#!/usr/bin/env python

import sys
import os
import re
import urllib, urllib2

# Import smtplib for the actual sending function
import smtplib

# Import the email modules we'll need
from email.MIMEText import MIMEText

# TODO:
YOUR_EMAIL = "sillyman@gmail.com"
YOUR_PW = "1sillyman"


def anonymousUrlOpen(url):
  """ gets a page but spoofs headers 
  """
  user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
  headers = { 'User-Agent' : user_agent }
  request = urllib2.Request(url, headers=headers)
  return urllib2.urlopen(request).read()


def sendmail(fromaddr, toaddrs, subject, body, subtype="plain"):

  if not type(toaddrs) == list:
    toaddrs = [toaddrs]

  msg = MIMEText(body, subtype)
  msg['Subject'] = subject
  msg['From'] = fromaddr
  msg['To'] = ", ".join(toaddrs)

  msg = msg.as_string()

  #print "Message length is " + repr(len(msg))
  print '------'
  print "Message being sent:", msg
  print '------'

  # for some reason, I am now getting from google a "temporary 
  # authentication error" when I try the login() command.  Redoing
  # all of this from the beginning seems to work after a time
  # or two
  # (454, '5.7.0 Temporary authentication failure 8sm2462988nzn')
  numTries = 0
  while numTries < 10:
    try:
      smtphost = "smtp.gmail.com"
      #port = 465
      port = 587
      server = smtplib.SMTP(smtphost, port)
      server.set_debuglevel(0)

      print server.ehlo(smtphost)
      print server.starttls()
      print server.ehlo(smtphost)
      print "---"

      server.login(YOUR_EMAIL, YOUR_PW)

      server.sendmail(fromaddr, toaddrs, msg)
      server.close()
      print "Sent!"
      break
    except Exception, e:
      print e
      numTries += 1
      print "Retry #", numTries



def gmailCache(url):
  fromAddr = "GmailCacher"
  toAddr = '"%s"' % YOUR_EMAIL

  # get the webpage
  body = anonymousUrlOpen(url)

  # scrape the title
  m = re.search("<title>(.*)</title>", body, re.DOTALL)
  if m:
    title = m.group(1).strip()
  else:
    title = url

  # subject of message
  title += " [GmailCache]"

  sendmail(fromAddr, [toAddr], title, body, subtype='html')


def main():
  assert len(sys.argv) == 2
  print >>open("/tmp/gmailcache.log", 'w'), sys.argv[1]
  gmailCache(sys.argv[1])


if __name__ == "__main__":
  main()