[python] Fall back to wire type for unknown encode

.chronus/changes/python-fallback-wire-type-unknown-encode-2026-1-9-0-0-0.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Fall back to wire type for unknown or unsupported encode

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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTg1MzAwNi9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.0.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTg1ODA3NS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.0.tgz",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "~4.19.1"

packages/typespec-python/package.json

@@ -67,7 +67,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "~4.19.1",
-    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTg1MzAwNi9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.0.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTg1ODA3NS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.27.0.tgz",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {

packages/typespec-python/test/azure/generated/azure-encode-duration/generated_tests/test_duration.py

@@ -17,7 +17,7 @@ class TestDuration(DurationClientTestBase):
     def test_duration_constant(self, duration_endpoint):
         client = self.create_client(endpoint=duration_endpoint)
         response = client.duration_constant(
-            body={"input": "1 day, 0:00:00"},
+            body={"input": "str"},
         )
 
         # please add some check logic here by yourself

packages/typespec-python/test/azure/generated/azure-encode-duration/generated_tests/test_duration_async.py

@@ -18,7 +18,7 @@ class TestDurationAsync(DurationClientTestBaseAsync):
     async def test_duration_constant(self, duration_endpoint):
         client = self.create_async_client(endpoint=duration_endpoint)
         response = await client.duration_constant(
-            body={"input": "1 day, 0:00:00"},
+            body={"input": "str"},
         )
 
         # please add some check logic here by yourself

packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/models/_models.py

@@ -7,7 +7,6 @@
 # --------------------------------------------------------------------------
 # pylint: disable=useless-super-delegation
 
-import datetime
 from typing import Any, Mapping, overload
 
 from .._utils.model_base import Model as _Model, rest_field
@@ -17,17 +16,17 @@ class DurationModel(_Model):
     """DurationModel.
 
     :ivar input: Required.
-    :vartype input: ~datetime.timedelta
+    :vartype input: str
     """
 
-    input: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    input: str = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        input: datetime.timedelta,
+        input: str,
     ) -> None: ...
 
     @overload

packages/typespec-python/test/azure/generated/encode-duration/encode/duration/aio/operations/_operations.py

@@ -429,11 +429,11 @@ async def float64_seconds(self, *, input: float, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds(self, *, input: datetime.timedelta, **kwargs: Any) -> None:
+    async def int32_milliseconds(self, *, input: int, **kwargs: Any) -> None:
         """int32_milliseconds.
 
         :keyword input: Required.
-        :paramtype input: ~datetime.timedelta
+        :paramtype input: int
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -476,11 +476,11 @@ async def int32_milliseconds(self, *, input: datetime.timedelta, **kwargs: Any)
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds_larger_unit(self, *, input: datetime.timedelta, **kwargs: Any) -> None:
+    async def int32_milliseconds_larger_unit(self, *, input: int, **kwargs: Any) -> None:
         """int32_milliseconds_larger_unit.
 
         :keyword input: Required.
-        :paramtype input: ~datetime.timedelta
+        :paramtype input: int
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -523,11 +523,11 @@ async def int32_milliseconds_larger_unit(self, *, input: datetime.timedelta, **k
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float_milliseconds(self, *, input: datetime.timedelta, **kwargs: Any) -> None:
+    async def float_milliseconds(self, *, input: float, **kwargs: Any) -> None:
         """float_milliseconds.
 
         :keyword input: Required.
-        :paramtype input: ~datetime.timedelta
+        :paramtype input: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -570,11 +570,11 @@ async def float_milliseconds(self, *, input: datetime.timedelta, **kwargs: Any)
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float_milliseconds_larger_unit(self, *, input: datetime.timedelta, **kwargs: Any) -> None:
+    async def float_milliseconds_larger_unit(self, *, input: float, **kwargs: Any) -> None:
         """float_milliseconds_larger_unit.
 
         :keyword input: Required.
-        :paramtype input: ~datetime.timedelta
+        :paramtype input: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -617,11 +617,11 @@ async def float_milliseconds_larger_unit(self, *, input: datetime.timedelta, **k
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float64_milliseconds(self, *, input: datetime.timedelta, **kwargs: Any) -> None:
+    async def float64_milliseconds(self, *, input: float, **kwargs: Any) -> None:
         """float64_milliseconds.
 
         :keyword input: Required.
-        :paramtype input: ~datetime.timedelta
+        :paramtype input: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -711,11 +711,11 @@ async def int32_seconds_array(self, *, input: list[int], **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds_array(self, *, input: list[datetime.timedelta], **kwargs: Any) -> None:
+    async def int32_milliseconds_array(self, *, input: list[int], **kwargs: Any) -> None:
         """int32_milliseconds_array.
 
         :keyword input: Required.
-        :paramtype input: list[~datetime.timedelta]
+        :paramtype input: list[int]
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -2908,11 +2908,11 @@ async def float64_seconds(self, *, duration: float, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds(self, *, duration: datetime.timedelta, **kwargs: Any) -> None:
+    async def int32_milliseconds(self, *, duration: int, **kwargs: Any) -> None:
         """int32_milliseconds.
 
         :keyword duration: Required.
-        :paramtype duration: ~datetime.timedelta
+        :paramtype duration: int
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -2955,11 +2955,11 @@ async def int32_milliseconds(self, *, duration: datetime.timedelta, **kwargs: An
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds_larger_unit(self, *, duration: datetime.timedelta, **kwargs: Any) -> None:
+    async def int32_milliseconds_larger_unit(self, *, duration: int, **kwargs: Any) -> None:
         """int32_milliseconds_larger_unit.
 
         :keyword duration: Required.
-        :paramtype duration: ~datetime.timedelta
+        :paramtype duration: int
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -3002,11 +3002,11 @@ async def int32_milliseconds_larger_unit(self, *, duration: datetime.timedelta,
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float_milliseconds(self, *, duration: datetime.timedelta, **kwargs: Any) -> None:
+    async def float_milliseconds(self, *, duration: float, **kwargs: Any) -> None:
         """float_milliseconds.
 
         :keyword duration: Required.
-        :paramtype duration: ~datetime.timedelta
+        :paramtype duration: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -3049,11 +3049,11 @@ async def float_milliseconds(self, *, duration: datetime.timedelta, **kwargs: An
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float_milliseconds_larger_unit(self, *, duration: datetime.timedelta, **kwargs: Any) -> None:
+    async def float_milliseconds_larger_unit(self, *, duration: float, **kwargs: Any) -> None:
         """float_milliseconds_larger_unit.
 
         :keyword duration: Required.
-        :paramtype duration: ~datetime.timedelta
+        :paramtype duration: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -3096,11 +3096,11 @@ async def float_milliseconds_larger_unit(self, *, duration: datetime.timedelta,
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def float64_milliseconds(self, *, duration: datetime.timedelta, **kwargs: Any) -> None:
+    async def float64_milliseconds(self, *, duration: float, **kwargs: Any) -> None:
         """float64_milliseconds.
 
         :keyword duration: Required.
-        :paramtype duration: ~datetime.timedelta
+        :paramtype duration: float
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
@@ -3143,11 +3143,11 @@ async def float64_milliseconds(self, *, duration: datetime.timedelta, **kwargs:
             return cls(pipeline_response, None, {})  # type: ignore
 
     @distributed_trace_async
-    async def int32_milliseconds_array(self, *, duration: list[datetime.timedelta], **kwargs: Any) -> None:
+    async def int32_milliseconds_array(self, *, duration: list[int], **kwargs: Any) -> None:
         """int32_milliseconds_array.
 
         :keyword duration: Required.
-        :paramtype duration: list[~datetime.timedelta]
+        :paramtype duration: list[int]
         :return: None
         :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:

packages/typespec-python/test/azure/generated/encode-duration/encode/duration/models/_models.py

@@ -45,17 +45,17 @@ class Float64MillisecondsDurationProperty(_Model):
     """Float64MillisecondsDurationProperty.
 
     :ivar value: Required.
-    :vartype value: ~datetime.timedelta
+    :vartype value: float
     """
 
-    value: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: float = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: datetime.timedelta,
+        value: float,
     ) -> None: ...
 
     @overload
@@ -101,17 +101,17 @@ class FloatMillisecondsDurationArrayProperty(_Model):
     """FloatMillisecondsDurationArrayProperty.
 
     :ivar value: Required.
-    :vartype value: list[~datetime.timedelta]
+    :vartype value: list[float]
     """
 
-    value: list[datetime.timedelta] = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: list[float] = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: list[datetime.timedelta],
+        value: list[float],
     ) -> None: ...
 
     @overload
@@ -129,17 +129,17 @@ class FloatMillisecondsDurationProperty(_Model):
     """FloatMillisecondsDurationProperty.
 
     :ivar value: Required.
-    :vartype value: ~datetime.timedelta
+    :vartype value: float
     """
 
-    value: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: float = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: datetime.timedelta,
+        value: float,
     ) -> None: ...
 
     @overload
@@ -157,17 +157,17 @@ class FloatMillisecondsLargerUnitDurationProperty(_Model):  # pylint: disable=na
     """FloatMillisecondsLargerUnitDurationProperty.
 
     :ivar value: Required.
-    :vartype value: ~datetime.timedelta
+    :vartype value: float
     """
 
-    value: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: float = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: datetime.timedelta,
+        value: float,
     ) -> None: ...
 
     @overload
@@ -269,17 +269,17 @@ class Int32MillisecondsDurationProperty(_Model):
     """Int32MillisecondsDurationProperty.
 
     :ivar value: Required.
-    :vartype value: ~datetime.timedelta
+    :vartype value: int
     """
 
-    value: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: int = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: datetime.timedelta,
+        value: int,
     ) -> None: ...
 
     @overload
@@ -297,17 +297,17 @@ class Int32MillisecondsLargerUnitDurationProperty(_Model):  # pylint: disable=na
     """Int32MillisecondsLargerUnitDurationProperty.
 
     :ivar value: Required.
-    :vartype value: ~datetime.timedelta
+    :vartype value: int
     """
 
-    value: datetime.timedelta = rest_field(visibility=["read", "create", "update", "delete", "query"])
+    value: int = rest_field(visibility=["read", "create", "update", "delete", "query"])
     """Required."""
 
     @overload
     def __init__(
         self,
         *,
-        value: datetime.timedelta,
+        value: int,
     ) -> None: ...
 
     @overload