Make mails/backends/filebased robust against AttributeError

SciPost_v1/settings/local_JSC.py

@@ -16,3 +16,7 @@ MAILCHIMP_API_KEY = get_secret("MAILCHIMP_API_KEY")
 LOGGING['handlers']['scipost_file_arxiv']['filename'] = '/Users/jscaux/Sites/SciPost.org/scipost_v1/local_files/logs/arxiv.log'
 LOGGING['handlers']['scipost_file_doi']['filename'] = '/Users/jscaux/Sites/SciPost.org/scipost_v1/local_files/logs/doi.log'
 CROSSREF_DEPOSIT_EMAIL = 'jscaux@scipost.org'
+
+# Customized mailbackend
+EMAIL_BACKEND = "mails.backends.filebased.ModelEmailBackend"
+EMAIL_BACKEND_ORIGINAL = "mails.backends.filebased.EmailBackend"

mails/backends/filebased.py

@@ -42,9 +42,12 @@ class ModelEmailBackend(FileBacked):
         body = email_message.body
         subject = email_message.subject
         body_html = ''
-        for alt in email_message.alternatives:
-            if alt[1] == 'text/html':
-                body_html += alt[0]
+        try:
+            for alt in email_message.alternatives:
+                if alt[1] == 'text/html':
+                    body_html += alt[0]
+        except AttributeError:
+            pass
 
         MailLog.objects.create(
             body=body,