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Mailgun: treat temporary failure as deferred in tracking webhook

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Map Mailgun severity: temporary failure event to Anymail "deferred" event, to distinguish it from severity: permanent failures which will show up as Anymail "bounced".

Also remap Mailgun reason: generic failure to Anymail "other" reject reason (rather than "bounced").

Closes #130
This commit is contained in:
Leo Antunes
2018-11-01 20:26:49 +01:00
committed by Mike Edmunds
parent 56c11ce387
commit bb257152be
2 changed files with 51 additions and 7 deletions
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14
anymail/webhooks/mailgun.py
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@@ -87,16 +87,20 @@ class MailgunTrackingWebhookView(MailgunBaseWebhookView):
# (these appear in webhook doc examples, but aren't actually documented anywhere)
"bounce": RejectReason.BOUNCED,
"suppress-bounce": RejectReason.BOUNCED,
"generic": RejectReason.BOUNCED, # ??? appears to be used for any temporary failure?
"generic": RejectReason.OTHER, # ??? appears to be used for any temporary failure?
}
severities = {
# Remap some event types based on "severity" payload field
(EventType.BOUNCED, 'temporary'): EventType.DEFERRED
}
def esp_to_anymail_event(self, esp_event):
event_data = esp_event.get('event-data', {})
try:
event_type = self.event_types[event_data['event']]
except KeyError:
event_type = EventType.UNKNOWN
event_type = self.event_types.get(event_data['event'], EventType.UNKNOWN)
event_type = self.severities.get((EventType.BOUNCED, event_data.get('severity')), event_type)
# Use signature.token for event_id, rather than event_data.id,
# because the latter is only "guaranteed to be unique within a day".