# grab email addresses from your IMAP inbox

def getHeadersFromEmails(host = 'imap.gmail.com', username = '', password = '', folder = 'INBOX', header = 'FROM', search = 'ALL'):
    import imaplib
    import re
    imap = imaplib.IMAP4_SSL(host, 993)
    imap.login(username, password)
    mboxes = imap.list()
    n = imap.select(folder)
    print "fetching %s messages" % n[1][0]
    uids = imap.search(None, search)
    uids = uids[1][0].split(' ')
    emails = []
    for uid in uids:
        print "fetch message %s" % uid
        body = imap.fetch(uid,'(BODY[HEADER.FIELDS (%s)])' % header)
        text = body[1][0][1]
        m = re.search(r"From: ([^\r\n]+)", text)
        if m:
            m2 = re.search(r"<([^>]+)>", m.group(1))
            if m2:
                emails.append(m2.group(1))
            else:
                emails.append(m.group(1))
    return set(emails)


if __name__ == '__main__':

    EMAIL = 'xxxxx@revolunet.com'
    PASSWORD = 'xxxxxxx'

    emails = getHeadersFromEmails(username = EMAIL , password = PASSWORD)

    print emails