From 83a1e9bb8aaf1781bd001fa58c304776448a06bb Mon Sep 17 00:00:00 2001
From: Jaap Roes <jroes@leukeleu.nl>
Date: Mon, 18 Sep 2023 17:02:24 +0200
Subject: [PATCH] Extend `bad-dunder-method-name` to permit `__html__`

---
 .../resources/test/fixtures/pylint/bad_dunder_method_name.py  | 4 ++++
 crates/ruff/src/rules/pylint/rules/bad_dunder_method_name.rs  | 1 +
 2 files changed, 5 insertions(+)

diff --git a/crates/ruff/resources/test/fixtures/pylint/bad_dunder_method_name.py b/crates/ruff/resources/test/fixtures/pylint/bad_dunder_method_name.py
index f03567ab1d162..be1cf65702e81 100644
--- a/crates/ruff/resources/test/fixtures/pylint/bad_dunder_method_name.py
+++ b/crates/ruff/resources/test/fixtures/pylint/bad_dunder_method_name.py
@@ -59,6 +59,10 @@ def __attrs_pre_init__(self):
     def __attrs_init__(self):
         pass
 
+    # Allow __html__, used by Jinja2 and Django.
+    def __html__(self):
+        pass
+
 
 def __foo_bar__():  # this is not checked by the [bad-dunder-name] rule
     ...
diff --git a/crates/ruff/src/rules/pylint/rules/bad_dunder_method_name.rs b/crates/ruff/src/rules/pylint/rules/bad_dunder_method_name.rs
index b12a77db2397a..a3c3145798006 100644
--- a/crates/ruff/src/rules/pylint/rules/bad_dunder_method_name.rs
+++ b/crates/ruff/src/rules/pylint/rules/bad_dunder_method_name.rs
@@ -123,6 +123,7 @@ fn is_known_dunder_method(method: &str) -> bool {
             | "__getstate__"
             | "__gt__"
             | "__hash__"
+            | "__html__"
             | "__iadd__"
             | "__iand__"
             | "__ifloordiv__"