TYP: semantics of enums in stub files changed

See https://typing.readthedocs.io/en/latest/spec/enums.html#defining-members
for details

Author: tacaswell

lib/matplotlib/_enums.pyi

@@ -1,18 +1,19 @@
+from typing import cast
 from enum import Enum
 
 class _AutoStringNameEnum(Enum):
     def __hash__(self) -> int: ...
 
 class JoinStyle(str, _AutoStringNameEnum):
-    miter: str
-    round: str
-    bevel: str
+    miter = cast(str, ...)
+    round = cast(str, ...)
+    bevel = cast(str, ...)
     @staticmethod
     def demo() -> None: ...
 
 class CapStyle(str, _AutoStringNameEnum):
-    butt: str
-    projecting: str
-    round: str
+    butt = cast(str, ...)
+    projecting = cast(str, ...)
+    round = cast(str, ...)
     @staticmethod
     def demo() -> None: ...

lib/matplotlib/backend_bases.pyi

@@ -236,11 +236,11 @@ class LocationEvent(Event):
     ) -> None: ...
 
 class MouseButton(IntEnum):
-    LEFT: int
-    MIDDLE: int
-    RIGHT: int
-    BACK: int
-    FORWARD: int
+    LEFT = 1
+    MIDDLE = 2
+    RIGHT = 3
+    BACK = 8
+    FORWARD = 9
 
 class MouseEvent(LocationEvent):
     button: MouseButton | Literal["up", "down"] | None
@@ -398,9 +398,9 @@ class FigureManagerBase:
 cursors = Cursors
 
 class _Mode(str, Enum):
-    NONE: str
-    PAN: str
-    ZOOM: str
+    NONE = ""
+    PAN = "pan/zoom"
+    ZOOM = "zoom rect"
 
 class NavigationToolbar2:
     toolitems: tuple[tuple[str, ...] | tuple[None, ...], ...]

lib/matplotlib/backend_tools.pyi

@@ -6,16 +6,16 @@ from matplotlib.backend_managers import ToolManager, ToolEvent
 from matplotlib.figure import Figure
 from matplotlib.scale import ScaleBase
 
-from typing import Any
+from typing import Any, cast
 
 class Cursors(enum.IntEnum):
-    POINTER: int
-    HAND: int
-    SELECT_REGION: int
-    MOVE: int
-    WAIT: int
-    RESIZE_HORIZONTAL: int
-    RESIZE_VERTICAL: int
+    POINTER = cast(int, ...)
+    HAND = cast(int, ...)
+    SELECT_REGION = cast(int, ...)
+    MOVE = cast(int, ...)
+    WAIT = cast(int, ...)
+    RESIZE_HORIZONTAL = cast(int, ...)
+    RESIZE_VERTICAL = cast(int, ...)
 
 cursors = Cursors
 

lib/matplotlib/backends/registry.pyi

@@ -3,8 +3,8 @@ from types import ModuleType
 
 
 class BackendFilter(Enum):
-    INTERACTIVE: int
-    NON_INTERACTIVE: int
+    INTERACTIVE = 0
+    NON_INTERACTIVE = 1
 
 
 class BackendRegistry:

lib/matplotlib/dviread.pyi

@@ -8,11 +8,11 @@ from typing import NamedTuple
 from typing_extensions import Self  # < Py 3.11
 
 class _dvistate(Enum):
-    pre: int
-    outer: int
-    inpage: int
-    post_post: int
-    finale: int
+    pre = ...
+    outer = ...
+    inpage = ...
+    post_post = ...
+    finale = ...
 
 class Page(NamedTuple):
     text: list[Text]

lib/matplotlib/ft2font.pyi

@@ -1,6 +1,6 @@
 from enum import Enum, Flag
 import sys
-from typing import BinaryIO, Literal, TypedDict, final, overload
+from typing import BinaryIO, Literal, TypedDict, final, overload, cast
 from typing_extensions import Buffer  # < Py 3.12
 
 import numpy as np
@@ -10,62 +10,62 @@ __freetype_build_type__: str
 __freetype_version__: str
 
 class FaceFlags(Flag):
-    SCALABLE: int
-    FIXED_SIZES: int
-    FIXED_WIDTH: int
-    SFNT: int
-    HORIZONTAL: int
-    VERTICAL: int
-    KERNING: int
-    FAST_GLYPHS: int
-    MULTIPLE_MASTERS: int
-    GLYPH_NAMES: int
-    EXTERNAL_STREAM: int
-    HINTER: int
-    CID_KEYED: int
-    TRICKY: int
-    COLOR: int
-    # VARIATION: int  # FT 2.9
-    # SVG: int  # FT 2.12
-    # SBIX: int  # FT 2.12
-    # SBIX_OVERLAY: int  # FT 2.12
+    SCALABLE = cast(int, ...)
+    FIXED_SIZES = cast(int, ...)
+    FIXED_WIDTH = cast(int, ...)
+    SFNT = cast(int, ...)
+    HORIZONTAL = cast(int, ...)
+    VERTICAL = cast(int, ...)
+    KERNING = cast(int, ...)
+    FAST_GLYPHS = cast(int, ...)
+    MULTIPLE_MASTERS = cast(int, ...)
+    GLYPH_NAMES = cast(int, ...)
+    EXTERNAL_STREAM = cast(int, ...)
+    HINTER = cast(int, ...)
+    CID_KEYED = cast(int, ...)
+    TRICKY = cast(int, ...)
+    COLOR = cast(int, ...)
+    # VARIATION = cast(int, ...)  # FT 2.9
+    # SVG = cast(int, ...)  # FT 2.12
+    # SBIX = cast(int, ...)  # FT 2.12
+    # SBIX_OVERLAY = cast(int, ...)  # FT 2.12
 
 class Kerning(Enum):
-    DEFAULT: int
-    UNFITTED: int
-    UNSCALED: int
+    DEFAULT = cast(int, ...)
+    UNFITTED = cast(int, ...)
+    UNSCALED = cast(int, ...)
 
 class LoadFlags(Flag):
-    DEFAULT: int
-    NO_SCALE: int
-    NO_HINTING: int
-    RENDER: int
-    NO_BITMAP: int
-    VERTICAL_LAYOUT: int
-    FORCE_AUTOHINT: int
-    CROP_BITMAP: int
-    PEDANTIC: int
-    IGNORE_GLOBAL_ADVANCE_WIDTH: int
-    NO_RECURSE: int
-    IGNORE_TRANSFORM: int
-    MONOCHROME: int
-    LINEAR_DESIGN: int
-    NO_AUTOHINT: int
-    COLOR: int
-    COMPUTE_METRICS: int  # FT 2.6.1
-    # BITMAP_METRICS_ONLY: int  # FT 2.7.1
-    # NO_SVG: int  # FT 2.13.1
+    DEFAULT = cast(int, ...)
+    NO_SCALE = cast(int, ...)
+    NO_HINTING = cast(int, ...)
+    RENDER = cast(int, ...)
+    NO_BITMAP = cast(int, ...)
+    VERTICAL_LAYOUT = cast(int, ...)
+    FORCE_AUTOHINT = cast(int, ...)
+    CROP_BITMAP = cast(int, ...)
+    PEDANTIC = cast(int, ...)
+    IGNORE_GLOBAL_ADVANCE_WIDTH = cast(int, ...)
+    NO_RECURSE = cast(int, ...)
+    IGNORE_TRANSFORM = cast(int, ...)
+    MONOCHROME = cast(int, ...)
+    LINEAR_DESIGN = cast(int, ...)
+    NO_AUTOHINT = cast(int, ...)
+    COLOR = cast(int, ...)
+    COMPUTE_METRICS = cast(int, ...)  # FT 2.6.1
+    # BITMAP_METRICS_ONLY = cast(int, ...)  # FT 2.7.1
+    # NO_SVG = cast(int, ...)  # FT 2.13.1
     # The following should be unique, but the above can be OR'd together.
-    TARGET_NORMAL: int
-    TARGET_LIGHT: int
-    TARGET_MONO: int
-    TARGET_LCD: int
-    TARGET_LCD_V: int
+    TARGET_NORMAL = cast(int, ...)
+    TARGET_LIGHT = cast(int, ...)
+    TARGET_MONO = cast(int, ...)
+    TARGET_LCD = cast(int, ...)
+    TARGET_LCD_V = cast(int, ...)
 
 class StyleFlags(Flag):
-    NORMAL: int
-    ITALIC: int
-    BOLD: int
+    NORMAL = cast(int, ...)
+    ITALIC = cast(int, ...)
+    BOLD = cast(int, ...)
 
 class _SfntHeadDict(TypedDict):
     version: tuple[int, int]