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Mailjet: fix TypeError in sanitize_address

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Fix TypeError when sending to or from addresses with
display names containing commas. Rewrite Anymail's
workaround for Mailjet's problem with commas in display
names, to avoid calling Django's internal sanitize_address
in an unsupported way.

The TypeError results from Django changes that will be
introduced in Django 2.2.15, 3.0.9, and 3.1.
This commit is contained in:
medmunds
2020-07-23 13:06:25 -07:00
committed by Mike Edmunds
parent 448d5ec8e5
commit c4ed6660b3
3 changed files with 21 additions and 5 deletions
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14
anymail/backends/mailjet.py
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@@ -1,3 +1,5 @@
from email.header import Header
from six.moves.urllib.parse import quote
from ..exceptions import AnymailRequestsAPIError
@@ -158,12 +160,16 @@ class MailjetPayload(RequestsPayload):
def _format_email_for_mailjet(self, email):
"""Return EmailAddress email converted to a string that Mailjet can parse properly"""
# Workaround Mailjet 3.0 bug parsing display-name with commas
# Workaround Mailjet 3.0 bug parsing RFC-2822 quoted display-name with commas
# (see test_comma_in_display_name in test_mailjet_backend for details)
if "," in email.display_name:
return EmailAddress(email.display_name.encode('utf-8'), email.addr_spec).formataddr('utf-8')
else:
return email.address
# Force MIME "encoded-word" encoding on name, to hide comma from Mailjet.
# We just want the RFC-2047 quoting, not the header wrapping (which will
# be Mailjet's responsibility), so set a huge maxlinelen.
encoded_name = Header(email.display_name.encode('utf-8'),
charset='utf-8', maxlinelen=1000000).encode()
email = EmailAddress(encoded_name, email.addr_spec)
return email.address
#
# Payload construction