Put Literal args in code blocks (#288)

* Put Literal args in code blocks

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: hoodmane

src/sphinx_autodoc_typehints/__init__.py

@@ -181,7 +181,7 @@ def format_annotation(annotation: Any, config: Config) -> str:  # noqa: C901 # t
         fmt = [format_annotation(arg, config) for arg in args]
         formatted_args = f"\\[\\[{', '.join(fmt[:-1])}], {fmt[-1]}]"
     elif full_name == "typing.Literal":
-        formatted_args = f"\\[{', '.join(repr(arg) for arg in args)}]"
+        formatted_args = "\\[{}]".format(", ".join(f"``{arg!r}``" for arg in args))
     elif full_name == "types.UnionType":
         return " | ".join([format_annotation(arg, config) for arg in args])
 

tests/test_sphinx_autodoc_typehints.py

@@ -360,7 +360,7 @@ def test_format_annotation(inv: Inventory, annotation: Any, expected_result: str
     [
         ("ClassVar", int, ":py:data:`~typing.ClassVar`\\[:py:class:`int`]"),
         ("NoReturn", None, ":py:data:`~typing.NoReturn`"),
-        ("Literal", ("a", 1), ":py:data:`~typing.Literal`\\['a', 1]"),
+        ("Literal", ("a", 1), ":py:data:`~typing.Literal`\\[``'a'``, ``1``]"),
         ("Type", None, ":py:class:`~typing.Type`"),
         ("Type", (A,), f":py:class:`~typing.Type`\\[:py:class:`~{__name__}.A`]"),
     ],