[python] let client options on child clients override parent client

.chronus/changes/python-clientOptionInterface-2026-1-23-17-13-8.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Allow client options on child clients to override parent clients

packages/autorest.python/package.json

@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Azure/autorest.python/blob/main/README.md",
   "dependencies": {
-    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTkxNDE1OS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.1.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTkyODY5MC9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.1.tgz",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "^4.21.0"

packages/typespec-python/package.json

@@ -67,7 +67,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "^4.21.0",
-    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTkxNDE1OS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.1.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTkyODY5MC9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.1.tgz",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {

packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/authentication-noauth-union/authentication/noauth/union/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-access/specs/azure/clientgenerator/core/access/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-alternate-type/specs/azure/clientgenerator/core/alternatetype/_utils/model_base.py

@@ -995,16 +995,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-api-version-header/client/alternateapiversion/service/header/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-api-version-path/client/alternateapiversion/service/path/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-api-version-query/client/alternateapiversion/service/query/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-client-default-value/specs/azure/clientgenerator/core/clientdefaultvalue/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization-default/specs/azure/clientgenerator/core/clientinitialization/default/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)

packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization-individually/specs/azure/clientgenerator/core/clientinitialization/individually/_utils/model_base.py

@@ -981,16 +981,20 @@ def _deserialize_with_callable(
                 return float(value.text) if value.text else None
             if deserializer is bool:
                 return value.text == "true" if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING.values():
+                return deserializer(value.text) if value.text else None
+            if deserializer and deserializer in _DESERIALIZE_MAPPING_WITHFORMAT.values():
+                return deserializer(value.text) if value.text else None
         if deserializer is None:
             return value
         if deserializer in [int, float, bool]:
             return deserializer(value)
         if isinstance(deserializer, CaseInsensitiveEnumMeta):
             try:
-                return deserializer(value)
+                return deserializer(value.text if isinstance(value, ET.Element) else value)
             except ValueError:
                 # for unknown value, return raw value
-                return value
+                return value.text if isinstance(value, ET.Element) else value
         if isinstance(deserializer, type) and issubclass(deserializer, Model):
             return deserializer._deserialize(value, [])
         return typing.cast(typing.Callable[[typing.Any], typing.Any], deserializer)(value)