Fix InventoryItem deprecation warning (#173)

Author: felix-hilden

docs/src/release_notes.rst

@@ -10,6 +10,7 @@ sphinx-codeautolink adheres to
 
 Unreleased
 ----------
+- Fix Sphinx InventoryItem deprecation warning (:issue:`173`)
 - Add support for the DIRHTML Sphinx builder (:issue:`188`)
 
 0.17.2 (2025-03-02)

pyproject.toml

@@ -48,6 +48,10 @@ version = {attr = "sphinx_codeautolink.__version__"}
 [tool.pytest.ini_options]
 python_files = "*.py"
 testpaths = ["tests"]
+filterwarnings = [
+    "error",
+    "ignore:.*IPython:UserWarning",
+]
 
 [tool.coverage.run]
 source = ["src"]

src/sphinx_codeautolink/extension/__init__.py

@@ -7,6 +7,7 @@
 from pathlib import Path
 from traceback import print_exc
 
+from sphinx import version_info as sphinx_version
 from sphinx.ext.intersphinx import InventoryAdapter
 from sphinx.util import import_object
 
@@ -177,7 +178,9 @@ def make_inventory(app):
         }
         inter_inv = InventoryAdapter(app.env).main_inventory
         transposed = transpose_inventory(inter_inv, relative_to=app.outdir)
-        transposed.update(transpose_inventory(inventory, relative_to=app.outdir))
+        transposed.update(
+            transpose_inventory(inventory, relative_to=app.outdir, use_tuple=True)
+        )
         return transposed
 
     @print_exceptions()
@@ -296,7 +299,9 @@ def apply_links(self, app, exception) -> None:
         self.cache.write()
 
 
-def transpose_inventory(inv: dict, relative_to: str) -> dict[str, str]:
+def transpose_inventory(
+    inv: dict, relative_to: str, *, use_tuple: bool = False
+) -> dict[str, str]:
     """
     Transpose Sphinx inventory from {type: {name: (..., location)}} to {name: location}.
 
@@ -308,13 +313,18 @@ def transpose_inventory(inv: dict, relative_to: str) -> dict[str, str]:
         Sphinx inventory
     relative_to
         if a local file is found, transform it to be relative to this dir
+    use_tuple
+        force using Sphinx inventory tuple interface,
+        TODO: move to class interface if it becomes public (#173)
     """
     transposed = {}
     for type_, items in inv.items():
         if not type_.startswith("py:"):
             continue
         for item, info in items.items():
-            location = info[2]
+            location = (
+                info.uri if not use_tuple and sphinx_version >= (8, 2) else info[2]
+            )
             if not location.startswith("http"):
                 location = str(Path(location).relative_to(relative_to))
             transposed[item] = location