parsing outlook folders

outlook_reader.py

import os, time
from pprint import pprint
from collections import defaultdict
from win32com.client import Dispatch

t0 = time.time()
outlook=Dispatch("Outlook.Application").GetNamespace("MAPI")
#inbox = outlook.GetDefaultFolder("6")
confi = outlook.Folders(2).Folders(2)    # found by trial and error
counts = defaultdict(int)

for aca in confi.Items:
    ax = aca.Attachments
    if ax.Count>0:
        print(ax.Count,aca.Subject)
        for att in ax:
            if '.pdf' in att.DisplayName:
                sender = aca.Sender()
                counter = counts[sender]+1
                csender = sender.replace(' ','')
                csdir = os.path.join(os.getcwd(),'PDF',csender)
                if not os.path.exists(csdir):
                    os.mkdir(csdir)
                filename = str(counter)+'_'+att.DisplayName
                ofn = os.path.join(os.getcwd(),'PDF',csender,filename)   # overwrite?
                #print(sender)
                att.SaveAsFile(ofn)
                counts[sender]+=1
pprint(counts)
print(sum(counts.values()))
print(time.time()-t0)