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Commit 6fd30ed

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add youtube api tutorial
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‎README.md‎

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@@ -133,6 +133,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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- [How to Get Google Page Ranking in Python](https://www.thepythoncode.com/article/get-google-page-ranking-by-keyword-in-python). ([code](general/getting-google-page-ranking))
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- [How to Make a Telegram Bot in Python](https://www.thepythoncode.com/article/make-a-telegram-bot-in-python). ([code](general/telegram-bot))
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- [How to Use Gmail API in Python](https://www.thepythoncode.com/article/use-gmail-api-in-python). ([code](general/gmail-api))
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- [How to Use YouTube API in Python](https://www.thepythoncode.com/article/using-youtube-api-in-python). ([code](general/youtube-api))
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- ### [Database](https://www.thepythoncode.com/topic/using-databases-in-python)
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- [How to Use MySQL Database in Python](https://www.thepythoncode.com/article/using-mysql-database-in-python). ([code](database/mysql-connector))
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‎general/youtube-api/README.md‎

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# [How to Use YouTube API in Python](https://www.thepythoncode.com/article/using-youtube-api-in-python)
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To run this:
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- `pip3 install -r requirements.txt`
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- For complete code, use `youtube-api.ipynb`
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- To get video details: `video_details.py`
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- To get channel details: `channel_details.py`
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- To search by keyword: `search_by_keyword.py`
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- To extract comments: `comments.py`
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‎general/youtube-api/channel_details.py‎

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from utils import (
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youtube_authenticate,
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get_channel_id_by_url,
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get_channel_details,
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get_video_details,
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print_video_infos
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)
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def get_channel_videos(youtube, **kwargs):
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return youtube.search().list(
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**kwargs
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).execute()
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if __name__ == "__main__":
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# authenticate to YouTube API
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youtube = youtube_authenticate()
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channel_url = "https://www.youtube.com/channel/UC8butISFwT-Wl7EV0hUK0BQ"
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# get the channel ID from the URL
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channel_id = get_channel_id_by_url(youtube, channel_url)
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# get the channel details
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response = get_channel_details(youtube, id=channel_id)
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# extract channel infos
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snippet = response["items"][0]["snippet"]
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statistics = response["items"][0]["statistics"]
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channel_country = snippet["country"]
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channel_description = snippet["description"]
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channel_creation_date = snippet["publishedAt"]
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channel_title = snippet["title"]
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channel_subscriber_count = statistics["subscriberCount"]
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channel_video_count = statistics["videoCount"]
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channel_view_count = statistics["viewCount"]
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print(f"""
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Title: {channel_title}
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Published At: {channel_creation_date}
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Description: {channel_description}
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Country: {channel_country}
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Number of videos: {channel_video_count}
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Number of subscribers: {channel_subscriber_count}
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Total views: {channel_view_count}
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""")
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# the following is grabbing channel videos
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# number of pages you want to get
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n_pages = 2
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# counting number of videos grabbed
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n_videos = 0
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next_page_token = None
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for i in range(n_pages):
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params = {
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'part': 'snippet',
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'q': '',
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'channelId': channel_id,
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'type': 'video',
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}
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if next_page_token:
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params['pageToken'] = next_page_token
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res = get_channel_videos(youtube, **params)
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channel_videos = res.get("items")
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for video in channel_videos:
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n_videos += 1
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video_id = video["id"]["videoId"]
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# easily construct video URL by its ID
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video_url = f"https://www.youtube.com/watch?v={video_id}"
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video_response = get_video_details(youtube, id=video_id)
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print(f"================Video #{n_videos}================")
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# print the video details
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print_video_infos(video_response)
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print(f"Video URL: {video_url}")
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print("="*40)
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# if there is a next page, then add it to our parameters
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# to proceed to the next page
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if "nextPageToken" in res:
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next_page_token = res["nextPageToken"]
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‎general/youtube-api/comments.py‎

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from utils import youtube_authenticate, get_video_id_by_url, get_channel_id_by_url
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def get_comments(youtube, **kwargs):
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return youtube.commentThreads().list(
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part="snippet",
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**kwargs
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).execute()
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if __name__ == "__main__":
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# authenticate to YouTube API
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youtube = youtube_authenticate()
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# URL can be a channel or a video, to extract comments
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url = "https://www.youtube.com/watch?v=jNQXAC9IVRw&ab_channel=jawed"
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if "watch" in url:
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# that's a video
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video_id = get_video_id_by_url(url)
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params = {
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'videoId': video_id,
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'maxResults': 2,
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'order': 'relevance', # default is 'time' (newest)
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}
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else:
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# should be a channel
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channel_id = get_channel_id_by_url(url)
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params = {
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'allThreadsRelatedToChannelId': channel_id,
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'maxResults': 2,
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'order': 'relevance', # default is 'time' (newest)
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}
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# get the first 2 pages (2 API requests)
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n_pages = 2
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for i in range(n_pages):
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# make API call to get all comments from the channel (including posts & videos)
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response = get_comments(youtube, **params)
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items = response.get("items")
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# if items is empty, breakout of the loop
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if not items:
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break
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for item in items:
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comment = item["snippet"]["topLevelComment"]["snippet"]["textDisplay"]
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updated_at = item["snippet"]["topLevelComment"]["snippet"]["updatedAt"]
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like_count = item["snippet"]["topLevelComment"]["snippet"]["likeCount"]
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comment_id = item["snippet"]["topLevelComment"]["id"]
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print(f"""\
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Comment: {comment}
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Likes: {like_count}
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Updated At: {updated_at}
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==================================\
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""")
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if "nextPageToken" in response:
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# if there is a next page
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# add next page token to the params we pass to the function
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params["pageToken"] = response["nextPageToken"]
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else:
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# must be end of comments!!!!
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break
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print("*"*70)
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‎general/youtube-api/requirements.txt‎

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google-api-python-client
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google-auth-httplib2
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google-auth-oauthlib
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‎general/youtube-api/search_by_keyword.py‎

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from utils import (
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youtube_authenticate,
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get_video_details,
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print_video_infos,
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search
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)
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if __name__ == "__main__":
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# authenticate to YouTube API
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youtube = youtube_authenticate()
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# search for the query 'python' and retrieve 2 items only
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response = search(youtube, q="python", maxResults=2)
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items = response.get("items")
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for item in items:
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# get the video ID
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video_id = item["id"]["videoId"]
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# get the video details
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video_response = get_video_details(youtube, id=video_id)
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# print the video details
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print_video_infos(video_response)
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print("="*50)
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‎general/youtube-api/utils.py‎

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from googleapiclient.discovery import build
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from google_auth_oauthlib.flow import InstalledAppFlow
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from google.auth.transport.requests import Request
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import urllib.parse as p
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import re
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import os
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import pickle
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SCOPES = ["https://www.googleapis.com/auth/youtube.force-ssl"]
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def youtube_authenticate():
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os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"
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api_service_name = "youtube"
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api_version = "v3"
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client_secrets_file = "credentials.json"
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creds = None
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# the file token.pickle stores the user's access and refresh tokens, and is
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# created automatically when the authorization flow completes for the first time
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if os.path.exists("token.pickle"):
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with open("token.pickle", "rb") as token:
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creds = pickle.load(token)
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# if there are no (valid) credentials availablle, let the user log in.
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if not creds or not creds.valid:
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if creds and creds.expired and creds.refresh_token:
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creds.refresh(Request())
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else:
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flow = InstalledAppFlow.from_client_secrets_file(client_secrets_file, SCOPES)
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creds = flow.run_local_server(port=0)
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# save the credentials for the next run
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with open("token.pickle", "wb") as token:
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pickle.dump(creds, token)
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return build(api_service_name, api_version, credentials=creds)
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def get_channel_details(youtube, **kwargs):
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return youtube.channels().list(
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part="statistics,snippet,contentDetails",
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**kwargs
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).execute()
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def search(youtube, **kwargs):
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return youtube.search().list(
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part="snippet",
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**kwargs
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).execute()
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def get_video_details(youtube, **kwargs):
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return youtube.videos().list(
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part="snippet,contentDetails,statistics",
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**kwargs
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).execute()
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def print_video_infos(video_response):
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items = video_response.get("items")[0]
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# get the snippet, statistics & content details from the video response
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snippet = items["snippet"]
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statistics = items["statistics"]
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content_details = items["contentDetails"]
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# get infos from the snippet
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channel_title = snippet["channelTitle"]
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title = snippet["title"]
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description = snippet["description"]
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publish_time = snippet["publishedAt"]
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# get stats infos
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comment_count = statistics["commentCount"]
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like_count = statistics["likeCount"]
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dislike_count = statistics["dislikeCount"]
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view_count = statistics["viewCount"]
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# get duration from content details
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duration = content_details["duration"]
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# duration in the form of something like 'PT5H50M15S'
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# parsing it to be something like '5:50:15'
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parsed_duration = re.search(f"PT(\d+H)?(\d+M)?(\d+S)", duration).groups()
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duration_str = ""
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for d in parsed_duration:
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if d:
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duration_str += f"{d[:-1]}:"
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duration_str = duration_str.strip(":")
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print(f"""
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Title: {title}
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Description: {description}
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Channel Title: {channel_title}
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Publish time: {publish_time}
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Duration: {duration_str}
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Number of comments: {comment_count}
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Number of likes: {like_count}
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Number of dislikes: {dislike_count}
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Number of views: {view_count}
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""")
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def parse_channel_url(url):
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"""
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This function takes channel `url` to check whether it includes a
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channel ID, user ID or channel name
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"""
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path = p.urlparse(url).path
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id = path.split("/")[-1]
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if "/c/" in path:
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return "c", id
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elif "/channel/" in path:
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return "channel", id
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elif "/user/" in path:
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return "user", id
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def get_channel_id_by_url(youtube, url):
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"""
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Returns channel ID of a given `id` and `method`
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- `method` (str): can be 'c', 'channel', 'user'
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- `id` (str): if method is 'c', then `id` is display name
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if method is 'channel', then it's channel id
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if method is 'user', then it's username
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"""
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# parse the channel URL
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method, id = parse_channel_url(url)
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if method == "channel":
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# if it's a channel ID, then just return it
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return id
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elif method == "user":
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# if it's a user ID, make a request to get the channel ID
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response = get_channel_details(youtube, forUsername=id)
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items = response.get("items")
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if items:
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channel_id = items[0].get("id")
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return channel_id
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elif method == "c":
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# if it's a channel name, search for the channel using the name
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# may be inaccurate
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response = search(youtube, q=id, maxResults=1)
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items = response.get("items")
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if items:
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channel_id = items[0]["snippet"]["channelId"]
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return channel_id
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raise Exception(f"Cannot find ID:{id} with {method} method")
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def get_video_id_by_url(url):
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"""
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Return the Video ID from the video `url`
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"""
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# split URL parts
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parsed_url = p.urlparse(url)
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# get the video ID by parsing the query of the URL
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video_id = p.parse_qs(parsed_url.query).get("v")
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if video_id:
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return video_id[0]
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else:
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raise Exception(f"Wasn't able to parse video URL: {url}")
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‎general/youtube-api/video_details.py‎

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from utils import (
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youtube_authenticate,
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get_video_id_by_url,
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get_video_details,
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print_video_infos
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)
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if __name__ == "__main__":
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# authenticate to YouTube API
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youtube = youtube_authenticate()
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video_url = "https://www.youtube.com/watch?v=jNQXAC9IVRw&ab_channel=jawed"
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# parse video ID from URL
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video_id = get_video_id_by_url(video_url)
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# make API call to get video info
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response = get_video_details(youtube, id=video_id)
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# print extracted video infos
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print_video_infos(response)

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