Update Process enum __str__ method to return the enum value instead of name

Author: robtaylor

chipflow_lib/platforms/utils.py

@@ -404,7 +404,7 @@ class Process(enum.Enum):
     IHP_SG13G2 = "ihp_sg13g2"
 
     def __str__(self):
-        return f'{self.name}'
+        return f'{self.value}'
 
 
 class LockFile(pydantic.BaseModel):

tests/test_parse_config.py

@@ -25,7 +25,7 @@ def test_example_config_parsing(self):
             config = Config.model_validate(config_dict)
             self.assertEqual(config.chipflow.project_name, "test-chip")
             self.assertEqual(config.chipflow.silicon.package, "pga144")
-            self.assertEqual(str(config.chipflow.silicon.process), "GF130BCD")
+            self.assertEqual(str(config.chipflow.silicon.process), "gf130bcd")
 
     def test_mock_config_parsing(self):
         """Test that the mock chipflow.toml can be parsed with our Pydantic models."""