old_contents: import urllib
  import logging
  import caldav
  from dateutil.relativedelta import relativedelta
  
  log = logging.getLogger(__file__)
  
  
  def addToCal(url, date_from, date_end, summary):
      """ Add entry in calendar to period date_from, date_end """
  
      vcal_entry = """BEGIN:VCALENDAR
  VERSION:2.0
  PRODID:Pyvac Calendar
  BEGIN:VEVENT
  SUMMARY:%s
  DTSTART;VALUE=DATE:%s
  DTEND;VALUE=DATE:%s
  END:VEVENT
  END:VCALENDAR
  """
  
      client = caldav.DAVClient(url)
      principal = client.principal()
      calendars = principal.calendars()
      if not len(calendars):
          return False
  
      vcal_entry = vcal_entry % (summary,
                                 date_from.strftime('%Y%m%d'),
                                 (date_end + relativedelta(days=1)).strftime('%Y%m%d'))
      calendar = calendars[0]
      log.info('Using calendar %r' % calendar)
      log.info('Using entry: %s' % vcal_entry)
  
      event = caldav.Event(client, data=vcal_entry, parent=calendar).save()
      log.info('Event %s created' % event)
  
      url_obj = event.url
      url_obj = urllib.quote(url_obj, safe='/:')
      return str(url_obj)
  
  
  def delFromCal(url, ics):
      """ Delete entry in calendar"""
  
      if not url:
          return False
  
      client = caldav.DAVClient(url)
      log.info('Deleting entry %r' % ics)
      client.delete(ics)
  
      return True
  
new_contents: import urllib
  import logging
  import caldav
  from dateutil.relativedelta import relativedelta
  
  log = logging.getLogger(__file__)
  
  
  def addToCal(url, date_from, date_end, summary):
      """ Add entry in calendar to period date_from, date_end """
  
      vcal_entry = """BEGIN:VCALENDAR
  VERSION:2.0
  PRODID:Pyvac Calendar
  BEGIN:VEVENT
  SUMMARY:%s
  DTSTART;VALUE=DATE:%s
  DTEND;VALUE=DATE:%s
  END:VEVENT
  END:VCALENDAR
  """
  
      client = caldav.DAVClient(url)
      principal = client.principal()
      calendars = principal.calendars()
      if not len(calendars):
          return False
  
      vcal_entry = vcal_entry % (summary,
                                 date_from.strftime('%Y%m%d'),
                                 (date_end + relativedelta(days=1)).strftime('%Y%m%d'))
      calendar = calendars[0]
      log.info('Using calendar %r' % calendar)
      log.info('Using entry: %s' % vcal_entry)
  
      event = caldav.Event(client, data=vcal_entry, parent=calendar).save()
      log.info('Event %s created' % event)
  
      url_obj = event.url
      url_obj = str(url_obj)
      url_obj = urllib.quote(url_obj, safe='/:')
      return url_obj
  
  
  def delFromCal(url, ics):
      """ Delete entry in calendar"""
  
      if not url:
          return False
  
      client = caldav.DAVClient(url)
      log.info('Deleting entry %r' % ics)
      client.delete(ics)
  
      return True
  
subject: Fix bug with calendar adding