Send mails using Mandrill API

send_email.py

from mandrill import Mandrill
import base64
mail_client = Mandrill('<api_key>')

frm_email = 'email@email.com'
frm_name = 'Given Name'

# Sending image as attachment
img_attachment = base64.b64encode(open('~/sample_image.jpg', 'rb').read())

# Reading the raw text message to send in each email
raw_message = open('./data/text_msg.txt', 'r').read()

fields = ('c_name', 'f_name', 'l_name', 'email', 'p_msg')

# A CSV file containing:
# greeting name, first name, last name, email id, personal message
# John, John, Doe, john.doe@gmail.com, How are you doing?

# The personal message currently gets appeneded to the bottom of the
# email as a 'PS:'

recepients = open('./data/email.csv', 'r')
while True:
    l = recepients.readline().strip().split(',')
    if len(l) == 1:
        break
    p = dict(zip(fields, l))
    
    if p['p_msg']:
        txt_msg = "Hello %s,\n\n%s\n\nPS: %s" % (p['c_name'], raw_message, p['p_msg'])
    else:
        txt_msg = "Hello %s,\n\n%s\n" % (p['c_name'], raw_message)
    
    result = mail_client.messages.send(message=create_msg(p, txt_msg), async=False)
    print result
    
def create_msg(p, msg):
    
    message = {
               'auto_html' : True,
               'from_email' : frm_email,
               'from_name' : frm_name,
               'headers' : {
                            'Reply-To' : frm_email,
                            },
               'text' : msg,
               'to' : [{'email' : p['email'],
                        'name' : '%s %s' % (p['f_name'], p['l_name']),
                        'type' : 'to'}],
               'track_clicks' : True,
               'track_opens' : True,
               'images' : [{
                            'content':img_attachment,
                            'name' : 'image.jpg',
                            'type' : 'image/jpg'}],
               'subject' : '',
               'signing_domain' : 'domainname'
               }
    return message

Line 49 could be changed to:

'name' : '{0.f_name} {0.l_name}'.format(p),