Python 코드 예

Python용 Google API 클라이언트 라이브러리를 사용하는 다음 코드 샘플은 YouTube Data API에 사용할 수 있습니다. 이 코드 샘플들은 GitHub의 YouTube API 코드 샘플 리포지토리의 python 폴더에서 받으실 수 있습니다.

채널 게시판 게시

아래의 코드 샘플은 API의 activities.insert 메소드를 호출하여 요청과 관련된 채널에 게시판을 게시합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# 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))

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_READ_WRITE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

# This method calls the API's youtube.activities.insert method to post the
# channel bulletin.
def post_bulletin(youtube, args):
  body = dict(
    snippet=dict(
      description=args.message
    )
  )

  if args.video_id:
    body["contentDetails"] = dict(
      bulletin=dict(
        resourceId=dict(
          kind="youtube#video",
          videoId=args.video_id
        )
      )
    )

  if args.playlist_id:
    body["contentDetails"] = dict(
      bulletin=dict(
        resourceId=dict(
          kind="youtube#playlist",
          playlistId=args.playlist_id
        )
      )
    )

  youtube.activities().insert(
    part=",".join(body.keys()),
    body=body
  ).execute()

if __name__ == "__main__":
  argparser.add_argument("--message", required=True,
    help="Text of message to post.")
  argparser.add_argument("--video-id",
    help="Optional ID of video to post.")
  argparser.add_argument("--playlist-id",
    help="Optional ID of playlist to post.")
  args = argparser.parse_args()

  # You can post a message with or without an accompanying video or playlist.
  # However, you can't post a video and a playlist at the same time.
  if args.video_id and args.playlist_id:
    exit("You cannot post a video and a playlist at the same time.")

  youtube = get_authenticated_service(args)
  try:
    post_bulletin(youtube, args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "The bulletin was posted to your channel."

추천 동영상 추가

아래의 코드 샘플은 API의 channels.update 메소드를 호출하여 채널의 invideoPromotion 속성을 설정합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 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"

# If offsetMs is not valid, the API will throw an error
VALID_OFFSET_TYPES = ("offsetFromEnd", "offsetFromStart",)

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE, scope=YOUTUBE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

def add_featured_video(youtube, options):
  add_video_request = youtube.channels().update(
    part="invideoPromotion",
    # You can use the API Explorer to test API requests:
    #    https://developers.google.com/youtube/v3/docs/channels/update#try-it
    body={
      "invideoPromotion": {
        "items": [{
          "id": {
            "type": "video",
            "videoId": options.video_id
          },
          "timing": {
            "offsetMs": options.offset_ms,
            "type": options.offset_type
          }
        }],
      },
      "id": options.channel_id
  }).execute()

if __name__ == '__main__':
  argparser.add_argument("--channel-id", required=True,
    help="Channel ID of the channel to add a featured video")
  argparser.add_argument("--video-id",  required=True,
    help="Video ID to feature on your channel")
  argparser.add_argument("--offset-ms",
    help="Offset in milliseconds to show video.",
    default="10000")
  argparser.add_argument("--offset-type", choices=VALID_OFFSET_TYPES,
    help="Whether the offset is from the beginning or end of video playback.",
    default=VALID_OFFSET_TYPES[0])
  args = argparser.parse_args()

  youtube = get_authenticated_service(args)
  try:
    add_featured_video(youtube, args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "Added featured video %s to channel %s." % (
      args.video_id, args.channel_id)

내 업로드 검색

아래의 코드 샘플은 API의 playlistItems.list 메소드를 호출하여 요청과 관련된 채널에 업로드된 동영상 목록을 검색합니다. 이 코드는 mine 매개변수를 true로 설정하고 channels.list 메소드를 호출하여 채널에 업로드된 동영상을 식별하는 재생목록 ID도 검색할 수 있습니다.

#!/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

재생목록 만들기

아래의 코드 샘플은 API의 playlists.insert 메소드를 호출하여 요청을 인증하는 채널에서 소유한 비공개 재생목록을 만듭니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

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

# This code creates a new, private playlist in the authorized user's channel.
playlists_insert_response = youtube.playlists().insert(
  part="snippet,status",
  body=dict(
    snippet=dict(
      title="Test Playlist",
      description="A private playlist created with the YouTube API v3"
    ),
    status=dict(
      privacyStatus="private"
    )
  )
).execute()

print "New playlist id: %s" % playlists_insert_response["id"]

주제별 검색

아래의 코드 샘플은 API의 search.list 메소드를 호출하여 특정 Freebase 주제와 관련된 검색 결과를 검색합니다.

#!/usr/bin/python

from apiclient.discovery import build
from apiclient.errors import HttpError
from oauth2client.tools import argparser

import json
import urllib


# Set DEVELOPER_KEY to the API key value from the APIs & auth > Registered apps
# tab of
#   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"
FREEBASE_SEARCH_URL = "https://www.googleapis.com/freebase/v1/search?%s"

def get_topic_id(options):
  # Retrieve a list of Freebase topics associated with the provided query term.
  freebase_params = dict(query=options.query, key=DEVELOPER_KEY)
  freebase_url = FREEBASE_SEARCH_URL % urllib.urlencode(freebase_params)
  freebase_response = json.loads(urllib.urlopen(freebase_url).read())

  if len(freebase_response["result"]) == 0:
    exit("No matching terms were found in Freebase.")

  # Display the list of matching Freebase topics.
  mids = []
  index = 1
  print "The following topics were found:"
  for result in freebase_response["result"]:
    mids.append(result["mid"])
    print "  %2d. %s (%s)" % (index, result.get("name", "Unknown"),
      result.get("notable", {}).get("name", "Unknown"))
    index += 1

  # Display a prompt for the user to select a topic and return the topic ID
  # of the selected topic.
  mid = None
  while mid is None:
    index = raw_input("Enter a topic number to find related YouTube %ss: " %
      options.type)
    try:
      mid = mids[int(index) - 1]
    except ValueError:
      pass
  return mid


def youtube_search(mid, options):
  youtube = build(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION,
  developerKey=DEVELOPER_KEY)

  # Call the search.list method to retrieve results associated with the
  # specified Freebase topic.
  search_response = youtube.search().list(
    topicId=mid,
    type=options.type,
    part="id,snippet",
    maxResults=options.max_results
  ).execute()

  # Print the title and ID of each matching resource.
  for search_result in search_response.get("items", []):
    if search_result["id"]["kind"] == "youtube#video":
      print "%s (%s)" % (search_result["snippet"]["title"],
        search_result["id"]["videoId"])
    elif search_result["id"]["kind"] == "youtube#channel":
      print "%s (%s)" % (search_result["snippet"]["title"],
        search_result["id"]["channelId"])
    elif search_result["id"]["kind"] == "youtube#playlist":
      print "%s (%s)" % (search_result["snippet"]["title"],
        search_result["id"]["playlistId"])


if __name__ == "__main__":
  argparser.add_argument("--query", help="Freebase search term", default="Google")
  argparser.add_argument("--max-results", help="Max YouTube results",
    default=25)
  argparser.add_argument("--type",
    help="YouTube result type: video, playlist, or channel", default="channel")
  args = argparser.parse_args()

  mid = get_topic_id(args)
  try:
    youtube_search(mid, args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)

키워드별 검색

아래의 코드 샘플은 API의 search.list 메소드를 사용하여 특정 키워드와 관련된 검색 결과를 검색합니다.

#!/usr/bin/python

from apiclient.discovery import build
from apiclient.errors import HttpError
from oauth2client.tools import argparser


# Set DEVELOPER_KEY to the API key value from the APIs & auth > Registered apps
# tab of
#   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 youtube_search(options):
  youtube = build(YOUTUBE_API_SERVICE_NAME, YOUTUBE_API_VERSION,
    developerKey=DEVELOPER_KEY)

  # Call the search.list method to retrieve results matching the specified
  # query term.
  search_response = youtube.search().list(
    q=options.q,
    part="id,snippet",
    maxResults=options.max_results
  ).execute()

  videos = []
  channels = []
  playlists = []

  # Add each result to the appropriate list, and then display the lists of
  # matching videos, channels, and playlists.
  for search_result in search_response.get("items", []):
    if search_result["id"]["kind"] == "youtube#video":
      videos.append("%s (%s)" % (search_result["snippet"]["title"],
                                 search_result["id"]["videoId"]))
    elif search_result["id"]["kind"] == "youtube#channel":
      channels.append("%s (%s)" % (search_result["snippet"]["title"],
                                   search_result["id"]["channelId"]))
    elif search_result["id"]["kind"] == "youtube#playlist":
      playlists.append("%s (%s)" % (search_result["snippet"]["title"],
                                    search_result["id"]["playlistId"]))

  print "Videos:\n", "\n".join(videos), "\n"
  print "Channels:\n", "\n".join(channels), "\n"
  print "Playlists:\n", "\n".join(playlists), "\n"


if __name__ == "__main__":
  argparser.add_argument("--q", help="Search term", default="Google")
  argparser.add_argument("--max-results", help="Max results", default=25)
  args = argparser.parse_args()

  try:
    youtube_search(args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)

채널 구독 추가

아래의 코드 샘플은 API의 subscriptions.insert 메소드를 호출하여 지정된 채널에 구독을 추가합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# 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))

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_READ_WRITE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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


# This method calls the API's youtube.subscriptions.insert method to add a
# subscription to the specified channel.
def add_subscription(youtube, channel_id):
  add_subscription_response = youtube.subscriptions().insert(
    part='snippet',
    body=dict(
      snippet=dict(
        resourceId=dict(
          channelId=channel_id
        )
      )
    )).execute()

  return add_subscription_response["snippet"]["title"]

if __name__ == "__main__":
  argparser.add_argument("--channel-id", help="ID of the channel to subscribe to.",
    default="UCtVd0c0tGXuTSbU5d8cSBUg")
  args = argparser.parse_args()

  youtube = get_authenticated_service(args)
  try:
    channel_title = add_subscription(youtube, args.channel_id)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "A subscription to '%s' was added." % channel_title

동영상 미리보기 이미지 업로드

아래의 코드 샘플은 API의 thumbnails.set 메소드를 호출하여 이미지를 업로드하고 동영상의 미리보기 이미지로 설정합니다. 요청은 동영상을 소유한 채널에서 인증 받아야 합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# 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))

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_READ_WRITE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

# Call the API's thumbnails.set method to upload the thumbnail image and
# associate it with the appropriate video.
def upload_thumbnail(youtube, video_id, file):
  youtube.thumbnails().set(
    videoId=video_id,
    media_body=file
  ).execute()

if __name__ == "__main__":
  # The "videoid" option specifies the YouTube video ID that uniquely
  # identifies the video for which the thumbnail image is being updated.
  argparser.add_argument("--video-id", required=True,
    help="ID of video whose thumbnail you're updating.")
  # The "file" option specifies the path to the thumbnail image file.
  argparser.add_argument("--file", required=True,
    help="Path to thumbnail image file.")
  args = argparser.parse_args()

  if not os.path.exists(args.file):
    exit("Please specify a valid file using the --file= parameter.")

  youtube = get_authenticated_service(args)
  try:
    upload_thumbnail(youtube, args.video_id, args.file)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "The custom thumbnail was successfully set."

동영상 업로드

아래의 코드 샘플은 API의 videos.insert 메소드를 호출하여 요청과 관련된 채널에 동영상을 업로드합니다.

#!/usr/bin/python

import httplib
import httplib2
import os
import random
import sys
import time

from apiclient.discovery import build
from apiclient.errors import HttpError
from apiclient.http import MediaFileUpload
from oauth2client.client import flow_from_clientsecrets
from oauth2client.file import Storage
from oauth2client.tools import argparser, run_flow


# Explicitly tell the underlying HTTP transport library not to retry, since
# we are handling retry logic ourselves.
httplib2.RETRIES = 1

# Maximum number of times to retry before giving up.
MAX_RETRIES = 10

# Always retry when these exceptions are raised.
RETRIABLE_EXCEPTIONS = (httplib2.HttpLib2Error, IOError, httplib.NotConnected,
  httplib.IncompleteRead, httplib.ImproperConnectionState,
  httplib.CannotSendRequest, httplib.CannotSendHeader,
  httplib.ResponseNotReady, httplib.BadStatusLine)

# Always retry when an apiclient.errors.HttpError with one of these status
# codes is raised.
RETRIABLE_STATUS_CODES = [500, 502, 503, 504]

# 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 OAuth 2.0 access scope allows an application to upload files to the
# authenticated user's YouTube channel, but doesn't allow other types of access.
YOUTUBE_UPLOAD_SCOPE = "https://www.googleapis.com/auth/youtube.upload"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# 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))

VALID_PRIVACY_STATUSES = ("public", "private", "unlisted")


def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_UPLOAD_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

def initialize_upload(youtube, options):
  tags = None
  if options.keywords:
    tags = options.keywords.split(",")

  body=dict(
    snippet=dict(
      title=options.title,
      description=options.description,
      tags=tags,
      categoryId=options.category
    ),
    status=dict(
      privacyStatus=options.privacyStatus
    )
  )

  # Call the API's videos.insert method to create and upload the video.
  insert_request = youtube.videos().insert(
    part=",".join(body.keys()),
    body=body,
    # The chunksize parameter specifies the size of each chunk of data, in
    # bytes, that will be uploaded at a time. Set a higher value for
    # reliable connections as fewer chunks lead to faster uploads. Set a lower
    # value for better recovery on less reliable connections.
    #
    # Setting "chunksize" equal to -1 in the code below means that the entire
    # file will be uploaded in a single HTTP request. (If the upload fails,
    # it will still be retried where it left off.) This is usually a best
    # practice, but if you're using Python older than 2.6 or if you're
    # running on App Engine, you should set the chunksize to something like
    # 1024 * 1024 (1 megabyte).
    media_body=MediaFileUpload(options.file, chunksize=-1, resumable=True)
  )

  resumable_upload(insert_request)

# This method implements an exponential backoff strategy to resume a
# failed upload.
def resumable_upload(insert_request):
  response = None
  error = None
  retry = 0
  while response is None:
    try:
      print "Uploading file..."
      status, response = insert_request.next_chunk()
      if response is not None:
        if 'id' in response:
          print "Video id '%s' was successfully uploaded." % response['id']
        else:
          exit("The upload failed with an unexpected response: %s" % response)
    except HttpError, e:
      if e.resp.status in RETRIABLE_STATUS_CODES:
        error = "A retriable HTTP error %d occurred:\n%s" % (e.resp.status,
                                                             e.content)
      else:
        raise
    except RETRIABLE_EXCEPTIONS, e:
      error = "A retriable error occurred: %s" % e

    if error is not None:
      print error
      retry += 1
      if retry > MAX_RETRIES:
        exit("No longer attempting to retry.")

      max_sleep = 2 ** retry
      sleep_seconds = random.random() * max_sleep
      print "Sleeping %f seconds and then retrying..." % sleep_seconds
      time.sleep(sleep_seconds)

if __name__ == '__main__':
  argparser.add_argument("--file", required=True, help="Video file to upload")
  argparser.add_argument("--title", help="Video title", default="Test Title")
  argparser.add_argument("--description", help="Video description",
    default="Test Description")
  argparser.add_argument("--category", default="22",
    help="Numeric video category. " +
      "See https://developers.google.com/youtube/v3/docs/videoCategories/list")
  argparser.add_argument("--keywords", help="Video keywords, comma separated",
    default="")
  argparser.add_argument("--privacyStatus", choices=VALID_PRIVACY_STATUSES,
    default=VALID_PRIVACY_STATUSES[0], help="Video privacy status.")
  args = argparser.parse_args()

  if not os.path.exists(args.file):
    exit("Please specify a valid file using the --file= parameter.")

  youtube = get_authenticated_service(args)
  try:
    initialize_upload(youtube, args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)

동영상 평가(좋아요)

아래의 코드 샘플은 API의 videos.rate 메소드를 호출하여 동영상을 추천하도록 설정합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_READ_WRITE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

# Add the video rating. This code sets the rating to "like," but you could
# also support an additional option that supports values of "like" and
# "dislike."
def like_video(youtube, video_id):
  youtube.videos().rate(
    id=video_id,
    rating="like"
  ).execute()

if __name__ == "__main__":
  argparser.add_argument("--videoid", default="L-oNKK1CrnU",
    help="ID of video to like.")
  args = argparser.parse_args()

  youtube = get_authenticated_service(args)
  try:
    like_video(youtube, args.videoid)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "%s has been liked." % args.videoid

동영상 업데이트

아래의 코드 샘플은 API의 videos.update 메소드를 호출하여 요청을 인증하는 채널에서 소유한 동영상을 업데이트합니다.

#!/usr/bin/python

import httplib2
import os
import sys

from apiclient.discovery import build
from apiclient.errors import HttpError
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 OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
YOUTUBE_READ_WRITE_SCOPE = "https://www.googleapis.com/auth/youtube"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"

# 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))

def get_authenticated_service(args):
  flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
    scope=YOUTUBE_READ_WRITE_SCOPE,
    message=MISSING_CLIENT_SECRETS_MESSAGE)

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

  if credentials is None or credentials.invalid:
    credentials = run_flow(flow, storage, args)

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

def update_video(youtube, options):
  # Call the API's videos.list method to retrieve the video resource.
  videos_list_response = youtube.videos().list(
    id=options.video_id,
    part='snippet'
  ).execute()

  # If the response does not contain an array of "items" then the video was
  # not found.
  if not videos_list_response["items"]:
    print "Video '%s' was not found." % options.video_id
    sys.exit(1)

  # Since the request specified a video ID, the response only contains one
  # video resource. This code extracts the snippet from that resource.
  videos_list_snippet = videos_list_response["items"][0]["snippet"]

  # Preserve any tags already associated with the video. If the video does
  # not have any tags, create a new array. Append the provided tag to the
  # list of tags associated with the video.
  if "tags" not in  videos_list_snippet:
    videos_list_snippet["tags"] = []
  videos_list_snippet["tags"].append(options.tag)

  # Update the video resource by calling the videos.update() method.
  videos_update_response = youtube.videos().update(
    part='snippet',
    body=dict(
      snippet=videos_list_snippet,
      id=options.video_id
    )).execute()

if __name__ == "__main__":
  argparser.add_argument("--video-id", help="ID of video to update.",
    required=True)
  argparser.add_argument("--tag", default="youtube",
    help="Additional tag to add to video.")
  args = argparser.parse_args()

  youtube = get_authenticated_service(args)
  try:
    update_video(youtube, args)
  except HttpError, e:
    print "An HTTP error %d occurred:\n%s" % (e.resp.status, e.content)
  else:
    print "Tag '%s' was added to video id '%s'." % (args.tag, args.video_id)