Adding Blogger sample command line application.
Reviewed in http://codereview.appspot.com/5303064/.
Index: samples/blogger/blogger.py
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+#!/usr/bin/python2.4
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Simple command-line sample for Blogger.
+
+Command-line application that retrieves the users blogs and posts.
+
+Usage:
+ $ python blogger.py
+
+You can also get help on all the command-line flags the program understands
+by running:
+
+ $ python blogger.py --help
+
+To get detailed log output run:
+
+ $ python blogger.py --logging_level=DEBUG
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import gflags
+import httplib2
+import logging
+import pprint
+import sys
+import os
+
+from apiclient.discovery import build
+from oauth2client.file import Storage
+from oauth2client.client import AccessTokenRefreshError
+from oauth2client.client import flow_from_clientsecrets
+from oauth2client.tools import run
+
+FLAGS = gflags.FLAGS
+
+# CLIENT_SECRETS, name of a file containing the OAuth 2.0 information for this
+# application, including client_id and client_secret, which are found
+# on the API Access tab on the Google APIs
+# Console <http://code.google.com/apis/console>
+CLIENT_SECRETS = 'client_secrets.json'
+
+# Helpful message to display in the browser 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://code.google.com/apis/console>.
+
+""" % os.path.join(os.path.dirname(__file__), CLIENT_SECRETS)
+
+# Set up a Flow object to be used if we need to authenticate.
+FLOW = flow_from_clientsecrets(CLIENT_SECRETS,
+ scope='https://www.googleapis.com/auth/blogger',
+ message=MISSING_CLIENT_SECRETS_MESSAGE)
+
+# The gflags module makes defining command-line options easy for
+# applications. Run this program with the '--help' argument to see
+# all the flags that it understands.
+gflags.DEFINE_enum('logging_level', 'ERROR',
+ ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
+ 'Set the level of logging detail.')
+
+
+def main(argv):
+ # Let the gflags module process the command-line arguments
+ try:
+ argv = FLAGS(argv)
+ except gflags.FlagsError, e:
+ print '%s\\nUsage: %s ARGS\\n%s' % (e, argv[0], FLAGS)
+ sys.exit(1)
+
+ # Set the logging according to the command-line flag
+ logging.getLogger().setLevel(getattr(logging, FLAGS.logging_level))
+
+ # If the Credentials don't exist or are invalid run through the native client
+ # flow. The Storage object will ensure that if successful the good
+ # Credentials will get written back to a file.
+ storage = Storage('blogger.dat')
+ credentials = storage.get()
+ if credentials is None or credentials.invalid:
+ credentials = run(FLOW, storage)
+
+ # Create an httplib2.Http object to handle our HTTP requests and authorize it
+ # with our good Credentials.
+ http = httplib2.Http()
+ http = credentials.authorize(http)
+
+ service = build("blogger", "v2", http=http)
+
+ try:
+
+ users = service.users()
+
+ # Retrieve this user's profile information
+ thisuser = users.get(userId="self").execute(http)
+ print "This user's display name is: %s" % thisuser['displayName']
+
+ # Retrieve the list of Blogs this user has write privileges on
+ thisusersblogs = users.blogs().list(userId="self").execute()
+ for blog in thisusersblogs['items']:
+ print "The blog named \"%s\" is at: %s" % (blog['name'], blog['url'])
+
+ posts = service.posts()
+
+ # List the posts for each blog this user has
+ for blog in thisusersblogs['items']:
+ print "The posts for %s:" % blog['name']
+ request = posts.list(blogId=blog['id'])
+ while request != None:
+ posts_doc = request.execute(http)
+ if 'items' in posts_doc and not (posts_doc['items'] is None):
+ for post in posts_doc['items']:
+ print " %s (%s)" % (post['title'], post['url'])
+ request = posts.list_next(request, posts_doc)
+
+ except AccessTokenRefreshError:
+ print ("The credentials have been revoked or expired, please re-run"
+ "the application to re-authorize")
+
+if __name__ == '__main__':
+ main(sys.argv)