"Added sample: python/channel_localizations.py"

Author: AndyDiamondstein

python/channel_localizations.py

@@ -0,0 +1,161 @@
+#!/usr/bin/python
+
+# Usage example:
+# python channel_localizations.py --action='<action>' --channel_id='<channel_id>' --default_language='<default_language>' --language='<language>' --description='<description>'
+
+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 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_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 APIs 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))
+
+# Authorize the request and store authorization credentials.
+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 channels.update method to update an existing channel's default language,
+# and localized description in a specific language.
+def set_channel_localization(youtube, channel_id, default_language, language, description):
+  results = youtube.channels().list(
+    part="brandingSettings,localizations",
+    id=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.
+  channel["brandingSettings"]["channel"]["defaultLanguage"] = default_language
+  if "localizations" not in channel:
+    channel["localizations"] = {}
+  channel["localizations"][language] = {
+    "description": description
+  }
+
+  update_result = youtube.channels().update(
+    part="brandingSettings,localizations",
+    body=channel
+  ).execute()
+
+  localization = update_result["localizations"][language]
+
+  print ("Updated channel '%s' default language to '%s', localized description"
+         " to '%s' in language '%s'" % (channel_id, localization["description"], 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__":
+  # The "action" option specifies the action to be processed.
+  argparser.add_argument("--action", help="Action")
+  # The "channel_id" option specifies the ID of the selected YouTube channel.
+  argparser.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.
+  argparser.add_argument("--default_language", help="Default language of the channel to update.",
+    default="en")
+  # The "language" option specifies the language of the localization that is being processed.
+  argparser.add_argument("--language", help="Language of the localization.", default="de")
+  # The "description" option specifies the localized description of the chanel to be set.
+  argparser.add_argument("--description", help="Localized description of the channel to be set.",
+    default="Localized Description")
+
+  args = argparser.parse_args()
+
+  if not args.channel_id:
+    exit("Please specify channel id using the --channel_id= parameter.")
+
+  youtube = get_authenticated_service(args)
+  try:
+    if args.action == 'set':
+      set_channel_localization(youtube, args.channel_id, args.default_language, args.language, args.description)
+    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 and retrieved localized metadata for a channel."