sendmail.py

import win32com.client as win32
import time
import sys
import os
import shutil


def sendonemail(addr = "", attach = "", subject = ""):
    outlook = win32.Dispatch('outlook.application')
    mail = outlook.CreateItem(0)

    mail.To = addr
    mail.Subject = subject
    mail.body = "A mail aimed to send large file"

    if not os.path.exists(attach):
        print "file ", attach, " don't existed"
        return
    mail.Attachments.Add(attach)
    mail.send

def sendbymail(addr = "", fullname = ""):
    if (os.path.exists(fullname) is False):
        print "file ", fullname, " not found"
        return
    root, ext = os.path.splitext(fullname)
    head, tail = os.path.split(root)

    tmpdir = "tmpdir" + str(os.getpid())
    tmpdir = os.path.join(os.path.dirname(os.path.abspath(__file__)), tmpdir)
    tmpfilehead = os.path.join(tmpdir, tail)
    os.mkdir(tmpdir)
    maxsize = 19
    cmdstr = "rar a -m5 -v" + str(maxsize) + "m " + tmpfilehead + \
           " " + fullname 
    #print "cmd :", cmdstr
    # call winrar to compress the file
    os.system(cmdstr)

    # send each volumns
    volumnnum = 1
    for directory, dirnames, filenames in os.walk(tmpdir):
        for fname in filenames:
            print "sending volumn ", volumnnum, "..."
            volumnnum += 1
            sendonemail(addr, os.path.join(tmpdir, fname))
            time.sleep(1)
    print "Done !"        
    # delet temp directory
    shutil.rmtree(tmpdir)

if __name__ == "__main__":

    if len(sys.argv) < 3:
        print "usage :sendbymail $address $filename"
    else:
        sendbymail(sys.argv[1], sys.argv[2])