Remove INTERACTIVE_NON_WEB backend filter

Author: ianthomas23

lib/matplotlib/backends/registry.py

@@ -3,8 +3,7 @@
 
 class BackendFilter(Enum):
     INTERACTIVE = 0
-    INTERACTIVE_NON_WEB = 1
-    NON_INTERACTIVE = 2
+    NON_INTERACTIVE = 1
 
 
 class BackendRegistry:
@@ -47,9 +46,6 @@ def backend_for_gui_framework(self, framework):
     def list_builtin(self, filter_=None):
         if filter_ == BackendFilter.INTERACTIVE:
             return self._BUILTIN_INTERACTIVE
-        elif filter_ == BackendFilter.INTERACTIVE_NON_WEB:
-            return list(filter(lambda x: x.lower() not in ("webagg", "nbagg"),
-                               self._BUILTIN_INTERACTIVE))
         elif filter_ == BackendFilter.NON_INTERACTIVE:
             return self._BUILTIN_NOT_INTERACTIVE
 

lib/matplotlib/backends/registry.pyi

@@ -3,7 +3,6 @@ from enum import Enum
 
 class BackendFilter(Enum):
     INTERACTIVE: int
-    INTERACTIVE_NON_WEB: int
     NON_INTERACTIVE: int
 
 

lib/matplotlib/pyplot.py

@@ -2506,7 +2506,8 @@ def polar(*args, **kwargs) -> list[Line2D]:
 # is compatible with the current running interactive framework.
 if (rcParams["backend_fallback"]
         and rcParams._get_backend_or_none() in (  # type: ignore
-            backend_registry.list_builtin(BackendFilter.INTERACTIVE_NON_WEB))
+            set(backend_registry.list_builtin(BackendFilter.INTERACTIVE)) -
+            {'WebAgg', 'nbAgg'})
         and cbook._get_running_interactive_framework()):  # type: ignore
     rcParams._set("backend", rcsetup._auto_backend_sentinel)  # type: ignore
 

lib/matplotlib/tests/test_backend_registry.py

@@ -45,9 +45,6 @@ def test_list_builtin():
          ['GTK3Agg', 'GTK3Cairo', 'GTK4Agg', 'GTK4Cairo', 'MacOSX', 'nbAgg', 'QtAgg',
           'QtCairo', 'Qt5Agg', 'Qt5Cairo', 'TkAgg', 'TkCairo', 'WebAgg', 'WX', 'WXAgg',
            'WXCairo']),
-        (BackendFilter.INTERACTIVE_NON_WEB,
-         ['GTK3Agg', 'GTK3Cairo', 'GTK4Agg', 'GTK4Cairo', 'MacOSX', 'QtAgg', 'QtCairo',
-          'Qt5Agg', 'Qt5Cairo', 'TkAgg', 'TkCairo', 'WX', 'WXAgg', 'WXCairo']),
         (BackendFilter.NON_INTERACTIVE,
          ['agg', 'cairo', 'pdf', 'pgf', 'ps', 'svg', 'template']),
     ]