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channel_localizations.py
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channel_localizations.py
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#!/usr/bin/python
# Usage example:
# python channel_localizations.py --action='<action>' --channel_id='<channel_id>' --default_language='<default_language>' --language='<language>' --title='<title>' --description='<description>'
import argparse
import os
import re
import google.oauth2.credentials
import google_auth_oauthlib.flow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from google_auth_oauthlib.flow import InstalledAppFlow
# 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 Cloud Console }} at
# {{ https://cloud.google.com/console }}.
# 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_secret.json'
# This OAuth 2.0 access scope allows for full read/write access to the
# authenticated user's account.
SCOPES = ['https://www.googleapis.com/auth/youtube']
API_SERVICE_NAME = 'youtube'
API_VERSION = 'v3'
# Authorize the request and store authorization credentials.
def get_authenticated_service():
flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRETS_FILE, SCOPES)
credentials = flow.run_console()
return build(API_SERVICE_NAME, API_VERSION, credentials = credentials)
# Call the API's channels.update method to update an existing channel's default language,
# and localized description in a specific language.
def set_channel_localization(youtube, args):
results = youtube.channels().list(
part='localizations',
id=args.channel_id
).execute()
channel = results['items'][0]
# Ensure that a value is set for the resource's snippet.defaultLanguage property.
# To set the snippet.defaultLanguage property for a channel resource,
# you actually need to update the brandingSettings.channel.defaultLanguage property.
if 'localizations' not in channel:
channel['localizations'] = {}
if args.title and args.description and args.language:
channel['localizations'][args.language] = {
'title': args.title,
'description': args.description
}
# Set the default language if it is provided as an argument
if args.default_language:
results = youtube.channels().list(
part='brandingSettings',
id=args.channel_id
).execute()
branding_settings_channel = results['items'][0]
# This property must be removed when changing the default language
# or set to the original channel title to avoid a
# channelTitleUpdateForbidden error.
del branding_settings_channel['brandingSettings']['channel']['title']
branding_settings_channel['brandingSettings']['channel']['defaultLanguage'] = (
args.default_language)
language_result = youtube.channels().update(
part='brandingSettings',
body=branding_settings_channel
).execute()
updated_default_language = (
language_result['brandingSettings']['channel']['defaultLanguage'])
print 'Updated language to %s' % updated_default_language
update_result = youtube.channels().update(
part='localizations',
body=channel
).execute()
localization = update_result['localizations'][args.language]
print ('Updated channel \'%s\' localized title and description to '
'\'%s\' and \'%s\' in language \'%s\'' %
(args.channel_id, localization['title'], localization['description'], args.language))
# Call the API's channels.list method to retrieve an existing channel localization.
# If the localized text is not available in the requested language,
# this method will return text in the default language.
def get_channel_localization(youtube, channel_id, language):
results = youtube.channels().list(
part='snippet',
id=channel_id,
hl=language
).execute()
# The localized object contains localized text if the hl parameter specified
# a language for which localized text is available. Otherwise, the localized
# object will contain metadata in the default language.
localized = results['items'][0]['snippet']['localized']
print 'Channel description is \'%s\' in language \'%s\'' % (localized['description'], language)
# Call the API's channels.list method to list the existing channel localizations.
def list_channel_localizations(youtube, channel_id):
results = youtube.channels().list(
part='snippet,localizations',
id=channel_id
).execute()
localizations = results['items'][0]['localizations']
for language, localization in localizations.iteritems():
print 'Channel description is \'%s\' in language \'%s\'' % (localization['description'], language)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
# The 'action' option specifies the action to be processed.
parser.add_argument('--action', help='Action')
# The 'channel_id' option specifies the ID of the selected YouTube channel.
parser.add_argument('--channel_id',
help='ID for channel for which the localization will be applied.')
# The 'default_language' option specifies the language of the channel's default metadata.
parser.add_argument('--default_language', help='Default language of the channel to update.',
default=None)
# The 'language' option specifies the language of the localization that is being processed.
parser.add_argument('--language', help='Language of the localization.', default='de')
# The 'title' option specifies the localized title of the chanel to be set.
parser.add_argument('--title', help='Localized title of the channel to be set.',
default='Localized title')
# The 'description' option specifies the localized description of the chanel to be set.
parser.add_argument('--description', help='Localized description of the channel to be set.',
default='Localized description')
args = parser.parse_args()
if not args.channel_id:
exit('Please specify channel id using the --channel_id= parameter.')
youtube = get_authenticated_service()
try:
if args.action == 'set':
set_channel_localization(youtube, args)
elif args.action == 'get':
get_channel_localization(youtube, args.channel_id, args.language)
elif args.action == 'list':
list_channel_localizations(youtube, args.channel_id)
else:
exit('Please specify a valid action using the --action= parameter.')
except HttpError, e:
print 'An HTTP error %d occurred:\n%s' % (e.resp.status, e.content)
else:
print 'Set or retrieved localized metadata for a channel.'