Add alias decorator handling to the generated allowlist

ci/mypy-stubtest-allowlist.txt

@@ -63,88 +63,6 @@ matplotlib.contour.ContourSet.tlinewidths
 # positional-only argument name lacking leading underscores
 matplotlib.axes._base._AxesBase.axis
 
-# Aliases (dynamically generated, not type hinted)
-matplotlib.collections.Collection.get_aa
-matplotlib.collections.Collection.get_antialiaseds
-matplotlib.collections.Collection.get_dashes
-matplotlib.collections.Collection.get_ec
-matplotlib.collections.Collection.get_edgecolors
-matplotlib.collections.Collection.get_facecolors
-matplotlib.collections.Collection.get_fc
-matplotlib.collections.Collection.get_linestyles
-matplotlib.collections.Collection.get_linewidths
-matplotlib.collections.Collection.get_ls
-matplotlib.collections.Collection.get_lw
-matplotlib.collections.Collection.get_transOffset
-matplotlib.collections.Collection.set_aa
-matplotlib.collections.Collection.set_antialiaseds
-matplotlib.collections.Collection.set_dashes
-matplotlib.collections.Collection.set_ec
-matplotlib.collections.Collection.set_edgecolors
-matplotlib.collections.Collection.set_facecolors
-matplotlib.collections.Collection.set_fc
-matplotlib.collections.Collection.set_linestyles
-matplotlib.collections.Collection.set_linewidths
-matplotlib.collections.Collection.set_ls
-matplotlib.collections.Collection.set_lw
-matplotlib.collections.Collection.set_transOffset
-matplotlib.lines.Line2D.get_aa
-matplotlib.lines.Line2D.get_c
-matplotlib.lines.Line2D.get_ds
-matplotlib.lines.Line2D.get_ls
-matplotlib.lines.Line2D.get_lw
-matplotlib.lines.Line2D.get_mec
-matplotlib.lines.Line2D.get_mew
-matplotlib.lines.Line2D.get_mfc
-matplotlib.lines.Line2D.get_mfcalt
-matplotlib.lines.Line2D.get_ms
-matplotlib.lines.Line2D.set_aa
-matplotlib.lines.Line2D.set_c
-matplotlib.lines.Line2D.set_ds
-matplotlib.lines.Line2D.set_ls
-matplotlib.lines.Line2D.set_lw
-matplotlib.lines.Line2D.set_mec
-matplotlib.lines.Line2D.set_mew
-matplotlib.lines.Line2D.set_mfc
-matplotlib.lines.Line2D.set_mfcalt
-matplotlib.lines.Line2D.set_ms
-matplotlib.patches.Patch.get_aa
-matplotlib.patches.Patch.get_ec
-matplotlib.patches.Patch.get_fc
-matplotlib.patches.Patch.get_ls
-matplotlib.patches.Patch.get_lw
-matplotlib.patches.Patch.set_aa
-matplotlib.patches.Patch.set_ec
-matplotlib.patches.Patch.set_fc
-matplotlib.patches.Patch.set_ls
-matplotlib.patches.Patch.set_lw
-matplotlib.text.Text.get_c
-matplotlib.text.Text.get_family
-matplotlib.text.Text.get_font
-matplotlib.text.Text.get_font_properties
-matplotlib.text.Text.get_ha
-matplotlib.text.Text.get_name
-matplotlib.text.Text.get_size
-matplotlib.text.Text.get_style
-matplotlib.text.Text.get_va
-matplotlib.text.Text.get_variant
-matplotlib.text.Text.get_weight
-matplotlib.text.Text.set_c
-matplotlib.text.Text.set_family
-matplotlib.text.Text.set_font
-matplotlib.text.Text.set_font_properties
-matplotlib.text.Text.set_ha
-matplotlib.text.Text.set_ma
-matplotlib.text.Text.set_name
-matplotlib.text.Text.set_size
-matplotlib.text.Text.set_stretch
-matplotlib.text.Text.set_style
-matplotlib.text.Text.set_va
-matplotlib.text.Text.set_variant
-matplotlib.text.Text.set_weight
-matplotlib.axes._base._AxesBase.get_fc
-matplotlib.axes._base._AxesBase.set_fc
-
 # Other dynamic python behaviors not type hinted
 matplotlib.rcsetup.defaultParams
 

tools/stubtest.py

@@ -1,4 +1,5 @@
 import ast
+import os
 import pathlib
 import subprocess
 import sys
@@ -22,10 +23,34 @@ def visit_FunctionDef(self, node):
             if hasattr(node, "parent"):
                 parent = node.parent
                 while hasattr(parent, "parent") and not isinstance(parent, ast.Module):
-                    parents.append(parent.name)
+                    parents.insert(0, parent.name)
                     parent = parent.parent
             self.output.write(f"{'.'.join(self.context + parents)}.{node.name}\n")
 
+    def visit_ClassDef(self, node):
+        for dec in node.decorator_list:
+            if "define_aliases" in ast.unparse(dec):
+                parents = []
+                if hasattr(node, "parent"):
+                    parent = node.parent
+                    while hasattr(parent, "parent") and not isinstance(
+                        parent, ast.Module
+                    ):
+                        parents.insert(0, parent.name)
+                        parent = parent.parent
+                aliases = ast.literal_eval(dec.args[0])
+                # Written as a regex rather than two lines to avoid unused entries
+                # for setters on items with only a getter
+                for substitutions in aliases.values():
+                    parts = self.context + parents + [node.name]
+                    self.output.write(
+                        "\n".join(
+                            f"{'.'.join(parts)}.[gs]et_{a}\n" for a in substitutions
+                        )
+                    )
+        for child in ast.iter_child_nodes(node):
+            self.visit(child)
+
 
 with tempfile.NamedTemporaryFile("wt") as f:
     for path in mpl.glob("**/*.py"):
@@ -48,6 +73,7 @@ def visit_FunctionDef(self, node):
             "matplotlib",
         ],
         cwd=root,
+        env=os.environ | {"MPLBACKEND": "agg"},
     )
 
 sys.exit(proc.returncode)