new_contents: #!/usr/bin/python
  
  # Google Spreadsheet BMP Sensor Data-logging Example
  
  # Depends on the 'gspread' package being installed.  If you have pip installed
  # execute:
  #   sudo pip install gspread
  
  # Copyright (c) 2014 Adafruit Industries
  # Author: Tony DiCola
  
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  import sys
  import time
  import datetime
  
  import Adafruit_BMP.BMP085 as BMP085
  import gspread
  
  # Google Docs account email, password, and spreadsheet name.
  GDOCS_EMAIL            = 'your google docs account email address'
  GDOCS_PASSWORD         = 'your google docs account password'
  GDOCS_SPREADSHEET_NAME = 'your google docs spreadsheet name'
  
  # How long to wait (in seconds) between measurements.
  FREQUENCY_SECONDS      = 30
  
  
  def login_open_sheet(email, password, spreadsheet):
  	"""Connect to Google Docs spreadsheet and return the first worksheet."""
  	try:
  		gc = gspread.login(email, password)
  		worksheet = gc.open(spreadsheet).sheet1
  		return worksheet
  	except:
  		print 'Unable to login and get spreadsheet.  Check email, password, spreadsheet name.'
  		sys.exit(1)
  
  
  # Create sensor instance with default I2C bus (On Raspberry Pi either 0 or
  # 1 based on the revision, on Beaglebone Black default to 1).
  bmp = BMP085.BMP085()
  
  print 'Logging sensor measurements to {0} every {1} seconds.'.format(GDOCS_SPREADSHEET_NAME, FREQUENCY_SECONDS)
  print 'Press Ctrl-C to quit.'
  worksheet = None
  while True:
  	# Login if necessary.
  	if worksheet is None:
  		worksheet = login_open_sheet(GDOCS_EMAIL, GDOCS_PASSWORD, GDOCS_SPREADSHEET_NAME)
  
  	# Attempt to get sensor readings.
  	temp = bmp.read_temperature()
  	pressure = bmp.read_pressure()
  	altitude = bmp.read_altitude()
  
  	print 'Temperature: {0:0.1f} C'.format(temp)
  	print 'Pressure:    {0:0.1f} Pa'.format(pressure)
  	print 'Altitude:    {0:0.1f} m'.format(altitude)
   
  	# Append the data in the spreadsheet, including a timestamp
  	try:
  		worksheet.append_row((datetime.datetime.now(), temp, pressure, altitude))
  	except:
  		# Error appending data, most likely because credentials are stale.
  		# Null out the worksheet so a login is performed at the top of the loop.
  		print 'Append error, logging in again'
  		worksheet = None
  		time.sleep(FREQUENCY_SECONDS)
  		continue
  
  	# Wait 30 seconds before continuing
  	print 'Wrote a row to {0}'.format(GDOCS_SPREADSHEET_NAME)
  	time.sleep(FREQUENCY_SECONDS)
  
subject: Add google docs spreadsheet update example.