Cope with Namespace annotations in Python 3.14 (#3132)

The __annotations__ member can be incomplete, use the get_annotations()
helper from annotationlib (Python >= 3.14) or inspect (Python >= 3.10)
if available.

Related: #3083

Signed-off-by: Nils Philippsen <[email protected]>
Co-authored-by: Nicholas Car <[email protected]>

Author: nphilipp

rdflib/namespace/__init__.py

@@ -73,6 +73,22 @@
 import logging
 import warnings
 from collections.abc import Iterable
+
+try:
+    # Python >= 3.14
+    from annotationlib import (
+        get_annotations,  # type: ignore[attr-defined,unused-ignore]
+    )
+except ImportError:  # pragma: no cover
+    try:
+        # Python >= 3.10
+        from inspect import get_annotations  # type: ignore[attr-defined,unused-ignore]
+    except ImportError:
+
+        def get_annotations(thing: Any) -> dict:
+            return thing.__annotations__
+
+
 from functools import lru_cache
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
@@ -316,15 +332,15 @@ def __contains__(cls, item: str) -> bool:
         if item_str.startswith(str(this_ns)):
             item_str = item_str[len(str(this_ns)) :]
         return any(
-            item_str in c.__annotations__
+            item_str in get_annotations(c)
             or item_str in c._extras
             or (cls._underscore_num and item_str[0] == "_" and item_str[1:].isdigit())
             for c in cls.mro()
             if issubclass(c, DefinedNamespace)
         )
 
     def __dir__(cls) -> Iterable[str]:
-        attrs = {str(x) for x in cls.__annotations__}
+        attrs = {str(x) for x in get_annotations(cls)}
         # Removing these as they should not be considered part of the namespace.
         attrs.difference_update(_DFNS_RESERVED_ATTRS)
         values = {cls[str(x)] for x in attrs}
@@ -333,7 +349,7 @@ def __dir__(cls) -> Iterable[str]:
     def as_jsonld_context(self, pfx: str) -> dict:  # noqa: N804
         """Returns this DefinedNamespace as a JSON-LD 'context' object"""
         terms = {pfx: str(self._NS)}
-        for key, term in self.__annotations__.items():
+        for key, term in get_annotations(self).items():
             if issubclass(term, URIRef):
                 terms[key] = f"{pfx}:{key}"
 

test_reports/rdflib_w3c_sparql10-HEAD.ttl

@@ -1603,7 +1603,7 @@
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/manifest#slice-3> .
 

test_reports/rdflib_w3c_sparql11-HEAD.ttl

@@ -691,47 +691,47 @@
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#csv01> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#csv02> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#csv03> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#tsv01> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#tsv02> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/csv-tsv-res/manifest#tsv03> .
 
@@ -1939,15 +1939,15 @@
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/functions/manifest#plus-1> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/functions/manifest#plus-2> .
 
@@ -2251,15 +2251,15 @@
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/json-res/manifest#jsonres01> .
 
 [] a earl:Assertion ;
     earl:assertedBy <https://github.com/RDFLib/rdflib> ;
     earl:mode earl:automatic ;
     earl:result [ a earl:TestResult ;
-            earl:outcome earl:passed ] ;
+            earl:outcome earl:failed ] ;
     earl:subject <https://github.com/RDFLib/rdflib> ;
     earl:test <http://www.w3.org/2009/sparql/docs/tests/data-sparql11/json-res/manifest#jsonres02> .