Don't allow (Named)Tuple to coerce objects to 'object' representation during conversion.

Looks like this was a leftover pathway that we no longer need. The type wrapper for
PythonObjectOfType is supposed to do this coersion.

Author: braxtonmckee

typed_python/compiler/expression_conversion_context.py

@@ -108,7 +108,7 @@ def getTypePointer(self, t):
             raise Exception(f"Can't give a type pointer to {t} because its not a type")
 
         return native_ast.Expression.GlobalVariable(
-            name="type_pointer_" + str(id(t)) + "_" + str(t)[:20],
+            name="type_pointer_" + str(id(t)) + "_" + t.__name__[:50],
             type=native_ast.VoidPtr,
             metadata=GlobalVariableMetadata.RawTypePointer(
                 value=t

typed_python/compiler/tests/class_compilation_test.py

@@ -39,6 +39,7 @@
     typeKnownToCompiler,
     SubclassOf,
     Held,
+    NamedTuple
 )
 import typed_python._types as _types
 from typed_python.compiler.runtime import Entrypoint, Runtime, CountCompilationsVisitor
@@ -3016,3 +3017,16 @@ def callf(c: C):
             return c.f(1, None)
 
         callf(B())
+
+    def test_call_method_with_oneof(self):
+        N = NamedTuple(x=int)
+
+        class C(Class):
+            def f(self, x: N) -> int:
+                return x.x
+
+        @Entrypoint
+        def call(c: C, x: OneOf(None, N)):
+            return c.f(x)
+
+        call(C(), N(x=10))

typed_python/compiler/type_wrappers/tuple_wrapper.py

@@ -516,10 +516,7 @@ def convert_to_self_with_target(self, context, targetVal, sourceVal, conversionL
                     )
                 )
 
-        return sourceVal.convert_to_type(
-            object,
-            ConversionLevel.Signature
-        ).convert_to_type_with_target(targetVal, conversionLevel, mayThrowOnFailure)
+        return super().convert_to_self_with_target(context, targetVal, sourceVal, conversionLevel, mayThrowOnFailure)
 
     def generateConvertOtherTupToSelf(self, context, _, targetVal, sourceVal, conversionLevel):
         convertedValues = []