From cf29328d93005f98971f3964a430ca4e287cb3dc Mon Sep 17 00:00:00 2001
From: Noah Stapp <noah.stapp@mongodb.com>
Date: Wed, 16 Apr 2025 13:46:09 -0400
Subject: [PATCH 1/2] PYTHON-5284 - Remove eventlet tests for CPython > 3.9

---
 .evergreen/generated_configs/variants.yml | 11 -----------
 .evergreen/scripts/generate_config.py     |  4 ++++
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/.evergreen/generated_configs/variants.yml b/.evergreen/generated_configs/variants.yml
index fe315ab9c0..d36548f72f 100644
--- a/.evergreen/generated_configs/variants.yml
+++ b/.evergreen/generated_configs/variants.yml
@@ -536,17 +536,6 @@ buildvariants:
       AUTH: auth
       SSL: ssl
       PYTHON_BINARY: /opt/python/3.9/bin/python3
-  - name: green-eventlet-rhel8-python3.13
-    tasks:
-      - name: .standalone .noauth .nossl .sync_async
-    display_name: Green Eventlet RHEL8 Python3.13
-    run_on:
-      - rhel87-small
-    expansions:
-      GREEN_FRAMEWORK: eventlet
-      AUTH: auth
-      SSL: ssl
-      PYTHON_BINARY: /opt/python/3.13/bin/python3
   - name: green-gevent-rhel8-python3.13
     tasks:
       - name: .standalone .noauth .nossl .sync_async
diff --git a/.evergreen/scripts/generate_config.py b/.evergreen/scripts/generate_config.py
index ebdbdd9669..7e88f82316 100644
--- a/.evergreen/scripts/generate_config.py
+++ b/.evergreen/scripts/generate_config.py
@@ -343,6 +343,10 @@ def create_green_framework_variants():
     tasks = [".standalone .noauth .nossl .sync_async"]
     host = DEFAULT_HOST
     for python, framework in product([CPYTHONS[0], CPYTHONS[-1]], ["eventlet", "gevent"]):
+        if framework == "eventlet" and python == CPYTHONS[-1]:
+            # Eventlet has issues with dnspython > 2.0 and newer versions of CPython
+            # https://jira.mongodb.org/browse/PYTHON-5284
+            continue
         expansions = dict(GREEN_FRAMEWORK=framework, AUTH="auth", SSL="ssl")
         display_name = get_variant_name(f"Green {framework.capitalize()}", host, python=python)
         variant = create_variant(

From ab8d6c798f2df3c6499c3587aed0e9f8cb7027fb Mon Sep 17 00:00:00 2001
From: Noah Stapp <noah.stapp@mongodb.com>
Date: Wed, 16 Apr 2025 16:45:29 -0400
Subject: [PATCH 2/2] Update changelog

---
 doc/changelog.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/changelog.rst b/doc/changelog.rst
index 597f75f873..2fb225e2e1 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -10,6 +10,9 @@ Version 4.12.1 is a bug fix release.
 - Fixed a bug that could raise ``UnboundLocalError`` when creating asynchronous connections over SSL.
 - Fixed a bug causing SRV hostname validation to fail when resolver and resolved hostnames are identical with three domain levels.
 - Fixed a bug that caused direct use of ``pymongo.uri_parser`` to raise an ``AttributeError``.
+- Removed Eventlet testing against Python versions newer than 3.9 since
+  Eventlet is actively being sunset by its maintainers and has compatibility issues with PyMongo's dnspython dependency.
+
 
 Issues Resolved
 ...............