First I use module getpass and i connect to google user account.
Next I use gdata functions to print user albums and spending storage.
You can also use the gdata module to add comments, rotate photos, add photos ...
The code source is show bellow:
import getpass
import gdata.photos, gdata.photos.service
pws = gdata.photos.service.PhotosService()
username=raw_input("username - ")
password= getpass.getpass("password - ")
pws.ClientLogin(username, password)
#get all albums from account
userfeed_albums = pws.GetUserFeed(kind='album')
#print albums
print "User %s has these albums: %s" % (userfeed_albums.user.text,
[a.title.text for a in userfeed_albums.entry])
#print storage
print "%s is spending %s-Mb on storage" % \
(userfeed_albums.nickname.text, int(userfeed_albums.quotacurrent.text)/1024/1024)