ParseCalendarToCSV

import vobject
import csv

with open('sample.csv', mode='w') as csv_out:
	csv_writer = csv.writer(csv_out, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
	csv_writer.writerow(['WHAT', 'WHO', 'FROM', 'TO', 'DESCRIPTION'])

    # read the data from the file
	data = open("sample.ics").read()

    # iterate through the contents
	for cal in vobject.readComponents(data):
	    for component in cal.components():
	        if component.name == "VEVENT":
	        	isaccepted = False
				isaccepted = 'attendee' in component.contents and len(component.contents['attendee']) > 0 and component.contents['attendee'][0].params['PARTSTAT'][0] == 'ACCEPTED'

				if isaccepted:
	            	writerow = []
	            	for attr in ['summary', 'attendee', 'dtstart', 'dtend', 'description']:
	                	if hasattr(component, attr):
	                    	writerow.append(getattr(component, attr).valueRepr())
	                	else:
	                    	writerow.append('Undefined!')

	            	print(writerow)
	            	csv_writer.writerow(writerow)