Embed image in email rather than reference remove file.

communicator/services/notification_service.py

@@ -2,9 +2,11 @@ import smtplib
 import uuid
 from datetime import datetime, time, date
 from email.header import Header
+from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 import re
+from os.path import join
 
 import dateutil
 import phonenumbers
@@ -148,6 +150,15 @@ class NotificationService(object):
         msgAlternative.attach(part1)
         msgAlternative.attach(part2)
 
+        # Embed the logo image
+        # This example assumes the image is in the current directory
+        fp = open(join(app.root_path, 'static', 'uva_logo.png'), 'rb')
+        msgImage = MIMEImage(fp.read())
+        fp.close()
+        # Define the image's ID as referenced above
+        msgImage.add_header('Content-ID', '<logo>')
+        msgRoot.attach(msgImage)
+
         # Leaving this on here, just in case we need it later.
         if ical:
             ical_atch = MIMEText(ical.decode("utf-8"), 'calendar')

communicator/templates/base_email.html

@@ -103,7 +103,7 @@
                   <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
                     <tr>
                       <td style="font-family: sans-serif; font-size: 14px; vertical-align: top; background-color:#232d4b; padding: 12px">
-                        <img src="{{base_url + '/images/uva_logo.png'}}" alt="University of Virginia"/>
+                        <img src="cid:logo" alt="University of Virginia"/>
                       </td>
                     </tr>