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from exchangelib import Credentials, Account, EWSDateTime
from icalendar import Calendar, Event

# Set up credentials (replace with your own credentials)
credentials = Credentials('[email protected]', 'your_password')

# Connect to the Exchange server
account = Account('[email protected]', credentials=credentials, autodiscover=True)

# Define the start and end datetime for which you want to fetch events
start_date = EWSDateTime(2024, 1, 1)
end_date = EWSDateTime(2024, 1, 31)

# Fetch calendar items between start_date and end_date
calendar_items = account.calendar.view(start=start_date, end=end_date)

# Create a new iCalendar object
ical = Calendar()

# Iterate through each calendar item and add it to the iCalendar object
for item in calendar_items:
    event = Event()
    event.add('summary', item.subject)
    event.add('dtstart', item.start)
    event.add('dtend', item.end)
    event.add('description', item.body)
    
    # Add more properties as needed, such as location, attendees, etc.
    
    ical.add_component(event)

# Save the iCalendar object to a file
with open('calendar_events.ics', 'wb') as f:
    f.write(ical.to_ical())

print("Calendar events have been exported to 'calendar_events.ics'")

from exchangelib import Credentials, Account, EWSDateTime
from icalendar import Calendar, Event
from icalendar import vRecur, vText

def convert_to_ical_recur_pattern(exchange_item):
    """Converts Exchange recurring pattern to iCalendar recurrence rules."""
    recurrence = exchange_item.recurrence
    rule = vRecur()

    if recurrence.number:
        rule['COUNT'] = recurrence.number

    if recurrence.start:
        rule['DTSTART'] = recurrence.start

    if recurrence.interval:
        rule['INTERVAL'] = recurrence.interval

    if recurrence.first_day_of_week:
        rule['WKST'] = vText(recurrence.first_day_of_week)

    # Handle more recurrence pattern details as needed

    return rule

# Set up credentials (replace with your own credentials)
credentials = Credentials('[email protected]', 'your_password')

# Connect to the Exchange server
account = Account('[email protected]', credentials=credentials, autodiscover=True)

# Define the start and end datetime for which you want to fetch events
start_date = EWSDateTime(2024, 1, 1)
end_date = EWSDateTime(2024, 1, 31)

# Fetch calendar items between start_date and end_date
calendar_items = account.calendar.view(start=start_date, end=end_date)

# Create a new iCalendar object
ical = Calendar()

# Iterate through each calendar item and add it to the iCalendar object
for item in calendar_items:
    event = Event()
    event.add('summary', item.subject)
    event.add('dtstart', item.start)
    event.add('dtend', item.end)
    event.add('description', item.body)
    
    # Check if it's a recurring event and convert recurrence pattern
    if item.recurrence:
        recurrence_rule = convert_to_ical_recur_pattern(item)
        event.add('rrule', recurrence_rule)
    
    ical.add_component(event)

# Save the iCalendar object to a file
with open('calendar_events.ics', 'wb') as f:
    f.write(ical.to_ical())

print("Calendar events have been exported to 'calendar_events.ics'")

BEGIN:VEVENT
DTSTAMP:20230904T165012Z
CLASS:PUBLIC
CREATED:20230904T165012Z
DTEND;TZID=Europe/Berlin:20230908T120000
DTSTART;TZID=Europe/Berlin:20230908T080000
LAST-MODIFIED:20230904T165012Z
SEQUENCE:0
TRANSP:OPAQUE
UID:f628faef-2c5f-4d36-9c5d-b9ba92c59dd8
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT