chore: remove NtfyBackendExponentialRateLimitBackend and SmtpExponent…

…ialRateLimitEmailBackend

They can be easily replaced by ExponentialRateLimitBackends where the
list of backends is NtfyBackend or Emailbackend

django_ntfy/__init__.py

@@ -7,7 +7,6 @@
 from django.core.cache import cache
 from django.core.mail import EmailMessage
 from django.core.mail.backends.base import BaseEmailBackend
-from django.core.mail.backends.smtp import EmailBackend
 from django.utils.module_loading import import_string
 from django.utils.text import slugify
 
@@ -149,14 +148,6 @@ def send_messages(self, email_messages: typing.List[EmailMessage]):
         return count
 
 
-class NtfyBackendExponentialRateLimitBackend(ExponentialRateLimitMixin, NtfyBackend):
-    pass
-
-
-class SmtpExponentialRateLimitEmailBackend(ExponentialRateLimitMixin, EmailBackend):
-    pass
-
-
 class ExponentialRateLimitBackends(BaseEmailBackend):
     def __init__(self, *args, **kwargs):
         backend_strings = getattr(

tests/conftest.py

@@ -9,18 +9,6 @@ def use_ntfy_backend(settings):
     settings.EMAIL_BACKEND = 'django_ntfy.NtfyBackend'
 
 
-@pytest.fixture
-def use_smtp_exponential_ratelimit_backend(settings):
-    # we need to explicitly override it here
-    settings.EMAIL_BACKEND = 'django_ntfy.SmtpExponentialRateLimitEmailBackend'
-
-
-@pytest.fixture
-def use_ntfy_exponential_ratelimit_backend(settings):
-    # we need to explicitly override it here
-    settings.EMAIL_BACKEND = 'django_ntfy.NtfyBackendExponentialRateLimitBackend'
-
-
 @pytest.fixture
 def use_exponential_ratelimit_backends(settings):
     # we need to explicitly override it here

tests/test_ntfy_backend.py

@@ -247,7 +247,11 @@ def test_priority_signal(settings, use_ntfy_backend, priority_signal):
         assert mail.send_mail("Sub", "Body", "[email protected]", ["[email protected]"]) == 1
 
 
-def test_exponential_rate_limit(settings, use_ntfy_exponential_ratelimit_backend, clear_cache):
+def test_exponential_rate_limit(settings, use_exponential_ratelimit_backends, clear_cache):
+    settings.EMAIL_EXPONENTIAL_RATE_LIMIT_BACKENDS = [
+        'django_ntfy.NtfyBackend',
+    ]
+
     def check(sent: bool, subject_suffix: str):
         if sent:
             with responses.RequestsMock() as rsps: