Python Outlook automation with win32com - what evening appointments do I have coming up?

evening_appointments.py

import win32com.client, datetime, time

# make sure we've got the outlook constants for Outlook 2010 - 'Microsoft Outlook 14.0 Object Library'
from win32com.client import gencache
gencache.EnsureModule('{00062FFF-0000-0000-C000-000000000046}', 0, 9, 4)

def _com_time_to_datetime(pytime):
    return datetime.datetime(month=pytime.month, day=pytime.day, year=pytime.year,
                             hour=pytime.hour, minute=pytime.minute, second=pytime.second)
 
#config
weeksAhead = 8
email_address = "me@somewhere.com"

outlook = win32com.client.gencache.EnsureDispatch("Outlook.Application")
mapi    = outlook.GetNamespace("MAPI")
folder  = mapi.GetDefaultFolder(win32com.client.constants.olFolderCalendar)
 
startDate        = datetime.date.today()
endDate          = startDate + datetime.timedelta(weeks=weeksAhead)
formatDateString = "%d %B %Y %I:%M%p"
 
dateRangeQuery ='[Start] >= "{}" AND [End] <= "{}"'.format(startDate.strftime(formatDateString), endDate.strftime(formatDateString))
 
calendarItems = folder.Items
calendarItems.IncludeRecurrences = True
calendarItems.Sort("[Start]", False)
calendarItems = calendarItems.Restrict(dateRangeQuery)
 
calendarSummary = "From {} to {}\n\n".format(startDate.strftime("%a %d %b"), endDate.strftime("%a %d %b"))
 
for item in calendarItems:
    if item.End.hour > 18:
        start =  _com_time_to_datetime(item.Start).strftime("%a %d %b %H:%M")
        end   =  _com_time_to_datetime(item.End).strftime("%H:%M")
        calendarSummary += "{}-{} {}\n".format(start, end, item.Subject)
 
message = outlook.CreateItem(win32com.client.constants.olMailItem)
message.BodyFormat = win32com.client.constants.olFormatPlain
message.To = email_address
 
message.Subject = "Evening calendar entries - next "+str(weeksAhead)+" weeks"
message.Body = calendarSummary
 
for recipient in message.Recipients:
    recipient.Resolve()
 
message.Display()