Use | instead of Union and Optional

src/silx/gui/_glutils/font.py

@@ -31,7 +31,6 @@
 
 
 import logging
-from typing import Union
 import numpy
 
 from .. import qt
@@ -75,7 +74,7 @@ def getDefaultFontFamily() -> str:
 
 def rasterTextQt(
     text: str,
-    font: Union[str, qt.QFont],
+    font: str | qt.QFont,
     size: int = -1,
     weight: int = -1,
     italic: bool = False,
@@ -171,7 +170,7 @@ def rasterTextQt(
 
 def rasterText(
     text: str,
-    font: Union[str, qt.QFont],
+    font: str | qt.QFont,
     size: int = -1,
     weight = -1,
     italic: bool = False,

src/silx/gui/plot/backends/BackendBase.py

@@ -36,7 +36,6 @@
 __date__ = "21/12/2018"
 
 from collections.abc import Callable
-from typing import Optional
 import weakref
 
 from ... import qt
@@ -197,14 +196,14 @@ def addShape(self, x, y, shape, color, fill, overlay,
 
     def addMarker(
         self,
-        x: Optional[float],
-        y: Optional[float],
-        text: Optional[str],
+        x: float | None,
+        y: float | None,
+        text: str | None,
         color: str,
-        symbol: Optional[str],
+        symbol: str | None,
         linestyle: str,
         linewidth: float,
-        constraint: Optional[Callable[[float, float], tuple[float, float]]],
+        constraint: Callable[[float, float], tuple[float, float]] | None,
         yaxis: str,
         font: qt.QFont,
     ) -> object:

src/silx/gui/plot/backends/glutils/GLText.py

@@ -34,7 +34,6 @@
 
 
 from collections import OrderedDict
-from typing import Optional
 import weakref
 
 import numpy
@@ -143,7 +142,7 @@ def __init__(
         x: float = 0.,
         y: float = 0.,
         color: tuple[float, float, float, float] = (0., 0., 0., 1.),
-        bgColor: Optional[tuple[float, float, float, float]] = None,
+        bgColor: tuple[float, float, float, float] | None = None,
         align: str = LEFT,
         valign: str = BASELINE,
         rotate: float = 0.,

src/silx/gui/plot/items/marker.py

@@ -23,14 +23,14 @@
 # ###########################################################################*/
 """This module provides markers item of the :class:`Plot`.
 """
+from __future__ import annotations
 
 __authors__ = ["T. Vincent"]
 __license__ = "MIT"
 __date__ = "06/03/2017"
 
 
 import logging
-from typing import Tuple, Optional
 
 from ....utils.proxy import docstring
 from .core import (Item, DraggableMixIn, ColorMixIn, LineMixIn, SymbolMixIn,
@@ -119,14 +119,14 @@ def setText(self, text):
             self._text = text
             self._updated(ItemChangedType.TEXT)
 
-    def getFont(self) -> Optional[qt.QFont]:
+    def getFont(self) -> qt.QFont | None:
         """Returns a copy of the QFont used to render text.
 
         To modify the text font, use :meth:`setFont`.
         """
         return None if self._font is None else qt.QFont(self._font)
 
-    def setFont(self, font: Optional[qt.QFont]):
+    def setFont(self, font: qt.QFont | None):
         """Set the QFont used to render text, use None for default.
 
         A copy is stored, so further modification of the provided font are not taken into account.
@@ -149,7 +149,7 @@ def getYPosition(self):
         """
         return self._y
 
-    def getPosition(self) -> Tuple[Optional[float], Optional[float]]:
+    def getPosition(self) -> tuple[float | None, float | None]:
         """Returns the (x, y) position of the marker in data coordinates
 
         :rtype: 2-tuple of float or None

src/silx/gui/utils/matplotlib.py

@@ -38,7 +38,6 @@
 
 
 import io
-from typing import Union
 import matplotlib
 import numpy
 
@@ -77,7 +76,7 @@ def qFontToFontProperties(font: qt.QFont):
 
 def rasterMathText(
     text: str,
-    font: Union[str, qt.QFont],
+    font: str | qt.QFont,
     size: int = -1,
     weight: int = -1,
     italic: bool = False,