youtube-upload.py

import httplib2
import os
import random
import sys
import time

from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from googleapiclient.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)

# 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.developers.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.
scopes = ["https://www.googleapis.com/auth/youtube", "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.developers.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 update_playlist(playlist_id, video_id):
    """
    Adds a video to a playlist.
    :param playlist_id:
    :param video_id:
    :return:
    """
    # Disable OAuthlib's HTTPS verification when running locally.
    # *DO NOT* leave this option enabled in production.
    os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"

    api_service_name = "youtube"
    api_version = "v3"

    # Get credentials and create an API client
    flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
                                   scope=scopes,
                                   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)

    client = build(api_service_name, api_version,
                   http=credentials.authorize(httplib2.Http()))

    request = client.playlistItems().insert(
        part="snippet",
        body={
            "snippet": {
                "playlistId": playlist_id,
                "position": 0,
                "resourceId": {
                    "kind": "youtube#video",
                    "videoId": video_id
                }
            }
        }
    )
    response = request.execute()

    print(response)


def get_authenticated_service(args):
    flow = flow_from_clientsecrets(CLIENT_SECRETS_FILE,
                                   scope=scopes,
                                   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)
    )

    return 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'])
                    return response
                else:
                    exit("The upload failed with an unexpected response: %s" % response)
        except HttpError as 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 as 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.")
    argparser.add_argument("--playlist", default="", help="Playlist id to add the video to")
    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:
        res = initialize_upload(youtube, args)
        if res:
            if args.playlist:
                update_playlist(args.playlist, res['id'])
    except HttpError as e:
        print("An HTTP error %d occurred:\n%s" % (e.resp.status, e.content))