CI: Test with PyQt6

Author: ales-erjavec

.github/workflows/test.yml

@@ -49,6 +49,11 @@ jobs:
             python-version: 3.7
             tox_env: orange-oldest
             name: Oldest dependencies
+          - os: ubuntu-20.04
+            python-version: 3.9
+            tox_env: pyqt6
+            name: PyQt6
+
 
     services:
       postgres:
@@ -120,6 +125,14 @@ jobs:
             python-version: 3.8
             tox_env: orange-latest
             name: Latest
+          - os: windows-latest
+            python-version: 3.9
+            tox_env: pyqt6
+            name: PyQt6
+          - os: macos-10.15
+            python-version: 3.9
+            tox_env: pyqt6
+            name: PyQt6
 
     steps:
       - uses: actions/checkout@v2

requirements-gui.txt

@@ -1,7 +1,7 @@
-orange-canvas-core>=0.1.24,<0.2a
+orange-canvas-core>=0.1.26,<0.2a
 orange-widget-base>=4.17.0
 
-AnyQt>=0.0.14
+AnyQt>=0.1.0
 
 # ignore pyqtgraph 0.12.4 due to https://github.com/pyqtgraph/pyqtgraph/issues/2237
 pyqtgraph>=0.12.2,!=0.12.4

tox.ini

@@ -40,9 +40,9 @@ deps =
     latest: https://github.com/pyqtgraph/pyqtgraph/archive/refs/heads/master.zip#egg=pyqtgraph
     latest: https://github.com/biolab/orange-canvas-core/archive/refs/heads/master.zip#egg=orange-canvas-core
     latest: https://github.com/biolab/orange-widget-base/archive/refs/heads/master.zip#egg=orange-widget-base
-    oldest: orange-canvas-core==0.1.24
-    oldest: orange-widget-base==4.16.1
-    oldest: AnyQt==0.0.13
+    oldest: orange-canvas-core==0.1.26
+    oldest: orange-widget-base==4.17.0
+    oldest: AnyQt==0.1.0
     oldest: pyqtgraph==0.11.1
     oldest: matplotlib==2.2.5
     oldest: qtconsole==4.7.2
@@ -80,6 +80,21 @@ commands =
     coverage combine
     coverage report
 
+[testenv:pyqt6]
+changedir =
+    {envsitepackagesdir}
+setenv =
+    QT_API=PyQt6
+    ANYQT_HOOK_DENY=pyqt5
+deps =
+    PyQt6==6.2.*
+    PyQt6-Qt6==6.2.*
+    PyQt6-WebEngine==6.2.*
+    PyQt6-WebEngine-Qt6==6.2.*
+
+commands =
+    python -m unittest Orange.widgets.tests
+
 [testenv:add-ons]
 deps =
     {[testenv]deps}