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"""A simple email backend, which only prepends all subjects with a string.
Used to distinguish testing emails from production ones."""
# We try to monkeypatch django.core.mail.backends.smtp :-)
4 years ago
from django.core.mail.backends.smtp import EmailBackend as DjangoSMTPBackend
class PrefixingMailBackend(DjangoSMTPBackend):
# method _send is not probably meant to be monkey_patched, so we patch send_messages instead.
def send_messages(self, messages):
prefix = '[Mail z testwebu]'
for message in messages:
# We hope that this is a django.core.mail.message.EmailMessage
message.subject = prefix + ' ' + message.subject
return super().send_messages(messages)