[python] Revert wrong code to avoid overwrite customized code when generation-subdir is set

.chronus/changes/copilot-fix-enum-name-compile-error-2026-3-16-5-51-48.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Fix enum member names with hyphens generating invalid Python identifiers

.chronus/changes/python-addBackApiViewSphinx-2026-3-9-12-35-1.md

@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Add apiview and sphinx to ci

.chronus/changes/python-drop-39-2026-4-27-6-50-0.md

@@ -0,0 +1,9 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: deprecation
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Drop support for Python 3.9. The minimum supported Python version is now 3.10. Python 3.9 reached end-of-life and is no longer supported by upstream Python.

.chronus/changes/python-fixCI-2026-3-24-14-53-10.md

@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Fix failing CI

.chronus/changes/python-update-contributing-docs-2026-04-23-10-47-41.md

@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Fix transient mypy CI failures on Windows with retry logic and update CONTRIBUTING docs to reflect the new end-to-end release workflow

.chronus/changes/revert-wrong-code-2026-3-29-13-46-47.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Revert wrong code to avoid overwrite customized code when generation-subdir is set

eng/pipelines/ci.yml

@@ -54,11 +54,6 @@ jobs:
           Pool: ${{ variables.LINUXPOOL }}
           OSVmImage: ${{ variables.LINUXVMIMAGE}}
           PythonVersion: "3.10"
-        Windows_Python3.10:
-          OSName: "Windows"
-          Pool: ${{ variables.WINDOWSPOOL }}
-          OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
-          PythonVersion: "3.10"
         Linux_Python3.11:
           OSName: "Linux"
           Pool: ${{ variables.LINUXPOOL }}
@@ -69,11 +64,16 @@ jobs:
           Pool: ${{ variables.LINUXPOOL }}
           OSVmImage: ${{ variables.LINUXVMIMAGE}}
           PythonVersion: "3.13"
-        Windows_Python3.13:
-          OSName: "Windows"
-          Pool: ${{ variables.WINDOWSPOOL }}
-          OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
-          PythonVersion: "3.13"
+        # Windows_Python3.10:
+        #   OSName: "Windows"
+        #   Pool: ${{ variables.WINDOWSPOOL }}
+        #   OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
+        #   PythonVersion: "3.10"
+        # Windows_Python3.13:
+        #   OSName: "Windows"
+        #   Pool: ${{ variables.WINDOWSPOOL }}
+        #   OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
+        #   PythonVersion: "3.13"
 
     pool:
       name: $(Pool)
@@ -140,11 +140,6 @@ jobs:
           Pool: ${{ variables.LINUXPOOL }}
           OSVmImage: ${{ variables.LINUXVMIMAGE}}
           PythonVersion: "3.10"
-        Windows_Python310:
-          OSName: "Windows"
-          Pool: ${{ variables.WINDOWSPOOL }}
-          OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
-          PythonVersion: "3.10"
         Linux_Python311:
           OSName: "Linux"
           Pool: ${{ variables.LINUXPOOL }}
@@ -155,11 +150,16 @@ jobs:
           Pool: ${{ variables.LINUXPOOL }}
           OSVmImage: ${{ variables.LINUXVMIMAGE}}
           PythonVersion: "3.13"
-        Windows_Python313:
-          OSName: "Windows"
-          Pool: ${{ variables.WINDOWSPOOL }}
-          OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
-          PythonVersion: "3.13"
+        # Windows_Python310:
+        #   OSName: "Windows"
+        #   Pool: ${{ variables.WINDOWSPOOL }}
+        #   OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
+        #   PythonVersion: "3.10"
+        # Windows_Python313:
+        #   OSName: "Windows"
+        #   Pool: ${{ variables.WINDOWSPOOL }}
+        #   OSVmImage: ${{ variables.WINDOWSVMIMAGE}}
+        #   PythonVersion: "3.13"
 
     pool:
       name: $(Pool)

packages/autorest.python/autorest/__init__.py

@@ -13,7 +13,6 @@
 from pygen import ReaderAndWriter, Plugin, YamlUpdatePlugin, OptionsDict
 from .jsonrpc import AutorestAPI
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

packages/autorest.python/autorest/codegen.py

@@ -16,7 +16,6 @@
 from .jsonrpc import AutorestAPI
 from . import PluginAutorest
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

packages/autorest.python/autorest/jsonrpc/localapi.py

@@ -9,7 +9,6 @@
 
 from . import AutorestAPI, Channel
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

packages/autorest.python/autorest/jsonrpc/server.py

@@ -14,7 +14,6 @@
 
 from .stdstream import read_message, write_message
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

packages/autorest.python/autorest/jsonrpc/stdstream.py

@@ -14,7 +14,6 @@
 
 from . import AutorestAPI, Channel
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

packages/autorest.python/autorest/m2r.py

@@ -4,6 +4,7 @@
 # license information.
 # --------------------------------------------------------------------------
 """An autorest MD to RST plugin."""
+
 import logging
 from typing import Any, Dict, Set, Union
 
@@ -12,7 +13,6 @@
 
 from . import YamlUpdatePluginAutorest
 
-
 _LOGGER = logging.getLogger(__name__)
 
 

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

@@ -5,6 +5,7 @@
 # license information.
 # --------------------------------------------------------------------------
 """The modelerfour reformatter autorest plugin."""
+
 import re
 import copy
 import logging
@@ -19,7 +20,6 @@
 )
 from .. import YamlUpdatePluginAutorest
 
-
 ORIGINAL_ID_TO_UPDATED_TYPE: Dict[int, Dict[str, Any]] = {}
 OAUTH_TYPE = "OAuth2"
 KEY_TYPE = "Key"
@@ -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/autorest/preprocess.py

@@ -4,6 +4,7 @@
 # license information.
 # --------------------------------------------------------------------------
 """The preprocessing autorest plugin."""
+
 from typing import Dict, Any
 from pygen.preprocess import PreProcessPlugin
 from . import YamlUpdatePluginAutorest

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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjE3ODYzNi9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjIyNTU3My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/_patch.py

@@ -7,6 +7,7 @@
 
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
+
 from typing import List
 
 __all__: List[str] = []  # Add all objects you want publicly available to users at this package level

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/_pyproject_mgmt_client.py

@@ -7,8 +7,8 @@
 # --------------------------------------------------------------------------
 
 from copy import deepcopy
+import sys
 from typing import Any, Optional, TYPE_CHECKING, cast
-from typing_extensions import Self
 
 from azure.core.pipeline import policies
 from azure.core.rest import HttpRequest, HttpResponse
@@ -21,6 +21,11 @@
 from ._utils.serialization import Deserializer, Serializer
 from .operations import HttpSuccessOperations, Operations, SelfDefineOperations
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self  # type: ignore
+
 if TYPE_CHECKING:
     from azure.core import AzureClouds
     from azure.core.credentials import TokenCredential

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/_utils/serialization.py

@@ -39,11 +39,15 @@
 import xml.etree.ElementTree as ET
 
 import isodate  # type: ignore
-from typing_extensions import Self
 
 from azure.core.exceptions import DeserializationError, SerializationError
 from azure.core.serialization import NULL as CoreNull
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
 _BOM = codecs.BOM_UTF8.decode(encoding="utf-8")
 
 JSON = MutableMapping[str, Any]

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/aio/_patch.py

@@ -7,6 +7,7 @@
 
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
+
 from typing import List
 
 __all__: List[str] = []  # Add all objects you want publicly available to users at this package level

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/aio/_pyproject_mgmt_client.py

@@ -7,8 +7,8 @@
 # --------------------------------------------------------------------------
 
 from copy import deepcopy
+import sys
 from typing import Any, Awaitable, Optional, TYPE_CHECKING, cast
-from typing_extensions import Self
 
 from azure.core.pipeline import policies
 from azure.core.rest import AsyncHttpResponse, HttpRequest
@@ -21,6 +21,11 @@
 from ._configuration import PyprojectMgmtClientConfiguration
 from .operations import HttpSuccessOperations, Operations, SelfDefineOperations
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self  # type: ignore
+
 if TYPE_CHECKING:
     from azure.core import AzureClouds
     from azure.core.credentials_async import AsyncTokenCredential

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/aio/operations/_patch.py

@@ -7,6 +7,7 @@
 
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
+
 from typing import List
 
 __all__: List[str] = []  # Add all objects you want publicly available to users at this package level

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/azure/mgmt/pyproject/operations/_patch.py

@@ -7,6 +7,7 @@
 
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
+
 from typing import List
 
 __all__: List[str] = []  # Add all objects you want publicly available to users at this package level

packages/autorest.python/samples/specification/azure-mgmt-pyproject/test/azure-mgmt-pyproject/pyproject.toml

@@ -21,13 +21,12 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = ["azure", "azure sdk"]
 
 dependencies = [

packages/autorest.python/samples/specification/azure-mgmt-test/test/azure-mgmt-test/azure/mgmt/test/_auto_rest_head_test_service.py

@@ -7,8 +7,8 @@
 # --------------------------------------------------------------------------
 
 from copy import deepcopy
+import sys
 from typing import Any, Optional, TYPE_CHECKING, cast
-from typing_extensions import Self
 
 from azure.core.pipeline import policies
 from azure.core.rest import HttpRequest, HttpResponse
@@ -21,6 +21,11 @@
 from ._utils.serialization import Deserializer, Serializer
 from .operations import HttpSuccessOperations
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self  # type: ignore
+
 if TYPE_CHECKING:
     from azure.core import AzureClouds
     from azure.core.credentials import TokenCredential

packages/autorest.python/samples/specification/azure-mgmt-test/test/azure-mgmt-test/azure/mgmt/test/_patch.py

@@ -7,6 +7,7 @@
 
 Follow our quickstart for examples: https://aka.ms/azsdk/python/dpcodegen/python/customize
 """
+
 from typing import List
 
 __all__: List[str] = []  # Add all objects you want publicly available to users at this package level

packages/autorest.python/samples/specification/azure-mgmt-test/test/azure-mgmt-test/azure/mgmt/test/_utils/serialization.py

@@ -39,11 +39,15 @@
 import xml.etree.ElementTree as ET
 
 import isodate  # type: ignore
-from typing_extensions import Self
 
 from azure.core.exceptions import DeserializationError, SerializationError
 from azure.core.serialization import NULL as CoreNull
 
+if sys.version_info >= (3, 11):
+    from typing import Self
+else:
+    from typing_extensions import Self
+
 _BOM = codecs.BOM_UTF8.decode(encoding="utf-8")
 
 JSON = MutableMapping[str, Any]