resolve napari 0.5.0 compatybility

package/PartSeg/_roi_mask/image_view.py

@@ -1,9 +1,14 @@
+from importlib.metadata import version
+
+from packaging.version import parse as parse_version
 from vispy.app import MouseEvent
 
 from PartSeg._roi_mask.stack_settings import StackSettings
 from PartSeg.common_gui.channel_control import ChannelProperty
 from PartSeg.common_gui.napari_image_view import ImageInfo, ImageView, LabelEnum
 
+_napari_ge_0_5_0 = parse_version(version("napari")) >= parse_version("0.5.0a1")
+
 
 class StackImageView(ImageView):
     """
@@ -14,7 +19,10 @@ class StackImageView(ImageView):
 
     def __init__(self, settings: StackSettings, channel_property: ChannelProperty, name: str):
         super().__init__(settings, channel_property, name)
-        self.viewer_widget.canvas.events.mouse_press.connect(self.component_click)
+        if _napari_ge_0_5_0:
+            self.viewer_widget.canvas._scene_canvas.events.mouse_press.connect(self.component_click)
+        else:
+            self.viewer_widget.canvas.events.mouse_press.connect(self.component_click)
 
     def refresh_selected(self):
         if (

package/PartSeg/common_backend/base_settings.py

@@ -17,6 +17,7 @@
 from napari.utils import Colormap
 from napari.utils.theme import get_theme
 from napari.utils.theme import template as napari_template
+from packaging.version import parse as parse_version
 from qtpy.QtCore import QObject, Signal
 from qtpy.QtWidgets import QMessageBox, QWidget
 
@@ -37,6 +38,8 @@
     from napari.settings import NapariSettings
 logger = logging.getLogger(__name__)
 
+_napari_ge_5 = parse_version(napari.__version__) >= parse_version("0.5.0a1")
+
 DIR_HISTORY = "io.dir_location_history"
 FILE_HISTORY = "io.files_open_history"
 MULTIPLE_FILES_OPEN_HISTORY = "io.multiple_files_open_history"
@@ -268,6 +271,8 @@ def theme_name(self) -> str:
     @property
     def theme(self):
         """Theme as structure."""
+        if _napari_ge_5:
+            return get_theme(self.theme_name)
         try:
             return get_theme(self.theme_name, as_dict=False)
         except TypeError:  # pragma: no cover

package/PartSeg/common_gui/error_report.py

@@ -12,12 +12,14 @@
 import traceback
 import typing
 from contextlib import suppress
+from importlib.metadata import version
 
 import numpy as np
 import requests
 import sentry_sdk
 from napari.settings import get_settings
 from napari.utils.theme import get_theme
+from packaging.version import parse as parse_version
 from qtpy.QtGui import QIcon
 from qtpy.QtWidgets import (
     QApplication,
@@ -53,6 +55,7 @@
 _FEEDBACK_URL = "https://sentry.io/api/0/projects/{organization_slug}/{project_slug}/user-feedback/".format(
     organization_slug="cent", project_slug="partseg"
 )
+_napari_ge_5 = parse_version(version("napari")) >= parse_version("0.5.0a1")
 
 
 def _print_traceback(exception, file_):
@@ -82,7 +85,10 @@ def __init__(self, exception: Exception, description: str, additional_notes: str
         self.create_issue_btn = QPushButton("Create issue")
         self.cancel_btn = QPushButton("Cancel")
         self.error_description = QTextEdit()
-        theme = get_theme(get_settings().appearance.theme, as_dict=False)
+        if _napari_ge_5:
+            theme = get_theme(get_settings().appearance.theme).to_rgb_dict()
+        else:
+            theme = get_theme(get_settings().appearance.theme, as_dict=False)
         self._highlight = Pylighter(self.error_description.document(), "python", theme.syntax_style)
         self.traceback_summary = additional_info
         if additional_info is None:

package/PartSeg/common_gui/napari_image_view.py

@@ -42,6 +42,7 @@
     from napari._qt.widgets.qt_viewer_buttons import QtViewerPushButton as QtViewerPushButton_
 _napari_ge_4_13 = parse_version(napari.__version__) >= parse_version("0.4.13a1")
 _napari_ge_4_17 = parse_version(napari.__version__) >= parse_version("0.4.17a1")
+_napari_ge_5 = parse_version(napari.__version__) >= parse_version("0.5.0a1")
 
 
 class QtViewerPushButton(QtViewerPushButton_):
@@ -838,7 +839,7 @@ def _mark_layer(self, num: int, flash: bool, image_info: ImageInfo):
                 component_mark,
                 scale=image_info.roi.scale,
                 blending="translucent",
-                color={0: (0, 0, 0, 0), 1: "white"},
+                colormap={0: (0, 0, 0, 0), 1: "white", None: (0, 0, 0, 0)},
                 opacity=0.7,
             )
             self.viewer.layers.selection.active = active_layer
@@ -965,6 +966,12 @@ def closeEvent(self, event):
         self.close()
         super().closeEvent(event)
 
+    if _napari_ge_5:
+
+        @property
+        def view(self):
+            return self.canvas.view
+
 
 class SearchComponentModal(QtPopup):
     def __init__(self, image_view: ImageView, search_type: SearchType, component_num: int, max_components):

pyproject.toml

@@ -54,7 +54,7 @@ dependencies = [
     "mahotas>=1.4.10",
     "napari>=0.4.14",
     "nme>=0.1.7",
-    "numpy>=1.18.5",
+    "numpy>=1.18.5,<2", # mahotas requires rebuild for numpy 2.
     "oiffile>=2020.1.18",
     "openpyxl>=2.5.7",
     "packaging>=20.0",