old_contents: # The iCal feed URL for the events that should be synced to the Google Calendar.
  # Note that the syncing is one-way only.
  ICAL_FEED = '<ICAL FEED URL>'
  
  # the ID of the calendar to use for iCal events, should be of the form
  # 'ID@group.calendar.google.com', check the calendar settings page to find it.
  # (can also be 'primary' to use the default calendar)
  CALENDAR_ID = '<GOOGLE CALENDAR ID>'
  
  # must use the OAuth scope that allows write access
  SCOPES = 'https://www.googleapis.com/auth/calendar'
  
  # API secret stored in this file
  CLIENT_SECRET_FILE = 'ical_to_gcal_sync_client_secret.json'
  
  # Location to store API credentials
  CREDENTIAL_PATH = 'ical_to_gcal_sync.json'
  
  # Application name for the Google Calendar API
  APPLICATION_NAME = 'ical_to_gcal_sync'
  
  # File to use for logging output
  LOGFILE = 'ical_to_gcal_sync_log.txt'
  
  # Time to pause between successive API calls that may trigger rate-limiting protection
  API_SLEEP_TIME = 0.05
  
  # Number of days worth of iCal events to sync from the ICAL_FEED defined above.
  # Must be a positive integer, e.g. 1 = events up to 24 hours ahead. Set to 0
  # or negative value to sync all events (default)
  ICAL_DAYS_TO_SYNC = 0
  
new_contents: # The iCal feed URL for the events that should be synced to the Google Calendar.
  # Note that the syncing is one-way only.
  ICAL_FEED = '<ICAL FEED URL>'
  
  # the ID of the calendar to use for iCal events, should be of the form
  # 'ID@group.calendar.google.com', check the calendar settings page to find it.
  # (can also be 'primary' to use the default calendar)
  CALENDAR_ID = '<GOOGLE CALENDAR ID>'
  
  # must use the OAuth scope that allows write access
  SCOPES = 'https://www.googleapis.com/auth/calendar'
  
  # API secret stored in this file
  CLIENT_SECRET_FILE = 'ical_to_gcal_sync_client_secret.json'
  
  # Location to store API credentials
  CREDENTIAL_PATH = 'ical_to_gcal_sync.pckl'
  
  # Application name for the Google Calendar API
  APPLICATION_NAME = 'ical_to_gcal_sync'
  
  # File to use for logging output
  LOGFILE = 'ical_to_gcal_sync_log.txt'
  
  # Time to pause between successive API calls that may trigger rate-limiting protection
  API_SLEEP_TIME = 0.05
  
  # Number of days worth of iCal events to sync from the ICAL_FEED defined above.
  # Must be a positive integer, e.g. 1 = events up to 24 hours ahead. Set to 0
  # or negative value to sync all events (default)
  ICAL_DAYS_TO_SYNC = 0
  
subject: update extension of credentials file