Dependency cleanup & new colormap updating

.github/workflows/test_and_deploy.yaml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
 
     steps:
       - uses: actions/checkout@v3

src/napari_feature_classifier/annotator_widget.py

@@ -4,6 +4,7 @@
 from functools import partial
 from pathlib import Path
 from typing import Optional, Sequence, cast
+from napari.utils.colormaps import DirectLabelColormap
 
 # pylint: disable=R0801
 import napari
@@ -313,9 +314,26 @@ def update_single_color(self, label_layer, label):
             )
             / len(self.cmap.colors)
         )
-        self._annotations_layer.color[label] = color
+        colordict = self._annotations_layer.colormap.color_dict
+        colordict[label] = color
+        self._annotations_layer.colormap = DirectLabelColormap(color_dict=colordict)
+
+        # self._annotations_layer.colormap.color_dict[label] = \
+        #     np.array(color, dtype=np.float32)
+        # self._annotations_layer.refresh()
+        # invalidate the cached color mapping
+        # self._annotations_layer._cached_labels = None
+        # self._annotations_layer._selected_color = \
+        #     self._annotations_layer.get_color(
+        #         self._annotations_layer.selected_label
+        # )
+        # self._annotations_layer.events.colormap()
+        # self._annotations_layer.events.selected_label()
+        # self._annotations_layer.refresh()
+        # self._annotations_layer.colormap.update(
+        #     {"color_dict": {label: color, None: [0, 0, 0, 0]}}
+        # )
         self._annotations_layer.opacity = 1.0
-        self._annotations_layer.color_mode = "direct"
 
     def _on_save_clicked(self):
         """

src/napari_feature_classifier/utils.py

@@ -8,6 +8,7 @@
 import pandas as pd
 from napari.utils.notifications import show_info
 from matplotlib.colors import ListedColormap
+from napari.utils.colormaps import DirectLabelColormap
 import matplotlib
 import numpy as np
 import napari
@@ -80,9 +81,9 @@ def reset_display_colormaps(
     """
     colors = cmap(label_layer.features[feature_col].astype(float) / len(cmap.colors))
     colordict = dict(zip(label_layer.features[label_column], colors))
-    display_layer.color = colordict
+    colordict[None] = [0, 0, 0, 0]
+    display_layer.colormap = DirectLabelColormap(color_dict=colordict)
     display_layer.opacity = 1.0
-    display_layer.color_mode = "direct"
 
 
 #     # Check if it runs in napari
@@ -133,7 +134,6 @@ def emit(self, record):
         log_entry = self.format(record)
         napari_info(log_entry)
 
-
 def get_valid_label_layers(viewer) -> list[str]:
     """
     Get a list of label layers that are not `Annotations` or `Predictions`.

tox.ini

@@ -1,13 +1,13 @@
 # For more information about tox, see https://tox.readthedocs.io/en/latest/
 [tox]
-envlist = py{38,39,310}-{linux,macos,windows}
+envlist = py{39,310,311}-{linux,macos,windows}
 isolated_build=true
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
 
 [gh-actions:env]
 PLATFORM =