fix: fix resolution in case of URL without path

docling_core/utils/file.py

@@ -41,7 +41,7 @@ def resolve_file_source(source: Union[Path, AnyHttpUrl, str]) -> Path:
                     break
         # otherwise, use name from URL:
         if fname is None:
-            fname = Path(http_url.path or "file").name
+            fname = Path(http_url.path or "").name or "file"
         local_path = Path(tempfile.mkdtemp()) / fname
         with open(local_path, "wb") as f:
             for chunk in res.iter_content(chunk_size=1024):  # using 1-KB chunks

test/test_utils.py

@@ -7,8 +7,10 @@
 import json
 
 from pydantic import Field
+from requests import Response
 
 from docling_core.utils.alias import AliasModel
+from docling_core.utils.file import resolve_file_source
 
 
 def test_alias_model():
@@ -47,3 +49,24 @@ class AliasModelGrandChild(AliasModelChild):
 
     assert obj.model_dump_json() == json.dumps(data_alias, separators=(",", ":"))
     assert obj.model_dump_json() != json.dumps(data, separators=(",", ":"))
+
+
+def test_resolve_file_source_url_wout_path(monkeypatch):
+    expected_str = "foo"
+    expected_bytes = bytes(expected_str, "utf-8")
+
+    def get_dummy_response(*args, **kwargs):
+        r = Response()
+        r.status_code = 200
+        r._content = expected_bytes
+        return r
+
+    monkeypatch.setattr("requests.get", get_dummy_response)
+    monkeypatch.setattr(
+        "requests.models.Response.iter_content",
+        lambda *args, **kwargs: [expected_bytes],
+    )
+    path = resolve_file_source("https://pypi.org")
+    with open(path) as f:
+        text = f.read()
+    assert text == expected_str