependencies, OAuth 2.0 support, and core client libraries are at:
 *   https://developers.google.com/api-client-library/dotnet/apis/
 * Also see the Samples.zip file for the Google.Apis.Samples.Helper classes at:
 *   https://github.com/youtube/api-samples/tree/master/dotnet
 */

using DotNetOpenAuth.OAuth2;

using Google.Apis.Authentication;
using Google.Apis.Authentication.OAuth2;
using Google.Apis.Authentication.OAuth2.DotNetOpenAuth;
using Google.Apis.Samples.Helper;
using Google.Apis.Services;
using Google.Apis.Util;
using Google.Apis.Youtube.v3;
using Google.Apis.Youtube.v3.Data;

namespace dotnet
{
  class my_uploads
  {
    static void Main(string[] args)
    {
      CommandLine.EnableExceptionHandling();
      CommandLine.DisplayGoogleSampleHeader("YouTube Data API: My Uploads");

      var credentials = PromptingClientCredentials.EnsureFullClientCredentials();
      var provider = new NativeApplicationClient(GoogleAuthenticationServer.Description)
      {
        ClientIdentifier = credentials.ClientId,
        ClientSecret = credentials.ClientSecret
      };
      var auth = new OAuth2Authenticator<NativeApplicationClient>(provider, GetAuthorization);

      var youtube = new YoutubeService(new BaseClientService.Initializer()
      {
        Authenticator = auth
      });

      var channelsListRequest = youtube.Channels.List("contentDetails");
      channelsListRequest.Mine = true;

      var channelsListResponse = channelsListRequest.Fetch();

      foreach (var channel in channelsListResponse.Items)
      {
        var uploadsListId = channel.ContentDetails.RelatedPlaylists.Uploads;

        CommandLine.WriteLine(String.Format("Videos in list {0}", uploadsListId));

        var nextPageToken = "";
        while (nextPageToken != null)
        {
          var playlistItemsListRequest = youtube.PlaylistItems.List("snippet");
          playlistItemsListRequest.PlaylistId = uploadsListId;
          playlistItemsListRequest.MaxResults = 50;
          playlistItemsListRequest.PageToken = nextPageToken;

          var playlistItemsListResponse = playlistItemsListRequest.Fetch();

          foreach (var playlistItem in playlistItemsListResponse.Items)
          {
            CommandLine.WriteLine(String.Format("{0} ({1})", playlistItem.Snippet.Title, playlistItem.Snippet.ResourceId.VideoId));
          }

          nextPageToken = playlistItemsListResponse.NextPageToken;
        }
      }

      CommandLine.PressAnyKeyToExit();
    }

    private static IAuthorizationState GetAuthorization(NativeApplicationClient client)
    {
      var storage = MethodBase.GetCurrentMethod().DeclaringType.ToString();
      var key = "storage_key";

      IAuthorizationState state = AuthorizationMgr.GetCachedRefreshToken(storage, key);
      if (state != null)
      {
        client.RefreshToken(state);
      }
      else
      {
        state = AuthorizationMgr.RequestNativeAuthorization(client, YoutubeService.Scopes.YoutubeReadonly.GetStringValue());
        AuthorizationMgr.SetCachedRefreshToken(storage, key, state);
      }

      return state;
    }
  }
}

PHP

この例では、PHP クライアント ライブラリを使用しています。

<?php

/**
 * Library Requirements
 *
 * 1. Install composer (https://getcomposer.org)
 * 2. On the command line, change to this directory (api-samples/php)
 * 3. Require the google/apiclient library
 *    $ composer require google/apiclient:~2.0
 */
if (!file_exists(__DIR__ . '/vendor/autoload.php')) {
  throw new \Exception('please run "composer require google/apiclient:~2.0" in "' . __DIR__ .'"');
}

require_once __DIR__ . '/vendor/autoload.php';
session_start();

/*
 * You can acquire an OAuth 2.0 client ID and client secret from the
 * Google API Console <https://console.cloud.google.com/>
 * For more information about using OAuth 2.0 to access Google APIs, please see:
 * <https://developers.google.com/youtube/v3/guides/authentication>
 * Please ensure that you have enabled the YouTube Data API for your project.
 */
$OAUTH2_CLIENT_ID = 'REPLACE_ME';
$OAUTH2_CLIENT_SECRET = 'REPLACE_ME';

$client = new Google_Client();
$client->setClientId($OAUTH2_CLIENT_ID);
$client->setClientSecret($OAUTH2_CLIENT_SECRET);
$client->setScopes('https://www.googleapis.com/auth/youtube');
$redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'],
  FILTER_SANITIZE_URL);
$client->setRedirectUri($redirect);

// Define an object that will be used to make all API requests.
$youtube = new Google_Service_YouTube($client);

// Check if an auth token exists for the required scopes
$tokenSessionKey = 'token-' . $client->prepareScopes();
if (isset($_GET['code'])) {
  if (strval($_SESSION['state']) !== strval($_GET['state'])) {
    die('The session state did not match.');
  }

  $client->authenticate($_GET['code']);
  $_SESSION[$tokenSessionKey] = $client->getAccessToken();
  header('Location: ' . $redirect);
}

if (isset($_SESSION[$tokenSessionKey])) {
  $client->setAccessToken($_SESSION[$tokenSessionKey]);
}

// Check to ensure that the access token was successfully acquired.
if ($client->getAccessToken()) {
  try {
    // Call the channels.list method to retrieve information about the
    // currently authenticated user's channel.
    $channelsResponse = $youtube->channels->listChannels('contentDetails', array(
      'mine' => 'true',
    ));

    $htmlBody = '';
    foreach ($channelsResponse['items'] as $channel) {
      // Extract the unique playlist ID that identifies the list of videos
      // uploaded to the channel, and then call the playlistItems.list method
      // to retrieve that list.
      $uploadsListId = $channel['contentDetails']['relatedPlaylists']['uploads'];

      $playlistItemsResponse = $youtube->playlistItems->listPlaylistItems('snippet', array(
        'playlistId' => $uploadsListId,
        'maxResults' => 50
      ));

      $htmlBody .= "<h3>Videos in list $uploadsListId</h3><ul>";
      foreach ($playlistItemsResponse['items'] as $playlistItem) {
        $htmlBody .= sprintf('<li>%s (%s)</li>', $playlistItem['snippet']['title'],
          $playlistItem['snippet']['resourceId']['videoId']);
      }
      $htmlBody .= '</ul>';
    }
  } catch (Google_Service_Exception $e) {
    $htmlBody = sprintf('<p>A service error occurred: <code>%s</code></p>',
      htmlspecialchars($e->getMessage()));
  } catch (Google_Exception $e) {
    $htmlBody = sprintf('<p>An client error occurred: <code>%s</code></p>',
      htmlspecialchars($e->getMessage()));
  }

  $_SESSION[$tokenSessionKey] = $client->getAccessToken();
} elseif ($OAUTH2_CLIENT_ID == 'REPLACE_ME') {
  $htmlBody = <<<END
  <h3>Client Credentials Required</h3>
  <p>
    You need to set <code>\$OAUTH2_CLIENT_ID</code> and
    <code>\$OAUTH2_CLIENT_ID</code> before proceeding.
  <p>
END;
} else {
  $state = mt_rand();
  $client->setState($state);
  $_SESSION['state'] = $state;

  $authUrl = $client->createAuthUrl();
  $htmlBody = <<<END
  <h3>Authorization Required</h3>
  <p>You need to <a href="$authUrl">authorize access</a> before proceeding.<p>
END;
}
?>

<!doctype html>
<html>
  <head>
    <title>My Uploads</title>
  </head>
  <body>
    <?=$htmlBody?>
  </body>
</html>

Python

この例では、Python クライアント ライブラリを使用しています。

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from oauth2client.client import flow_from_clientsecrets
from oauth2client.file import Storage
from oauth2client.tools import argparser, run_flow


# The CLIENT_SECRETS_FILE variable specifies the name of a file that contains
# the OAuth 2.0 information for this application, including its client_id and
# client_secret. You can acquire an OAuth 2.0 client ID and client secret from
# the Google API Console at
# https://console.cloud.google.com/.
# Please ensure that you have enabled the YouTube Data API for your project.
# For more information about using OAuth2 to access the YouTube Data API, see:
#   https://developers.google.com/youtube/v3/guides/authentication
# For more information about the client_secrets.json file format, see:
#   https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
CLIENT_SECRETS_FILE = "client_secrets.json"

# This variable defines a message to display if the CLIENT_SECRETS_FILE is
# missing.
MISSING_CLIENT_SECRETS_MESSAGE = """
WARNING: Please configure OAuth 2.0

To make this sample run you will need to populate the client_secrets.json file
found at:

   %s

with information from the API Console
https://console.cloud.google.com/

For more information about the client_secrets.json file format, please visit:
https://developers.google.com/api-client-library/python/guide/aaa_client_secrets
""" % os.path.abspath(os.path.join(os.path.dirname(__file__),
                                   CLIENT_SECRETS_FILE))

# 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"

flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
  message=MISSING_CLIENT_SECRETS_MESSAGE,
  scope=YOUTUBE_READONLY_SCOPE)

storage = Storage("%s-oauth2.json" % sys.argv[0])
credentials = storage.get()

if credentials is None or credentials.invalid:
  flags = argparser.parse_args()
  credentials = run_flow(flow, storage, flags)

youtube = build(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION,
  http=credentials.authorize(httplib2.Http()))

# Retrieve the contentDetails part of the channel resource for the
# authenticated user's channel.
channels_response = youtube.channels().list(
  mine=True,
  part="contentDetails"
).execute()

for channel in channels_response["items"]:
  # 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"]

  print "Videos in list %s" % uploads_list_id

  # Retrieve the list of videos uploaded to the authenticated user's channel.
  playlistitems_list_request = youtube.playlistItems().list(
    playlistId=uploads_list_id,
    part="snippet",
    maxResults=50
  )

  while playlistitems_list_request:
    playlistitems_list_response = playlistitems_list_request.execute()

    # Print information about each video.
    for playlist_item in playlistitems_list_response["items"]:
      title = playlist_item["snippet"]["title"]
      video_id = playlist_item["snippet"]["resourceId"]["videoId"]
      print "%s (%s)" % (title, video_id)

    playlistitems_list_request = youtube.playlistItems().list_next(
      playlistitems_list_request, playlistitems_list_response)

  print

Ruby

この例では、Ruby クライアント ライブラリを使用しています。

#!/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