Merge pull request #182 from mishaschwartz/unrestrict-media-types

Remove restriction on valid media types for links

Author: vincentsarago

CHANGELOG.md

@@ -1,6 +1,8 @@
 
 ## Unreleased
 
+- Remove restriction on valid media types for links.
+
 ## 3.3.1 (2025-06-01)
 
 - Add back `SearchDatetime` in `stac_pydantic.api.search` to avoid breaking change

stac_pydantic/links.py

@@ -1,5 +1,5 @@
 from enum import auto
-from typing import Iterator, List, Optional
+from typing import Iterator, List, Optional, Union
 from urllib.parse import urljoin
 
 from pydantic import ConfigDict, Field, RootModel
@@ -15,7 +15,7 @@ class Link(StacBaseModel):
 
     href: str = Field(..., alias="href", min_length=1)
     rel: str = Field(..., alias="rel", min_length=1)
-    type: Optional[MimeTypes] = None
+    type: Optional[Union[MimeTypes, str]] = None
     title: Optional[str] = None
 
     # Label extension

tests/api/test_links.py

@@ -80,3 +80,8 @@ def test_resolve_pagination_link():
     for link in links.link_iterator():
         if isinstance(link, PaginationLink):
             assert link.href == "http://base_url.com/next/page"
+
+
+def test_link_types():
+    for type_ in (MimeTypes.xml, "some random string", None):
+        Link(href="/hello/world", type=type_, rel="test")