#!/usr/pkg/bin/python
"""send an email message

   cygwin replacement of standard unix utility
   assumes localhost is SMTP server
   """

Copyright = """
    mail - send an email message
    Copyright (C) 2004  John Comeau <jc@jcomeau.com>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    """
errormessage = "Not all needed libraries found, upgrade or check path"
try:
 True # not defined in older Python releases
except:
 True, False = 1, 0
try:
 import sys, os, types, re
 from com.jcomeau import gpl, jclicense
except:
 try:
  sys.stderr.write("%s\n" % errormessage)
 except:
  print errormessage
 raise

# globals and routines that should be in every program
# (yes, you could import them, but there are problems in that approach too)

def DebugPrint(*whatever):
 return False # defined instead by pytest module, use that for debugging

# other globals, specific to this program
import smtplib, pwd

def mail(*args):
 verbose = False
 subject = None
 to_addresses = []
 me = pwd.getpwuid(os.geteuid())[0].strip().replace(' ', '_')
 from_addr = me
 while type(args[0]) is not types.StringType:
  args = args[0]
 state = 'parsing options'
 for index in range(0, len(args)):
  if state == 'parsing options':
   if args[index].startswith('-'):
    if args[index] == '-v':
     verbose = True
    elif args[index] == '-s':
     state = 'assigning Subject header'
    elif args[index] == '-F':
     state = 'assigning From address'
    # all other options ignored...
    # note that this has the affect of making CC and BCC addrs "To:" addrs
   else:
    for address in args[index].split(','):
     to_addresses.append(address.strip())
  elif state == 'assigning Subject header':
   subject = args[index]
   state = 'parsing options'
  elif state == 'assigning From address':
   from_addr = args[index]
   state = 'parsing options'
 message = "From: %s\r\n" % from_addr
 for recipient in to_addresses:
  message += "To: %s\r\n" % recipient.strip()
 if subject != None:
  message += "Subject: %s\r\n" % subject
 message += "\r\n" # end of headers
 for line in sys.stdin.readlines():
  message += line
 try:
  server = smtplib.SMTP('localhost')
  if verbose: server.set_debuglevel(1)
  server.sendmail(from_addr, to_addresses[0], message)
  server.quit()
 except:
  sys.stderr.write("Failed sending message:\n" + message)
  raise
def main():
 """main routine"""
 mail(sys.argv[1:])

if __name__ == '__main__':
 # if this program was imported by another, the above test will fail,
 # and this following code won't be used...
 main()
else:
 # if you want something to be done on import, do it here; otherwise pass
 pass