Scheduled code regeneration test

eng/emitter-package.json

@@ -1,24 +1,25 @@
 {
-  "name": "dist/src/index.js",
+  "main": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-python": "0.60.1"
+    "@azure-tools/typespec-python": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest@local/npm/registry/@azure-tools/typespec-python/-/typespec-python-0.60.1-alpha.20260220.1.tgz"
   },
   "devDependencies": {
+    "@azure-tools/typespec-autorest": "~0.65.0",
+    "@azure-tools/typespec-azure-core": "~0.65.0",
+    "@azure-tools/typespec-azure-resource-manager": "~0.65.0",
+    "@azure-tools/typespec-azure-rulesets": "~0.65.0",
+    "@azure-tools/typespec-client-generator-core": "~0.65.1",
     "@typespec/compiler": "^1.9.0",
+    "@typespec/events": "~0.79.0",
     "@typespec/http": "^1.9.0",
-    "@typespec/rest": "~0.79.0",
-    "@typespec/versioning": "~0.79.0",
     "@typespec/openapi": "^1.9.0",
-    "@typespec/events": "~0.79.0",
+    "@typespec/rest": "~0.79.0",
     "@typespec/sse": "~0.79.0",
     "@typespec/streams": "~0.79.0",
-    "@typespec/xml": "~0.79.0",
-    "@azure-tools/openai-typespec": "1.8.0",
-    "@azure-tools/typespec-autorest": "~0.65.0",
-    "@azure-tools/typespec-azure-core": "~0.65.0",
-    "@azure-tools/typespec-azure-resource-manager": "~0.65.0",
-    "@azure-tools/typespec-azure-rulesets": "~0.65.0",
-    "@azure-tools/typespec-client-generator-core": "~0.65.0",
-    "@azure-tools/typespec-liftr-base": "0.11.0"
+    "@typespec/versioning": "~0.79.0",
+    "@typespec/xml": "~0.79.0"
+  },
+  "overrides": {
+    "@autorest/python": "https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-js-test-autorest@local/npm/registry/@autorest/python/-/python-6.49.1-alpha.20260220.1.tgz"
   }
 }

sdk/ai/azure-ai-agents/_metadata.json

@@ -1,3 +1,6 @@
 {
-  "apiVersion": "2025-05-15-preview"
+  "apiVersion": "2025-05-15-preview",
+  "apiVersions": {
+    "Azure.AI.Agents": "2025-05-15-preview"
+  }
 }

sdk/ai/azure-ai-agents/azure/ai/agents/_client.py

@@ -56,9 +56,9 @@ class AgentsClient(_AgentsClientOperationsMixin):  # pylint: disable=too-many-in
     :type endpoint: str
     :param credential: Credential used to authenticate requests to the service. Required.
     :type credential: ~azure.core.credentials.TokenCredential
-    :keyword api_version: The API version to use for this operation. Default value is
-     "2025-05-15-preview". Note that overriding this default value may result in unsupported
-     behavior.
+    :keyword api_version: The API version to use for this operation. Known values are
+     "2025-05-15-preview" and None. Default value is "2025-05-15-preview". Note that overriding this
+     default value may result in unsupported behavior.
     :paramtype api_version: str
     """
 

sdk/ai/azure-ai-agents/azure/ai/agents/_configuration.py

@@ -27,9 +27,9 @@ class AgentsClientConfiguration:  # pylint: disable=too-many-instance-attributes
     :type endpoint: str
     :param credential: Credential used to authenticate requests to the service. Required.
     :type credential: ~azure.core.credentials.TokenCredential
-    :keyword api_version: The API version to use for this operation. Default value is
-     "2025-05-15-preview". Note that overriding this default value may result in unsupported
-     behavior.
+    :keyword api_version: The API version to use for this operation. Known values are
+     "2025-05-15-preview" and None. Default value is "2025-05-15-preview". Note that overriding this
+     default value may result in unsupported behavior.
     :paramtype api_version: str
     """
 

sdk/ai/azure-ai-agents/azure/ai/agents/_utils/model_base.py

@@ -1,3 +1,4 @@
+# pylint: disable=line-too-long,useless-suppression,too-many-lines
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -36,6 +37,7 @@
 
 TZ_UTC = timezone.utc
 _T = typing.TypeVar("_T")
+_NONE_TYPE = type(None)
 
 
 def _timedelta_as_isostr(td: timedelta) -> str:
@@ -170,6 +172,21 @@ def default(self, o):  # pylint: disable=too-many-return-statements
     r"(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s\d{4}\s\d{2}:\d{2}:\d{2}\sGMT"
 )
 
+_ARRAY_ENCODE_MAPPING = {
+    "pipeDelimited": "|",
+    "spaceDelimited": " ",
+    "commaDelimited": ",",
+    "newlineDelimited": "\n",
+}
+
+
+def _deserialize_array_encoded(delimit: str, attr):
+    if isinstance(attr, str):
+        if attr == "":
+            return []
+        return attr.split(delimit)
+    return attr
+
 
 def _deserialize_datetime(attr: typing.Union[str, datetime]) -> datetime:
     """Deserialize ISO-8601 formatted string into Datetime object.
@@ -201,7 +218,7 @@ def _deserialize_datetime(attr: typing.Union[str, datetime]) -> datetime:
     test_utc = date_obj.utctimetuple()
     if test_utc.tm_year > 9999 or test_utc.tm_year < 1:
         raise OverflowError("Hit max or min date")
-    return date_obj
+    return date_obj  # type: ignore[no-any-return]
 
 
 def _deserialize_datetime_rfc7231(attr: typing.Union[str, datetime]) -> datetime:
@@ -255,7 +272,7 @@ def _deserialize_time(attr: typing.Union[str, time]) -> time:
     """
     if isinstance(attr, time):
         return attr
-    return isodate.parse_time(attr)
+    return isodate.parse_time(attr)  # type: ignore[no-any-return]
 
 
 def _deserialize_bytes(attr):
@@ -314,6 +331,8 @@ def _deserialize_int_as_str(attr):
 def get_deserializer(annotation: typing.Any, rf: typing.Optional["_RestField"] = None):
     if annotation is int and rf and rf._format == "str":
         return _deserialize_int_as_str
+    if annotation is str and rf and rf._format in _ARRAY_ENCODE_MAPPING:
+        return functools.partial(_deserialize_array_encoded, _ARRAY_ENCODE_MAPPING[rf._format])
     if rf and rf._format:
         return _DESERIALIZE_MAPPING_WITHFORMAT.get(rf._format)
     return _DESERIALIZE_MAPPING.get(annotation)  # pyright: ignore
@@ -352,9 +371,39 @@ def __contains__(self, key: typing.Any) -> bool:
         return key in self._data
 
     def __getitem__(self, key: str) -> typing.Any:
+        # If this key has been deserialized (for mutable types), we need to handle serialization
+        if hasattr(self, "_attr_to_rest_field"):
+            cache_attr = f"_deserialized_{key}"
+            if hasattr(self, cache_attr):
+                rf = _get_rest_field(getattr(self, "_attr_to_rest_field"), key)
+                if rf:
+                    value = self._data.get(key)
+                    if isinstance(value, (dict, list, set)):
+                        # For mutable types, serialize and return
+                        # But also update _data with serialized form and clear flag
+                        # so mutations via this returned value affect _data
+                        serialized = _serialize(value, rf._format)
+                        # If serialized form is same type (no transformation needed),
+                        # return _data directly so mutations work
+                        if isinstance(serialized, type(value)) and serialized == value:
+                            return self._data.get(key)
+                        # Otherwise return serialized copy and clear flag
+                        try:
+                            object.__delattr__(self, cache_attr)
+                        except AttributeError:
+                            pass
+                        # Store serialized form back
+                        self._data[key] = serialized
+                        return serialized
         return self._data.__getitem__(key)
 
     def __setitem__(self, key: str, value: typing.Any) -> None:
+        # Clear any cached deserialized value when setting through dictionary access
+        cache_attr = f"_deserialized_{key}"
+        try:
+            object.__delattr__(self, cache_attr)
+        except AttributeError:
+            pass
         self._data.__setitem__(key, value)
 
     def __delitem__(self, key: str) -> None:
@@ -482,6 +531,8 @@ def _is_model(obj: typing.Any) -> bool:
 
 def _serialize(o, format: typing.Optional[str] = None):  # pylint: disable=too-many-return-statements
     if isinstance(o, list):
+        if format in _ARRAY_ENCODE_MAPPING and all(isinstance(x, str) for x in o):
+            return _ARRAY_ENCODE_MAPPING[format].join(o)
         return [_serialize(x, format) for x in o]
     if isinstance(o, dict):
         return {k: _serialize(v, format) for k, v in o.items()}
@@ -637,6 +688,10 @@ def __new__(cls, *args: typing.Any, **kwargs: typing.Any) -> Self:
                 if not rf._rest_name_input:
                     rf._rest_name_input = attr
             cls._attr_to_rest_field: dict[str, _RestField] = dict(attr_to_rest_field.items())
+            cls._backcompat_attr_to_rest_field: dict[str, _RestField] = {
+                Model._get_backcompat_attribute_name(cls._attr_to_rest_field, attr): rf
+                for attr, rf in cls._attr_to_rest_field.items()
+            }
             cls._calculated.add(f"{cls.__module__}.{cls.__qualname__}")
 
         return super().__new__(cls)
@@ -646,6 +701,16 @@ def __init_subclass__(cls, discriminator: typing.Optional[str] = None) -> None:
             if hasattr(base, "__mapping__"):
                 base.__mapping__[discriminator or cls.__name__] = cls  # type: ignore
 
+    @classmethod
+    def _get_backcompat_attribute_name(cls, attr_to_rest_field: dict[str, "_RestField"], attr_name: str) -> str:
+        rest_field_obj = attr_to_rest_field.get(attr_name)  # pylint: disable=protected-access
+        if rest_field_obj is None:
+            return attr_name
+        original_tsp_name = getattr(rest_field_obj, "_original_tsp_name", None)  # pylint: disable=protected-access
+        if original_tsp_name:
+            return original_tsp_name
+        return attr_name
+
     @classmethod
     def _get_discriminator(cls, exist_discriminators) -> typing.Optional["_RestField"]:
         for v in cls.__dict__.values():
@@ -757,6 +822,14 @@ def _deserialize_multiple_sequence(
     return type(obj)(_deserialize(deserializer, entry, module) for entry, deserializer in zip(obj, entry_deserializers))
 
 
+def _is_array_encoded_deserializer(deserializer: functools.partial) -> bool:
+    return (
+        isinstance(deserializer, functools.partial)
+        and isinstance(deserializer.args[0], functools.partial)
+        and deserializer.args[0].func == _deserialize_array_encoded  # pylint: disable=comparison-with-callable
+    )
+
+
 def _deserialize_sequence(
     deserializer: typing.Optional[typing.Callable],
     module: typing.Optional[str],
@@ -766,6 +839,19 @@ def _deserialize_sequence(
         return obj
     if isinstance(obj, ET.Element):
         obj = list(obj)
+
+    # encoded string may be deserialized to sequence
+    if isinstance(obj, str) and isinstance(deserializer, functools.partial):
+        # for list[str]
+        if _is_array_encoded_deserializer(deserializer):
+            return deserializer(obj)
+
+        # for list[Union[...]]
+        if isinstance(deserializer.args[0], list):
+            for sub_deserializer in deserializer.args[0]:
+                if _is_array_encoded_deserializer(sub_deserializer):
+                    return sub_deserializer(obj)
+
     return type(obj)(_deserialize(deserializer, entry, module) for entry in obj)
 
 
@@ -816,16 +902,16 @@ def _get_deserialize_callable_from_annotation(  # pylint: disable=too-many-retur
 
     # is it optional?
     try:
-        if any(a for a in annotation.__args__ if a == type(None)):  # pyright: ignore
+        if any(a is _NONE_TYPE for a in annotation.__args__):  # pyright: ignore
             if len(annotation.__args__) <= 2:  # pyright: ignore
                 if_obj_deserializer = _get_deserialize_callable_from_annotation(
-                    next(a for a in annotation.__args__ if a != type(None)), module, rf  # pyright: ignore
+                    next(a for a in annotation.__args__ if a is not _NONE_TYPE), module, rf  # pyright: ignore
                 )
 
                 return functools.partial(_deserialize_with_optional, if_obj_deserializer)
             # the type is Optional[Union[...]], we need to remove the None type from the Union
             annotation_copy = copy.copy(annotation)
-            annotation_copy.__args__ = [a for a in annotation_copy.__args__ if a != type(None)]  # pyright: ignore
+            annotation_copy.__args__ = [a for a in annotation_copy.__args__ if a is not _NONE_TYPE]  # pyright: ignore
             return _get_deserialize_callable_from_annotation(annotation_copy, module, rf)
     except AttributeError:
         pass
@@ -951,7 +1037,7 @@ def _failsafe_deserialize(
 ) -> typing.Any:
     try:
         return _deserialize(deserializer, response.json(), module, rf, format)
-    except DeserializationError:
+    except Exception:  # pylint: disable=broad-except
         _LOGGER.warning(
             "Ran into a deserialization error. Ignoring since this is failsafe deserialization", exc_info=True
         )
@@ -964,13 +1050,14 @@ def _failsafe_deserialize_xml(
 ) -> typing.Any:
     try:
         return _deserialize_xml(deserializer, response.text())
-    except DeserializationError:
+    except Exception:  # pylint: disable=broad-except
         _LOGGER.warning(
             "Ran into a deserialization error. Ignoring since this is failsafe deserialization", exc_info=True
         )
         return None
 
 
+# pylint: disable=too-many-instance-attributes
 class _RestField:
     def __init__(
         self,
@@ -983,6 +1070,7 @@ def __init__(
         format: typing.Optional[str] = None,
         is_multipart_file_input: bool = False,
         xml: typing.Optional[dict[str, typing.Any]] = None,
+        original_tsp_name: typing.Optional[str] = None,
     ):
         self._type = type
         self._rest_name_input = name
@@ -994,10 +1082,15 @@ def __init__(
         self._format = format
         self._is_multipart_file_input = is_multipart_file_input
         self._xml = xml if xml is not None else {}
+        self._original_tsp_name = original_tsp_name
 
     @property
     def _class_type(self) -> typing.Any:
-        return getattr(self._type, "args", [None])[0]
+        result = getattr(self._type, "args", [None])[0]
+        # type may be wrapped by nested functools.partial so we need to check for that
+        if isinstance(result, functools.partial):
+            return getattr(result, "args", [None])[0]
+        return result
 
     @property
     def _rest_name(self) -> str:
@@ -1008,14 +1101,37 @@ def _rest_name(self) -> str:
     def __get__(self, obj: Model, type=None):  # pylint: disable=redefined-builtin
         # by this point, type and rest_name will have a value bc we default
         # them in __new__ of the Model class
-        item = obj.get(self._rest_name)
+        # Use _data.get() directly to avoid triggering __getitem__ which clears the cache
+        item = obj._data.get(self._rest_name)
         if item is None:
             return item
         if self._is_model:
             return item
-        return _deserialize(self._type, _serialize(item, self._format), rf=self)
+
+        # For mutable types, we want mutations to directly affect _data
+        # Check if we've already deserialized this value
+        cache_attr = f"_deserialized_{self._rest_name}"
+        if hasattr(obj, cache_attr):
+            # Return the value from _data directly (it's been deserialized in place)
+            return obj._data.get(self._rest_name)
+
+        deserialized = _deserialize(self._type, _serialize(item, self._format), rf=self)
+
+        # For mutable types, store the deserialized value back in _data
+        # so mutations directly affect _data
+        if isinstance(deserialized, (dict, list, set)):
+            obj._data[self._rest_name] = deserialized
+            object.__setattr__(obj, cache_attr, True)  # Mark as deserialized
+            return deserialized
+
+        return deserialized
 
     def __set__(self, obj: Model, value) -> None:
+        # Clear the cached deserialized object when setting a new value
+        cache_attr = f"_deserialized_{self._rest_name}"
+        if hasattr(obj, cache_attr):
+            object.__delattr__(obj, cache_attr)
+
         if value is None:
             # we want to wipe out entries if users set attr to None
             try:
@@ -1045,6 +1161,7 @@ def rest_field(
     format: typing.Optional[str] = None,
     is_multipart_file_input: bool = False,
     xml: typing.Optional[dict[str, typing.Any]] = None,
+    original_tsp_name: typing.Optional[str] = None,
 ) -> typing.Any:
     return _RestField(
         name=name,
@@ -1054,6 +1171,7 @@ def rest_field(
         format=format,
         is_multipart_file_input=is_multipart_file_input,
         xml=xml,
+        original_tsp_name=original_tsp_name,
     )
 
 
@@ -1183,7 +1301,7 @@ def _get_wrapped_element(
         _get_element(v, exclude_readonly, meta, wrapped_element)
     else:
         wrapped_element.text = _get_primitive_type_value(v)
-    return wrapped_element
+    return wrapped_element  # type: ignore[no-any-return]
 
 
 def _get_primitive_type_value(v) -> str:
@@ -1196,7 +1314,9 @@ def _get_primitive_type_value(v) -> str:
     return str(v)
 
 
-def _create_xml_element(tag, prefix=None, ns=None):
+def _create_xml_element(
+    tag: typing.Any, prefix: typing.Optional[str] = None, ns: typing.Optional[str] = None
+) -> ET.Element:
     if prefix and ns:
         ET.register_namespace(prefix, ns)
     if ns: