[Mlir-commits] [mlir] [MLIR][Python] Add python bindings for IRDL dialect (PR #158488)

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``````````bash
darker --check --diff -r origin/main...HEAD mlir/python/mlir/dialects/irdl.py mlir/test/python/dialects/irdl.py
``````````

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View the diff from darker here.
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``````````diff
--- python/mlir/dialects/irdl.py	2025-09-14 14:16:38.000000 +0000
+++ python/mlir/dialects/irdl.py	2025-09-14 14:29:30.181944 +0000
@@ -12,10 +12,11 @@
     get_op_results_or_values as _get_values,
     _cext as _ods_cext,
 )
 from ..extras.meta import region_op
 
+
 @_ods_cext.register_operation(_Dialect, replace=True)
 class DialectOp(DialectOp):
     """Specialization for the dialect op class."""
 
     def __init__(self, sym_name, *, loc=None, ip=None):
@@ -23,10 +24,11 @@
         self.regions[0].blocks.append()
 
     @property
     def body(self):
         return self.regions[0].blocks[0]
+
 
 @_ods_cext.register_operation(_Dialect, replace=True)
 class OperationOp(OperationOp):
     """Specialization for the operation op class."""
 
@@ -36,8 +38,11 @@
 
     @property
     def body(self):
         return self.regions[0].blocks[0]
 
+
 @register_attribute_builder("VariadicityArrayAttr")
 def _variadicity_array_attr(x, context):
-    return _ods_cext.ir.Attribute.parse(f"#irdl<variadicity_array [{', '.join(str(i) for i in x)}]>")
+    return _ods_cext.ir.Attribute.parse(
+        f"#irdl<variadicity_array [{', '.join(str(i) for i in x)}]>"
+    )
--- test/python/dialects/irdl.py	2025-09-14 14:16:38.000000 +0000
+++ test/python/dialects/irdl.py	2025-09-14 14:29:30.197003 +0000
@@ -33,13 +33,15 @@
         # CHECK: }
         module.dump()
 
         irdl.load_dialects(module)
 
-        m = Module.parse("""
+        m = Module.parse(
+            """
           module {
             %a = arith.constant 1.0 : f32
             "irdl_test.test_op"(%a) : (f32) -> ()
           }
-        """)
+        """
+        )
         # CHECK: "irdl_test.test_op"(%cst) : (f32) -> ()
         m.dump()

``````````

</details>


https://github.com/llvm/llvm-project/pull/158488