Downloading the GCS Client Library
The GCS client library is a client-side library that is not dependent on any specific version of App Engine for production use. If you want to test your code using the App Engine development server , you must use the development server from the App Engine SDK 1.8.1 or greater.
Downloading the GCS Client Library
The download varies slightly depending on whether you want to acquire the package from PyPi or use SVN. Select from the following:
PyPi
PyPi users can install the library as follows:
pip install GoogleAppEngineCloudStorageClient -t <your_app_directory/lib>
SVN Checkout
To check out the source over HTTP:
svn checkout http://appengine-gcs-client.googlecode.com/svn/trunk/python gcs-client