simplify treatment of get_highest_priority_hash_type

src/poetry/repositories/http_repository.py

@@ -166,7 +166,7 @@ def _get_info_from_metadata(self, link: Link) -> PackageInfo | None:
                 response = self.session.get(link.metadata_url)
                 if link.metadata_hashes and (
                     hash_name := get_highest_priority_hash_type(
-                        set(link.metadata_hashes.keys()), f"{link.filename}.metadata"
+                        link.metadata_hashes, f"{link.filename}.metadata"
                     )
                 ):
                     metadata_hash = getattr(hashlib, hash_name)(
@@ -351,9 +351,7 @@ def _links_to_data(self, links: list[Link], data: PackageInfo) -> dict[str, Any]
                 file_hash = self.calculate_sha256(link)
 
             if file_hash is None and (
-                hash_type := get_highest_priority_hash_type(
-                    set(link.hashes.keys()), link.filename
-                )
+                hash_type := get_highest_priority_hash_type(link.hashes, link.filename)
             ):
                 file_hash = f"{hash_type}:{link.hashes[hash_type]}"
 
@@ -372,9 +370,7 @@ def _links_to_data(self, links: list[Link], data: PackageInfo) -> dict[str, Any]
 
     def calculate_sha256(self, link: Link) -> str | None:
         with self._cached_or_downloaded_file(link) as filepath:
-            hash_name = get_highest_priority_hash_type(
-                set(link.hashes.keys()), link.filename
-            )
+            hash_name = get_highest_priority_hash_type(link.hashes, link.filename)
             known_hash = None
             with suppress(ValueError, AttributeError):
                 # Handle ValueError here as well since under FIPS environments

src/poetry/utils/cache.py

@@ -198,9 +198,7 @@ def __init__(self, *, cache_dir: Path) -> None:
     def get_cache_directory_for_link(self, link: Link) -> Path:
         key_parts = {"url": link.url_without_fragment}
 
-        if hash_name := get_highest_priority_hash_type(
-            set(link.hashes.keys()), link.filename
-        ):
+        if hash_name := get_highest_priority_hash_type(link.hashes, link.filename):
             key_parts[hash_name] = link.hashes[hash_name]
 
         if link.subdirectory_fragment:

src/poetry/utils/helpers.py

@@ -28,6 +28,7 @@
 
 if TYPE_CHECKING:
     from collections.abc import Callable
+    from collections.abc import Collection
     from collections.abc import Iterator
     from types import TracebackType
 
@@ -332,7 +333,7 @@ def get_file_hash(path: Path, hash_name: str = "sha256") -> str:
 
 
 def get_highest_priority_hash_type(
-    hash_types: set[str], archive_name: str
+    hash_types: Collection[str], archive_name: str
 ) -> str | None:
     if not hash_types:
         return None