test_expand.py::test_local_context is now 🟢

tests/test_expand.py

@@ -40,10 +40,6 @@ def test_empty_value():
     assert not yaml_ld.expand(document)
 
 
-@pytest.mark.xfail(
-    raises=JsonLdError,
-    reason='`pyld` does not handle `file://` paths.',
-)
 def test_local_context():
     document = specifications_root / 'json-ld-api/tests/expand/0127-in.jsonld'
     yaml_ld.expand(document)

yaml_ld/expand.py

@@ -54,12 +54,29 @@ def except_json_ld_errors():
                 ) from err
 
 
+def construct_base_by_document(document: str) -> str | None:
+    if isinstance(document, list | str):
+        return None
+
+    if isinstance(document, str):
+        document = URL(document)
+
+    if isinstance(document, URL):
+        document = Path(document.path)
+
+    if isinstance(document, Path):
+        return f'file://{document.parent}/'
+
+
 @validate_call(config=dict(arbitrary_types_allowed=True))
 def expand(   # noqa: C901, WPS211
     document: SerializedDocument | Document,
     options: ExpandOptions = ExpandOptions(),
 ) -> Document | list[Document]:
     """Expand a YAML-LD document."""
+    if not options.base:
+        options.base = construct_base_by_document(document)
+
     with except_json_ld_errors():
         return jsonld.expand(
             input_=str(document) if (