impl more warnings

Author: youknowone

Lib/test/test_warnings/__init__.py

@@ -929,7 +929,6 @@ def test_filter(self):
             self.assertRaises(UserWarning, self.module.warn,
                                 'convert to error')
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module 'warnings' has no attribute 'onceregistry'
     def test_onceregistry(self):
         # Replacing or removing the onceregistry should be okay.
         global __warningregistry__
@@ -959,7 +958,6 @@ def test_onceregistry(self):
         finally:
             self.module.onceregistry = original_registry
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AttributeError: module 'warnings' has no attribute 'defaultaction'
     def test_default_action(self):
         # Replacing or removing defaultaction should be okay.
         message = UserWarning("defaultaction test")
@@ -1631,7 +1629,6 @@ def __del__(self):
         self.assertEqual(err.decode().rstrip(),
                          '<string>:7: UserWarning: test')
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: b'' doesn't start with b'<sys>:0: ResourceWarning: unclosed file '
     def test_late_resource_warning(self):
         # Issue #21925: Emitting a ResourceWarning late during the Python
         # shutdown must be logged.

crates/vm/src/stdlib/warnings.rs

@@ -8,13 +8,13 @@ pub fn warn(
     stack_level: usize,
     vm: &VirtualMachine,
 ) -> PyResult<()> {
-    // TODO: use rust warnings module
-    if let Ok(module) = vm.import("warnings", 0)
-        && let Ok(func) = module.get_attr("warn", vm)
-    {
-        func.call((message, category.to_owned(), stack_level), vm)?;
-    }
-    Ok(())
+    crate::warn::warn(
+        vm.new_pyobj(message),
+        Some(category.to_owned()),
+        stack_level as isize,
+        None,
+        vm,
+    )
 }
 
 #[pymodule]

crates/vm/src/vm/context.rs

@@ -247,6 +247,8 @@ declare_const_name! {
     _defaultaction,
     _onceregistry,
     _showwarnmsg,
+    defaultaction,
+    onceregistry,
     filters,
     backslashreplace,
     close,