\begin{document}
\begin{Group}{}
\LREntry{Parents of the Bride}{Parents of the Groom} \\
...
                                                

Dearest {{ guests }},

With great joy, we are emailing to request the pleasure of your company at our
wedding. It will take place at 6pm on May 16, 2015 within the Ida Noyes Hall
Theatre Room, at the University of Chicago in Chicago, IL.  An official
invitation is attached to this email as a pdf. More information and updates can
be found at our website:

  http://katyhuff.github.io/wedding

{{ comments }}
We hope you can confirm your attendance online by April 16, 2015. The RSVP form
can be found on our website or at http://bit.ly/skwed.

If you have any questions please send an email to {{ ouremail }}.

Thank You,
Katy Huff and Strom Borman
                                                

#!/usr/bin/env python

import jinja2
import mimetypes
import numpy as np
import os
import smtplib
import sys
import getpass
import email
import email.utils
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
# Here are the email package modules we'll need
from email.mime.image import MIMEImage
from email.mime.application import MIMEApplication

if len(sys.argv) < 3:
    print('Usage: ./send-invitations.py invitees.csv invitation.txt.in')

def get_comments(arr):
  if len(arr['comments']) > 0:
    return arr['comments']
  else :
    return ''

def get_recipients(arr):
  l=[arr['email1'],arr['email2'],arr['email3']]
  r=[]
  for item in l:
    if len(item) > 0:
      r.append(item)
  comma=", "
  return comma.join(r)

with open(sys.argv[2], 'r') as fp:
    email_template = fp.read()
template = jinja2.Template(email_template)

invitees = np.loadtxt(sys.argv[1],
        delimiter='\t',
        dtype={'names': ('invitee','email1','email2','email3','comments'),
            'formats': ('S128', 'S128', 'S128', 'S128', 'S256')})

username = 'katyhuff@gmail.com'
password = getpass.getpass('password:')
server = smtplib.SMTP('smtp.gmail.com:587')
server.starttls()
server.login(username, password)
filename="/Users/khuff/repos/musings/wedding/wedding.pdf"

for family in invitees:
    email_body = template.render(guests=family['invitee'],
                                 comments = get_comments(family))
    msg = MIMEMultipart('alternative')
    msg['Subject'] = 'Invitation to the Wedding of Katy Huff and Strom Borman'
    msg['From'] = 'Katy Huff and Strom Borman '
    msg['To'] = get_recipients(family)
    msg['Cc'] = 'Matthew Strom Borman ,Katy Huff '
    msg['Date'] = email.utils.formatdate()
    msg.attach(MIMEText(email_body, 'plain'))
    part=MIMEApplication(open(filename).read())
    part.add_header('Content-Disposition',
            'attachment; filename="%s"' % os.path.basename(filename))
    msg.attach(part)
    from_address = 'Katy Huff '
    to_address = []
    to_address.extend([em.strip() for em in get_recipients(family).split(', ')])

    print(email_body)
    server.sendmail(from_address, to_address, msg.as_string())
                                                

Ms. Ann Testerson, Dr. Steve Testerson, and Mr. Junior Testerson        anntesterson@gmail.com     proftest@utest.edu   We are very excited to share this day with you three. Jr. is more than welcome to bring a guest.
Mr. Single Friend and Guest                                             singleguy@yahoo.com                             We are very excited to share this day with you. You are more than welcome to bring a guest.
Mr. Father and Mrs. Mother                                              mom@gmail.com              dad@gmail.com        We are so excited to share this day with the two of you.
Mr. Uncle Fam, Mrs. Aunt Fam, Mr. Cousin Fam, and Mr. Cousin Fam        unclefam@gmail.com         aunt@yahoo.com       We are very excited to share this day with you. Youngcousin and Oldcousin are more than welcome to each bring a guest.