1 files changed, 34 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/litestar/_layers/utils.py b/venv/lib/python3.11/site-packages/litestar/_layers/utils.py
new file mode 100644
index 0000000..61afd61
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/litestar/_layers/utils.py
@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Mapping, Sequence
+
+from litestar.datastructures.cookie import Cookie
+from litestar.datastructures.response_header import ResponseHeader
+
+__all__ = ("narrow_response_cookies", "narrow_response_headers")
+
+
+if TYPE_CHECKING:
+    from litestar.types.composite_types import ResponseCookies, ResponseHeaders
+
+
+def narrow_response_headers(headers: ResponseHeaders | None) -> Sequence[ResponseHeader] | None:
+    """Given :class:`.types.ResponseHeaders` as a :class:`typing.Mapping`, create a list of
+    :class:`.datastructures.response_header.ResponseHeader` from it, otherwise return ``headers`` unchanged
+    """
+    return (
+        tuple(ResponseHeader(name=name, value=value) for name, value in headers.items())
+        if isinstance(headers, Mapping)
+        else headers
+    )
+
+
+def narrow_response_cookies(cookies: ResponseCookies | None) -> Sequence[Cookie] | None:
+    """Given :class:`.types.ResponseCookies` as a :class:`typing.Mapping`, create a list of
+    :class:`.datastructures.cookie.Cookie` from it, otherwise return ``cookies`` unchanged
+    """
+    return (
+        tuple(Cookie(key=key, value=value) for key, value in cookies.items())
+        if isinstance(cookies, Mapping)
+        else cookies
+    )