fix: consolidate summary and layout types from exposing SnapMetadata

Pyright started finding issues after exposing the symbol

Signed-off-by: Sergio Schvezov <sergio.schvezov@canonical.com>

snapcraft/meta/snap_yaml.py

@@ -23,7 +23,7 @@
 
 import pydantic
 import yaml
-from craft_application.models import BaseMetadata, constraints
+from craft_application.models import BaseMetadata, SummaryStr, constraints
 from craft_cli import emit
 from pydantic import ValidationError, validator
 from typing_extensions import override
@@ -229,7 +229,7 @@ class SnapMetadata(SnapcraftMetadata):
     name: str
     title: Optional[str]
     version: str
-    summary: str
+    summary: SummaryStr
     description: str
     license: Optional[str]
     type: Optional[str]
@@ -244,7 +244,9 @@ class SnapMetadata(SnapcraftMetadata):
     plugs: Optional[Dict[str, Any]]
     slots: Optional[Dict[str, Any]]
     hooks: Optional[Dict[str, Any]]
-    layout: Optional[Dict[str, Dict[str, str]]]
+    layout: Optional[
+        Dict[str, Dict[Literal["symlink", "bind", "bind-file", "type"], str]]
+    ]
     system_usernames: Optional[Dict[str, Any]]
     provenance: Optional[str]
     links: Optional[Links]

tests/unit/services/test_package.py

@@ -18,6 +18,8 @@
 
 from pathlib import Path
 
+from craft_application.models import SummaryStr
+
 from snapcraft import linters, meta, pack
 
 
@@ -49,7 +51,7 @@ def test_metadata(package_service, default_factory, new_dir):
         name="default",
         title=None,
         version="1.0",
-        summary="default project",
+        summary=SummaryStr("default project"),
         description="default project",
         license="MIT",
         type=None,