[Mlir-commits] [mlir] [mlir][py] avoid crashing on None contexts in custom `get`s (PR #171140)

[Oleksandr Alex Zinenko]

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@@ -148,3 +148,16 @@ def test_value_type():
     print(parsedType)
     # CHECK: !pdl.value
     print(constructedType)
+
+
+# CHECK-LABEL: TEST: test_type_without_context
+ at run
+def test_type_without_context():
+  # Constructing a type without the surrounding ir.Context context manager
+  # should raise an exception but not crash.
+  try:
+    constructedType = pdl.ValueType.get()
+  except TypeError:
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ftynse wrote:

Yep, its reasoning is that if a type caster fails, it's a type error.

https://github.com/llvm/llvm-project/pull/171140