Remove deprecated code from _fontconfig_patterns

jsjeelshah · QuLogic · commit 51ea99f4962d · 2023-12-06T17:09:05.000-05:00
diff --git a/doc/api/next_api_changes/removals/26884-JS.rst b/doc/api/next_api_changes/removals/26884-JS.rst
@@ -0,0 +1,6 @@
+Removal change template
+~~~~~~~~~~~~~~~~~~~~~~~
+
+ @_api.delete_parameter("3.7", "raw") was removed from gridpec.py
+ and
+ _api.warn_deprecated function removed from _fontcongif_patterns.py
diff --git a/lib/matplotlib/_fontconfig_pattern.py b/lib/matplotlib/_fontconfig_pattern.py
@@ -97,13 +97,7 @@ def parse_fontconfig_pattern(pattern):
         props["size"] = [*parse["sizes"]]
     for prop in parse.get("properties", []):
         if len(prop) == 1:
-            if prop[0] not in _CONSTANTS:
-                _api.warn_deprecated(
-                    "3.7", message=f"Support for unknown constants "
-                    f"({prop[0]!r}) is deprecated since %(since)s and "
-                    f"will be removed %(removal)s.")
-                continue
-            prop = _CONSTANTS[prop[0]]
+            prop = _api.check_getitem(_CONSTANTS, property=prop[0])
         k, *v = prop
         props.setdefault(k, []).extend(map(_value_unescape, v))
     return props
diff --git a/lib/matplotlib/tests/test_fontconfig_pattern.py b/lib/matplotlib/tests/test_fontconfig_pattern.py
@@ -73,5 +73,5 @@ def test_fontconfig_str():
 
 
 def test_fontconfig_unknown_constant():
-    with pytest.warns(DeprecationWarning):
+    with pytest.raises(ValueError, match="'unknown' is not a valid value for property"):
         FontProperties(":unknown")
