From a2bd6cc424387022e59f80d5b8029606d019f0ae Mon Sep 17 00:00:00 2001
From: Anatoly Scherbakov <altaisoft@gmail.com>
Date: Mon, 4 May 2026 22:57:28 +0400
Subject: [PATCH 1/3] Use redirected URL for HTTP extension detection

---
 yaml_ld/document_loaders/http.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/yaml_ld/document_loaders/http.py b/yaml_ld/document_loaders/http.py
index 4219ead..1447690 100644
--- a/yaml_ld/document_loaders/http.py
+++ b/yaml_ld/document_loaders/http.py
@@ -211,7 +211,6 @@ def __call__(    # noqa: WPS210
     ) -> RemoteDocument:
         """Load documents from HTTP sources."""
         string_source = str(source)
-        url = URL(string_source)
 
         response = self.session.get(
             string_source,
@@ -236,8 +235,10 @@ def __call__(    # noqa: WPS210
                 raw_content_type,
             ).mime_type
 
+        response_url = URL(string_source)
         mime_type_by_extension = (
-            (extension := url.suffix) and content_types.by_extension(extension)
+            (extension := response_url.suffix)
+            and content_types.by_extension(extension)
         )
         mime_type_by_content = None
         if '<rdf:RDF' in response.text:

From 3008b3912184e684998e3fddb9d9708088761fb7 Mon Sep 17 00:00:00 2001
From: Anatoly Scherbakov <altaisoft@gmail.com>
Date: Mon, 4 May 2026 22:57:38 +0400
Subject: [PATCH 2/3] Add redirected Turtle loader regression

---
 tests/test_http_redirected_turtle_loader.py | 50 +++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 tests/test_http_redirected_turtle_loader.py

diff --git a/tests/test_http_redirected_turtle_loader.py b/tests/test_http_redirected_turtle_loader.py
new file mode 100644
index 0000000..1dd1216
--- /dev/null
+++ b/tests/test_http_redirected_turtle_loader.py
@@ -0,0 +1,50 @@
+from requests import Response, Session
+from yarl import URL
+
+from yaml_ld.document_loaders import default
+
+
+PURL_SOURCE = "http://purl.org/linked-data/cube#"
+TURTLE_CONTENT_TYPE = "text/turtle"
+TURTLE_URL = "https://raw.githubusercontent.com/example/cube.ttl"
+TURTLE_DOCUMENT = b"""
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix qb: <http://purl.org/linked-data/cube#> .
+
+qb:Observation rdfs:label "Observation" .
+"""
+
+
+class FakeSession(Session):
+    def __init__(self, response: Response):
+        super().__init__()
+        self.response = response
+
+    def get(self, *args, **kwargs):  # noqa: WPS110
+        return self.response
+
+
+def _plain_text_turtle_response() -> Response:
+    response = Response()
+    response.status_code = 200
+    response.url = TURTLE_URL
+    response.headers["Content-Type"] = "text/plain; charset=utf-8"
+    response._content = TURTLE_DOCUMENT
+    return response
+
+
+def test_uses_redirected_url_extension_for_turtle():
+    remote_document = default.HTTPDocumentLoader(
+        session=FakeSession(response=_plain_text_turtle_response()),
+    )(
+        source=URL(PURL_SOURCE),
+        options={
+            "base": PURL_SOURCE,
+            "extractAllScripts": False,
+            "headers": {},
+        },
+    )
+
+    assert remote_document["contentType"] == TURTLE_CONTENT_TYPE
+    assert remote_document["documentUrl"] == TURTLE_URL
+    assert remote_document["document"]

From 6dc13db3f8a88ecca54379b1239c3f7e560b3375 Mon Sep 17 00:00:00 2001
From: Anatoly Scherbakov <altaisoft@gmail.com>
Date: Mon, 4 May 2026 22:57:49 +0400
Subject: [PATCH 3/3] Bump package version to 1.1.21

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index c4a5c5e..d4fdbee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "yaml-ld"
-version = "1.1.20"
+version = "1.1.21"
 description = "YAML-LD for Python"
 authors = ["Anatoly Scherbakov <altaisoft@gmail.com>"]
 license = "MIT"