Sync from typespec main (2026-05-01) (cc29c43)

.chronus/changes/python-etagMatchCondition-2026-04-27-13-33-08.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Support custom wire names for etags defined with `Azure.Core.eTag` (e.g. `x-ms-blob-if-match`)

.chronus/changes/python-fix-azure-spec-detection-2026-3-29-12-59-39.md

@@ -0,0 +1,8 @@
+---
+changeKind: internal
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Consolidate regenerate-common.ts into regenerate.ts and fix azure spec detection using azure-http-specs path check

.chronus/changes/python-module-loading-2026-3-29-14-53-8.md

@@ -0,0 +1,8 @@
+---
+changeKind: fix
+packages:
+  - "@autorest/python"
+  - "@azure-tools/typespec-python"
+---
+
+Update Python emitter browser behavior to only load Pyodide once instead of on every emit

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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjIyNTU3My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjIzNTE1OC9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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/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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjIyNTU3My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNjIzNTE1OC9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/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",

packages/typespec-python/tests/generated/azure/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py

@@ -49,7 +49,7 @@ def build_conditional_request_post_if_match_request(  # pylint: disable=name-too
         _headers["If-Match"] = _SERIALIZER.header("if_match", if_match, "str")
     if_none_match = prep_if_none_match(etag, match_condition)
     if if_none_match is not None:
-        _headers["If-None-Match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")
+        _headers["if-none-match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")
 
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
@@ -65,7 +65,7 @@ def build_conditional_request_post_if_none_match_request(  # pylint: disable=nam
     # Construct headers
     if_match = prep_if_match(etag, match_condition)
     if if_match is not None:
-        _headers["If-Match"] = _SERIALIZER.header("if_match", if_match, "str")
+        _headers["if-match"] = _SERIALIZER.header("if_match", if_match, "str")
     if_none_match = prep_if_none_match(etag, match_condition)
     if if_none_match is not None:
         _headers["If-None-Match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")

packages/typespec-python/tests/generated/unbranded/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py

@@ -43,7 +43,7 @@ def build_conditional_request_post_if_match_request(  # pylint: disable=name-too
         _headers["If-Match"] = _SERIALIZER.header("if_match", if_match, "str")
     if_none_match = prep_if_none_match(etag, match_condition)
     if if_none_match is not None:
-        _headers["If-None-Match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")
+        _headers["if-none-match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")
 
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
@@ -59,7 +59,7 @@ def build_conditional_request_post_if_none_match_request(  # pylint: disable=nam
     # Construct headers
     if_match = prep_if_match(etag, match_condition)
     if if_match is not None:
-        _headers["If-Match"] = _SERIALIZER.header("if_match", if_match, "str")
+        _headers["if-match"] = _SERIALIZER.header("if_match", if_match, "str")
     if_none_match = prep_if_none_match(etag, match_condition)
     if if_none_match is not None:
         _headers["If-None-Match"] = _SERIALIZER.header("if_none_match", if_none_match, "str")

packages/typespec-python/tests/mock_api/azure/asynctests/test_azure_client_generator_core_client_default_value_async.py

@@ -15,16 +15,15 @@ async def client():
         yield client
 
 
-# will reopen after bug fixed
-# @pytest.mark.asyncio
-# async def test_put_model_property(client: ClientDefaultValueClient):
-#     """Test case 1: @clientDefaultValue for model property."""
-#     body = ModelWithDefaultValues(name="test")
-#     result = await client.put_model_property(body=body)
-#     assert result.name == "test"
-#     assert result.timeout == 30
-#     assert result.tier == "standard"
-#     assert result.retry is True
+@pytest.mark.asyncio
+async def test_put_model_property(client: ClientDefaultValueClient):
+    """Test case 1: @clientDefaultValue for model property."""
+    body = ModelWithDefaultValues(name="test")
+    result = await client.put_model_property(body=body)
+    assert result.name == "test"
+    assert result.timeout == 30
+    assert result.tier == "standard"
+    assert result.retry is True
 
 
 @pytest.mark.asyncio

packages/typespec-python/tests/mock_api/azure/test_azure_client_generator_core_client_default_value.py

@@ -13,15 +13,15 @@ def client():
     with ClientDefaultValueClient() as client:
         yield client
 
-# will reopen after bug fixed
-# def test_put_model_property(client: ClientDefaultValueClient):
-#     """Test case 1: @clientDefaultValue for model property."""
-#     body = ModelWithDefaultValues(name="test")
-#     result = client.put_model_property(body=body)
-#     assert result.name == "test"
-#     assert result.timeout == 30
-#     assert result.tier == "standard"
-#     assert result.retry is True
+
+def test_put_model_property(client: ClientDefaultValueClient):
+    """Test case 1: @clientDefaultValue for model property."""
+    body = ModelWithDefaultValues(name="test")
+    result = client.put_model_property(body=body)
+    assert result.name == "test"
+    assert result.timeout == 30
+    assert result.tier == "standard"
+    assert result.retry is True
 
 
 def test_get_operation_parameter(client: ClientDefaultValueClient):