(Base)PlotOptions: + method "copy" to ease update

Author: PierreRaybaut

plotpy/plot/base.py

@@ -15,13 +15,13 @@
 
 from __future__ import annotations
 
+import dataclasses
 import pickle
 import sys
 import warnings
 import weakref
-from dataclasses import dataclass
 from math import fabs
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 
 import numpy as np
 import qwt
@@ -64,7 +64,7 @@
     import guidata.dataset.io
 
 
-@dataclass
+@dataclasses.dataclass
 class BasePlotOptions:
     """Base plot options
 
@@ -124,6 +124,17 @@ def __post_init__(self) -> None:
                 RuntimeWarning,
             )
 
+    def copy(self, other_options: dict[str, Any]) -> BasePlotOptions:
+        """Copy the options and replace some of them with the given dictionary
+
+        Args:
+            other_options: The dictionary
+
+        Returns:
+            BasePlotOptions: The new options
+        """
+        return dataclasses.replace(self, **other_options)
+
 
 class BasePlot(qwt.QwtPlot):
     """Enhanced QwtPlot class providing methods for handling items and axes better