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youtube-python is a simple client for youtube api. It uses Youtube Data API v3.
sudo pip install youtube-python
from youtube import API
api = API(client_id='', client_secret='', api_key='', access_token='optional')
video = api.get('videos', id='B7FJV9KIn58')
video = api.get('channels', id='UCLFZ5qAH-l_WiRd_EOzX2og')