Sync from typespec main (2026-04-16) (9affc6f)

.chronus/changes/py1-2026-3-14-15-3-10.md

@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+bumping pylint/mypy versions

.chronus/changes/python-refine-api-version-doc-2026-4-15.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Refine `api_version` argument doc to show `None` as default value and include note about operation's default API version being used when not set

packages/autorest.python/autorest/m4reformatter/__init__.py

@@ -748,7 +748,7 @@ def _update_content_type_parameter(
         param["language"]["default"]["description"] = description
         return param
 
-    def _update_parameters_helper(
+    def _update_parameters_helper(  # pylint: disable=too-many-positional-arguments
         self,
         parameters: List[Dict[str, Any]],
         body_parameter: Optional[Dict[str, Any]],

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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjE1ODIzMi9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.28.3.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjE2MTI1NS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.28.3.tgz",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "^4.21.0"

packages/typespec-python/dev_requirements.txt

@@ -1,15 +1,16 @@
 # shall keep aligned with dev_requirements.txt of @typspec/http-client-python
-pyright==1.1.391
-pylint==3.2.7
-tox==4.23.2
-mypy==1.13.0
+pyright==1.1.408
+pylint==4.0.5
+tox==4.16.0
+tox-uv
+mypy==1.20.1
 colorama==0.4.6
-debugpy==1.8.12
-pytest==8.3.4
+debugpy==1.8.2
+pytest==8.3.2
 coverage==7.6.1
-black==24.8.0
+black==26.3.1
 ptvsd==4.3.2
-types-PyYAML==6.0.12.20241230
+types-PyYAML==6.0.12.8
 
 # additional dependency needed for development
 setuptools

packages/typespec-python/package.json

@@ -65,7 +65,7 @@
     "@typespec/xml": ">=0.81.0 <1.0.0"
   },
   "dependencies": {
-    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjE1ODIzMi9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.28.3.tgz",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjE2MTI1NS9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.28.3.tgz",
     "fs-extra": "~11.2.0",
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
@@ -106,4 +106,4 @@
     "typescript-eslint": "^8.49.0",
     "vitest": "^4.0.15"
   }
-}
+}

packages/typespec-python/tests/mock_api/shared/test_generation_subdir2_for_generated_code.py

@@ -30,4 +30,4 @@ def test_v2(client: AddedClient):
 def test_interface_v2(client: AddedClient):
     assert client.interface_v2.v2_in_interface(
         ModelV2(prop="foo", enum_prop=EnumV2.ENUM_MEMBER, union_prop="bar")
-    ) == ModelV2(prop="foo", enum_prop=EnumV2.ENUM_MEMBER, union_prop="bar")
+    ) == ModelV2(prop="foo", enum_prop=EnumV2.ENUM_MEMBER, union_prop="bar")

packages/typespec-python/tests/mock_api/shared/test_generation_subdir_for_generated_code.py

@@ -14,4 +14,4 @@ def test_custom_method():
             "level": 0,
             "extension": [{"level": 1, "extension": [{"level": 2}]}, {"level": 1}],
         }
-    )
+    )

packages/typespec-python/tests/requirements/lint.txt

@@ -1,4 +1,4 @@
 # Linting dependencies
 -r base.txt
 pylint==4.0.4
-black==24.8.0
+black==26.3.1