Use qtpy to be compatiable with different Qt versions

docs/requirements.txt

@@ -1,6 +1,7 @@
 numpy
 numpydoc
 PyQt5
+qtpy
 sphinx-rtd-theme
 sphinx-toolbox
 sphinx-qt-documentation

main.py

@@ -1,6 +1,6 @@
 import sys
 
-from PyQt5 import QtWidgets, QtGui, QtCore
+from qtpy import QtWidgets, QtGui, QtCore
 
 from ribbon import RibbonMainWindow
 

requirements.txt

@@ -1,2 +1,3 @@
 numpy
 PyQt5
+qtpy

ribbon/category.py

@@ -1,7 +1,7 @@
 import enum
 import typing
 
-from PyQt5 import QtWidgets, QtCore, QtGui
+from qtpy import QtWidgets, QtGui
 
 from .categorylayoutwidget import RibbonCategoryLayoutWidget
 from .panel import RibbonPanel

ribbon/categorylayoutwidget.py

@@ -1,4 +1,4 @@
-from PyQt5 import QtWidgets, QtCore, QtGui
+from qtpy import QtWidgets, QtCore, QtGui
 
 from ribbon.utils import data_file_path
 
@@ -22,7 +22,7 @@ class RibbonCategoryScrollAreaContents(QtWidgets.QFrame):
 
 class RibbonCategoryLayoutWidget(QtWidgets.QFrame):
     """The category layout widget's category scroll area to arrange the widgets in the category."""
-    displayOptionsButtonClicked = QtCore.pyqtSignal()
+    displayOptionsButtonClicked = QtCore.Signal()
 
     def __init__(self, parent=None):
         """Create a new category layout widget.

ribbon/gallery.py

@@ -1,6 +1,6 @@
 import typing
 
-from PyQt5 import QtWidgets, QtGui, QtCore
+from qtpy import QtWidgets, QtGui, QtCore
 
 from .toolbutton import RibbonToolButton
 from .utils import data_file_path

ribbon/mainwindow.py

@@ -1,4 +1,4 @@
-from PyQt5 import QtWidgets
+from qtpy import QtWidgets
 
 from .ribbonbar import RibbonBar
 

ribbon/panel.py

@@ -2,7 +2,7 @@
 from enum import IntEnum
 
 import numpy as np
-from PyQt5 import QtWidgets, QtGui, QtCore
+from qtpy import QtWidgets, QtGui, QtCore
 
 from .gallery import RibbonGallery
 from .separator import RibbonHorizontalSeparator, RibbonVerticalSeparator
@@ -113,7 +113,7 @@ class RibbonPanel(QtWidgets.QFrame):
     _titleHeight: int = 20
 
     # Panel options signal
-    panelOptionClicked = QtCore.pyqtSignal(bool)
+    panelOptionClicked = QtCore.Signal(bool)
 
     @typing.overload
     def __init__(self, title: str = '', maxRows: int = 6, parent=None):

ribbon/ribbonbar.py

@@ -1,7 +1,7 @@
 import typing
 from enum import IntEnum
 
-from PyQt5 import QtWidgets, QtCore, QtGui
+from qtpy import QtWidgets, QtCore, QtGui
 
 from .category import RibbonCategory, RibbonContextCategory, RibbonNormalCategory, RibbonCategoryStyle, contextColors
 from .separator import RibbonHorizontalSeparator
@@ -17,8 +17,8 @@ class RibbonStyle(IntEnum):
 class RibbonBar(QtWidgets.QFrame):
     """The RibbonBar class is the top level widget that contains the ribbon.
     """
-    #: Signal, The help button was clicked.
-    helpButtonClicked = QtCore.pyqtSignal(bool)
+    #: Signal, the help button was clicked.
+    helpButtonClicked = QtCore.Signal(bool)
 
     #: The categories of the ribbon.
     _categories: typing.List[RibbonCategory] = []

ribbon/separator.py

@@ -1,6 +1,6 @@
 import typing
 
-from PyQt5 import QtCore, QtWidgets, QtGui
+from qtpy import QtCore, QtWidgets, QtGui
 
 
 class RibbonSeparator(QtWidgets.QFrame):

ribbon/tabbar.py

@@ -1,4 +1,4 @@
-from PyQt5 import QtWidgets, QtGui, QtCore
+from qtpy import QtWidgets, QtGui, QtCore
 
 
 class RibbonTabBar(QtWidgets.QTabBar):

ribbon/titlewidget.py

@@ -1,6 +1,6 @@
 import typing
 
-from PyQt5 import QtWidgets, QtCore, QtGui
+from qtpy import QtWidgets, QtCore, QtGui
 
 from .tabbar import RibbonTabBar
 from .utils import data_file_path
@@ -18,9 +18,10 @@ class RibbonTitleLabel(QtWidgets.QLabel):
 
 class RibbonTitleWidget(QtWidgets.QFrame):
     """The title widget of the ribbon."""
-    #: Signal: The help button was clicked.
-    helpButtonClicked = QtCore.pyqtSignal(bool)
-    collapseRibbonButtonClicked = QtCore.pyqtSignal(bool)
+    #: Signal, the help button was clicked.
+    helpButtonClicked = QtCore.Signal(bool)
+    #: Signal, the collapse button wa clicked.
+    collapseRibbonButtonClicked = QtCore.Signal(bool)
 
     #: Buttons
     _quickAccessButtons = []

ribbon/toolbutton.py

@@ -1,7 +1,7 @@
 import typing
 from enum import IntEnum
 
-from PyQt5 import QtWidgets, QtCore
+from qtpy import QtWidgets, QtCore
 
 
 class RibbonButtonStyle(IntEnum):

ribbon/typehints.py

@@ -1,6 +1,6 @@
 import typing
 
-from PyQt5 import QtCore, QtWidgets
+from qtpy import QtCore, QtWidgets
 
 
 class PyQtSignalType: