Export emails from Outlook

"""
Exports email address from MS Outlook from recent eemails
"""

from win32com.client import Dispatch, constants
import os.path

class Exporter(object):

    app = None
    emails = []
    
    def __init__ (self):

 self.app = Dispatch("Outlook.Application")
        if self.app == None:
            raise Exception, "Unable to create an Outlook application object"

    def export_emails(self, foldername, outfile="email.csv", maxcount=1000):

        emails = [] 
 ns = self.app.GetNamespace("MAPI")
        folders = ns.Folders.Item(1).Folders #Usually the users folders
        folder = folders.Item(foldername)
        cnt = len(folder.Items)
        if cnt > maxcount:
            cnt = maxcount
        for i in range(1, cnt + 1):
            item = folder.Items.Item(i)
            print "Processing item %d" % i
            self.export_from_field(item, "To")
            self.export_from_field(item, "CC")

        self.emails.sort()
        emailfile = open(outfile, 'w')
        for email in self.emails:
            emailfile.write(email + "\n")
        emailfile.close()

    def export_from_field(self, item, fieldname, maxcount = 10):
        if not hasattr(item, fieldname):
            return
        ms = getattr(item, fieldname).split(';')
        if len(ms) > maxcount:
            return
        for m in ms:
            parts = m.split(',')
            if len(parts) <> 2:
                continue
            email = "%s_%s@intuit.com" % (parts[1].strip(), parts[0].strip())
            if not email in self.emails:
                self.emails.append(email)
     
    def __del__ (self):

        self.app = None
        self.emails = None

def main ():
    export = Exporter()
    export.export_emails("InBox", "emails.csv", 1000)
    
if __name__ == "__main__":
    main();