Automatically treat nested modules as submodules

fixes #4286
PyO3 · Jul 2, 2024 · ce53a90 · ce53a90
1 parent ee9123a
commit ce53a90
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diff --git a/pyo3-macros-backend/src/module.rs b/pyo3-macros-backend/src/module.rs
@@ -237,6 +237,7 @@ pub fn pymodule_module_impl(
                     )? {
                         set_module_attribute(&mut item_mod.attrs, &full_name);
                     }
+                    item_mod.attrs.push(parse_quote!(#[pyo3(submodule)]));
                 }
             }
             Item::ForeignMod(item) => {

diff --git a/tests/test_declarative_module.rs b/tests/test_declarative_module.rs
@@ -115,7 +115,7 @@ mod declarative_module {
         }
     }
 
-    #[pymodule(submodule)]
+    #[pymodule]
     #[pyo3(module = "custom_root")]
     mod inner_custom_root {
         use super::*;