more pyright fixes and add changelogs

Author: SamRemis

packages/aws-sdk-signers/.changes/next-release/aws-sdk-signers-bugfix-20251017171318.json

@@ -0,0 +1,4 @@
+{
+  "type": "bugfix",
+  "description": "fix host header port mismatch in signing"
+}

packages/aws-sdk-signers/src/aws_sdk_signers/signers.py

@@ -17,7 +17,6 @@
 from ._http import AWSRequest, Field, URI
 from ._io import AsyncBytesReader
 from .exceptions import AWSSDKWarning, MissingExpectedParameterException
-from .interfaces.http import URI as InterfaceURI
 from .interfaces.identity import AWSCredentialsIdentity as _AWSCredentialsIdentity
 from .interfaces.io import AsyncSeekable, ConditionallySeekable, Seekable
 
@@ -346,7 +345,7 @@ def _is_signable_header(self, field_name: str):
             return False
         return True
 
-    def _normalize_host_field(self, *, uri: InterfaceURI) -> str:
+    def _normalize_host_field(self, *, uri: URI) -> str:
         if uri.port is not None and DEFAULT_PORTS.get(uri.scheme) == uri.port:
             uri_dict = uri.to_dict()
             uri_dict.update({"port": None})
@@ -734,7 +733,7 @@ def _is_signable_header(self, field_name: str):
             return False
         return True
 
-    async def _normalize_host_field(self, *, uri: InterfaceURI) -> str:
+    async def _normalize_host_field(self, *, uri: URI) -> str:
         if uri.port is not None and DEFAULT_PORTS.get(uri.scheme) == uri.port:
             uri_dict = uri.to_dict()
             uri_dict.update({"port": None})

packages/smithy-http/.changes/next-release/smithy-http-bugfix-20251017171341.json

@@ -0,0 +1,4 @@
+{
+  "type": "bugfix",
+  "description": "add port to CRT HTTP client's host header"
+}

packages/smithy-http/src/smithy_http/aio/crt.py

@@ -341,7 +341,7 @@ async def _marshal_request(
         :py:class:`smithy_http.aio.HTTPRequest`"""
         headers_list = []
         if "host" not in request.fields:
-            host_header = request.destination.hostname
+            host_header = request.destination.host
             if port := request.destination.port:
                 host_header += f":{port}"
             request.fields.set_field(Field(name="host", values=[host_header]))