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Feature: Implement merge_headers

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Implement and document `merge_headers`
for all other ESPs that can support it. (See #371
for base and Amazon SES implementation.)

Closes #374
This commit is contained in:
Mike Edmunds
2024-06-20 15:31:58 -07:00
committed by GitHub
parent 6e696b8566
commit 0776b12331
35 changed files with 754 additions and 40 deletions
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12
anymail/backends/resend.py
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@@ -98,6 +98,7 @@ class ResendPayload(RequestsPayload):
self.to_recipients = [] # for parse_recipient_status
self.metadata = {}
self.merge_metadata = {}
self.merge_headers = {}
headers = kwargs.pop("headers", {})
headers["Authorization"] = "Bearer %s" % backend.api_key
headers["Content-Type"] = "application/json"
@@ -129,6 +130,14 @@ class ResendPayload(RequestsPayload):
data["headers"]["X-Metadata"] = self.serialize_json(
recipient_metadata
)
if to.addr_spec in self.merge_headers:
if "headers" in data:
# Merge global headers (or X-Metadata from above)
headers = CaseInsensitiveCasePreservingDict(data["headers"])
headers.update(self.merge_headers[to.addr_spec])
else:
headers = self.merge_headers[to.addr_spec]
data["headers"] = headers
payload.append(data)
return self.serialize_json(payload)
@@ -284,5 +293,8 @@ class ResendPayload(RequestsPayload):
def set_merge_metadata(self, merge_metadata):
self.merge_metadata = merge_metadata # late bound in serialize_data
def set_merge_headers(self, merge_headers):
self.merge_headers = merge_headers # late bound in serialize_data
def set_esp_extra(self, extra):
self.data.update(extra)