From c3b2c2d614005462386c3c8b37cc28d89e9aa33e Mon Sep 17 00:00:00 2001
From: Conor Heine <conor.heine@gmail.com>
Date: Sun, 10 Nov 2024 15:43:40 -0800
Subject: [PATCH] Fix typing errors in older python builds

---
 anymail/backends/mailtrap.py | 7 ++++++-
 anymail/webhooks/mailtrap.py | 9 +++++++--
 pyproject.toml               | 2 ++
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/anymail/backends/mailtrap.py b/anymail/backends/mailtrap.py
index 35cc6499..0bf82a7a 100644
--- a/anymail/backends/mailtrap.py
+++ b/anymail/backends/mailtrap.py
@@ -1,5 +1,10 @@
+import sys
 import warnings
-from typing import Any, Literal, NotRequired, TypedDict
+
+if sys.version_info < (3, 11):
+    from typing_extensions import Any, Literal, NotRequired, TypedDict
+else:
+    from typing import Any, Literal, NotRequired, TypedDict
 
 from ..exceptions import AnymailRequestsAPIError, AnymailWarning
 from ..message import AnymailMessage, AnymailRecipientStatus
diff --git a/anymail/webhooks/mailtrap.py b/anymail/webhooks/mailtrap.py
index 2e97ef95..52881580 100644
--- a/anymail/webhooks/mailtrap.py
+++ b/anymail/webhooks/mailtrap.py
@@ -1,6 +1,11 @@
 import json
+import sys
 from datetime import datetime, timezone
-from typing import Literal, NotRequired, TypedDict
+
+if sys.version_info < (3, 11):
+    from typing_extensions import Any, Literal, NotRequired, TypedDict, Union
+else:
+    from typing import Any, Literal, NotRequired, TypedDict, Union
 
 from ..signals import AnymailTrackingEvent, EventType, RejectReason, tracking
 from .base import AnymailBaseWebhookView
@@ -24,7 +29,7 @@ class MailtrapEvent(TypedDict):
     timestamp: int
     event_id: str
     category: NotRequired[str]
-    custom_variables: NotRequired[dict[str, str | int | float | bool]]
+    custom_variables: NotRequired[dict[str, Union[str, int, float, bool]]]
     reason: NotRequired[str]
     response: NotRequired[str]
     response_code: NotRequired[int]
diff --git a/pyproject.toml b/pyproject.toml
index b4f67861..76523c5d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,6 +63,7 @@ dependencies = [
     "django>=4.0",
     "requests>=2.4.3",
     "urllib3>=1.25.0",  # requests dependency: fixes RFC 7578 header encoding
+    "typing_extensions>=4.12",  # for older Python compatibility
 ]
 
 [project.optional-dependencies]
@@ -74,6 +75,7 @@ brevo = []
 mailersend = []
 mailgun = []
 mailjet = []
+mailtrap = []
 mandrill = []
 postmark = []
 resend = ["svix"]