remove explicit calls to PyQt5 (#356)

We are on the verge of moving from Qt5 to Qt6

As part of this effort, we need to remove all the explicit calls to
PyQt5 and use the qtpy wrapper, which adapts to the underlying Qt
environment

Author: mariostieriansys

pyproject.toml

@@ -47,6 +47,7 @@ dependencies = [
     "scipy<=1.15.3",  # breaks ADR if not included. Remove when statsmodels is updated
     "docutils>=0.21",
     "psycopg[binary]>=3.2.3",
+    "qtpy>=2.4.3"
 ]
 
 [tool.setuptools.packages.find]

src/ansys/dynamicreporting/core/utils/report_download_pdf.py

@@ -2,11 +2,11 @@
 import os
 
 try:
-    from PyQt5 import QtCore, QtGui, QtWebEngineWidgets
+    from qtpy import QtCore, QtGui, QtWebEngineWidgets
 
     # Classes for saving PDF representation
     # pagedef = {width}X{height}X{0=port|1=land}X{left}X{right}X{top}X{bottom} all in mm
-    from PyQt5.QtCore import QTimer
+    from qtpy.QtCore import QTimer
 
     has_qt = True
 except Exception:

src/ansys/dynamicreporting/core/utils/report_objects.py

@@ -22,7 +22,7 @@
 from .encoders import PayloaddataEncoder
 
 try:
-    from PyQt5 import QtCore, QtGui
+    from qtpy import QtCore, QtGui
 
     has_qt = True
 except ImportError:

src/ansys/dynamicreporting/core/utils/report_remote_server.py

@@ -3,7 +3,7 @@
 from requests import JSONDecodeError
 
 try:
-    from PyQt5 import QtCore, QtGui, QtWidgets
+    from qtpy import QtCore, QtGui, QtWidgets
 
     has_qt = True
 except ImportError: