YouTubeで再生リストに含まれる動画を一覧で取得する方法【YouTube Data API x Pythonスクリプト解説】

pip install requests

import csv
import requests

CHANNEL_ID = 'YOUR_CHANNEL_ID'  # チャンネルID
API_KEY = 'YOUR_API_KEY'  # あなたのAPIキー
PLAYLIST_URL = 'https://www.googleapis.com/youtube/v3/playlists'
PLAYLIST_ITEMS_URL = 'https://www.googleapis.com/youtube/v3/playlistItems'
VIDEO_URL_TEMPLATE = 'https://www.youtube.com/watch?v={video_id}'
CSV_FILE_PATH = 'youtube_playlists_and_videos.csv'  # 保存するCSVファイル名

def get_playlists(page_token=None):
    """ チャンネルの再生リストを取得 """
    params = {
        'part': 'snippet',
        'channelId': CHANNEL_ID,
        'maxResults': 50,
        'key': API_KEY,
        'pageToken': page_token
    }
    response = requests.get(PLAYLIST_URL, params=params)
    data = response.json()
    return data.get('items', []), data.get('nextPageToken')

def get_playlist_items(playlist_id, page_token=None):
    """ 再生リスト内の動画を取得 """
    params = {
        'part': 'snippet',
        'playlistId': playlist_id,
        'maxResults': 50,
        'key': API_KEY,
        'pageToken': page_token
    }
    response = requests.get(PLAYLIST_ITEMS_URL, params=params)
    data = response.json()
    return data.get('items', []), data.get('nextPageToken')

def main():
    with open(CSV_FILE_PATH, mode='w', newline='', encoding='utf-8') as file:
        writer = csv.writer(file)
        writer.writerow(['Playlist Title', 'Video Title', 'Video URL'])  # CSVヘッダー

        page_token = None
        while True:
            # 再生リストの取得
            playlists, next_page_token = get_playlists(page_token)
            if not playlists:
                break

            for playlist in playlists:
                playlist_title = playlist['snippet']['title']
                playlist_id = playlist['id']

                # 再生リスト内の動画を取得
                playlist_page_token = None
                while True:
                    playlist_items, playlist_next_page_token = get_playlist_items(playlist_id, playlist_page_token)
                    if not playlist_items:
                        break

                    for item in playlist_items:
                        video_title = item['snippet']['title']
                        video_id = item['snippet']['resourceId']['videoId']
                        video_url = VIDEO_URL_TEMPLATE.format(video_id=video_id)

                        # CSVに書き込む
                        writer.writerow([playlist_title, video_title, video_url])

                    if not playlist_next_page_token:
                        break
                    playlist_page_token = playlist_next_page_token

            if not next_page_token:
                break
            page_token = next_page_token

if __name__ == '__main__':
    main()