Merge pull request #104 from RA80533/fix/literal-support

Fix `typing.Literal` support for Python 3.9
Fatal1ty · Apr 24, 2023 · b99a1f6 · b99a1f6
2 parents 262c856 + aba3857
commit b99a1f6
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/mashumaro/core/meta/helpers.py b/mashumaro/core/meta/helpers.py
@@ -29,6 +29,7 @@
     PY_37,
     PY_38,
     PY_38_MIN,
+    PY_39,
     PY_39_MIN,
     PY_310_MIN,
     PY_311_MIN,
@@ -362,10 +363,10 @@ def is_annotated(typ: Type) -> bool:
 
 
 def is_literal(typ: Type) -> bool:
-    if PY_37 or PY_38:
+    if PY_37 or PY_38 or PY_39:
         with suppress(AttributeError):
             return is_generic(typ) and get_generic_name(typ, True) == "Literal"
-    elif PY_39_MIN:
+    elif PY_310_MIN:
         with suppress(AttributeError):
             # noinspection PyProtectedMember
             # noinspection PyUnresolvedReferences

diff --git a/tests/test_meta.py b/tests/test_meta.py
@@ -94,7 +94,8 @@ def test_is_init_var_unsupported_python(mocker):
 def test_is_literal_unsupported_python(mocker):
     mocker.patch("mashumaro.core.meta.helpers.PY_37", False)
     mocker.patch("mashumaro.core.meta.helpers.PY_38", False)
-    mocker.patch("mashumaro.core.meta.helpers.PY_39_MIN", False)
+    mocker.patch("mashumaro.core.meta.helpers.PY_39", False)
+    mocker.patch("mashumaro.core.meta.helpers.PY_310_MIN", False)
     assert not is_literal(typing_extensions.Literal[1])