import gdata.docs
import gdata.docs.service
import gdata.spreadsheet.service
import time

USERNAME = None
PASSWORD = None

class_filename = 'classes.csv'
field_filename = 'fields.csv'
func_filename  = 'methods.csv'

def PrintFeed(feed):
    if not feed.entry:
        print '\n'
    for entry in feed.entry:
        print '%s %s %s' % (entry.title.text.encode('UTF-8'), entry.GetDocumentType(), entry.resourceId.text)

def get_from_google():

    gd_client = gdata.docs.service.DocsService(source='test-yourAppName-v1')

    gd_client.ClientLogin(USERNAME, PASSWORD)

    feed = gd_client.GetDocumentListFeed()
    PrintFeed(feed)

    q = gdata.docs.service.DocumentQuery(categories=['spreadsheet'])
    feed = gd_client.Query(q.ToUri())
    PrintFeed(feed)

    entry = None
    for i in feed.entry:
        if i.resourceId.text == 'spreadsheet:0AgPl2O82XX1pdFp2SnQxZUNuVWVJeHl0eGRSdnRDNGc':
            entry = i

    #entry = feed.entry[0]

    spreadsheets_client = gdata.spreadsheet.service.SpreadsheetsService()
    spreadsheets_client.ClientLogin(USERNAME, PASSWORD)

    # substitute the spreadsheets token into our gd_client
    docs_auth_token = gd_client.GetClientLoginToken()
    gd_client.SetClientLoginToken(spreadsheets_client.GetClientLoginToken())

    print 'Downloading Classes spreadsheet to %s...' % (class_filename,)
    gd_client.Export(entry, class_filename, gid=12)

    print 'Downloading Fields spreadsheet to %s...' % (field_filename,)
    gd_client.Export(entry, field_filename, gid=2)

    print 'Downloading Methods spreadsheet to %s...' % (func_filename,)
#    gd_client.Export(entry, func_filename, gid=1)
    gd_client.Export(entry, func_filename, gid=8)

    gd_client.SetClientLoginToken(docs_auth_token) # reset the DocList auth token

def main(timer):

    while(True):
        get_from_google()
        time.sleep(60*timer)