Replace pyqt with PySide2 (#2)

Author: RJMW

beams/__main__.py

@@ -137,7 +137,7 @@ def main():
     parser_amf.add_argument('-d', '--db', type=str, required=True,
                             help="Sqlite database to write results.")
 
-    parser_amf.add_argument('-c', '--db-mf', type=str, required=True, default="http://multiomics-int.cs.bham.ac.uk",
+    parser_amf.add_argument('-c', '--db-mf', type=str, required=True, default="http://mfdb.bham.ac.uk",
                             help="Molecular formulae database (reference).")
 
     parser_amf.add_argument('-a', '--adducts-library', type=str, default=None, required=False,
@@ -333,10 +333,10 @@ def main():
                          column_ppm_error="ppm_error", column_adducts="adduct")
 
     if args.step == "start-gui":
-        from PyQt5 import QtWidgets
+        from PySide2 import QtWidgets
         from beams.gui import BeamsApp
         app = QtWidgets.QApplication(sys.argv)
-        app.setStyle(QtWidgets.QStyleFactory.create("fusion"))
+        app.setStyle("Fusion")
         form = BeamsApp()
         form.show()
         sys.exit(app.exec_())

beams/gui.py

@@ -8,15 +8,16 @@
 from beams import grouping
 from beams import annotation
 from beams import plots
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 from beams.qt import form
+
 from collections import OrderedDict
 from multiprocessing import cpu_count
 
 
 class BeamsApp(QtWidgets.QMainWindow, form.Ui_MainWindow):
-    def __init__(self, parent=None):
-        super(BeamsApp, self).__init__(parent)
+    def __init__(self, *args, **kwargs):
+        super(BeamsApp, self).__init__(*args, **kwargs)
         self.setupUi(self)
 
         self.pushButton_cancel.clicked.connect(QtCore.QCoreApplication.instance().quit)
@@ -420,7 +421,7 @@ def run(self):
                 rules = None
                 max_mz = None
             else:
-                db_in = "http://multiomics-int.cs.bham.ac.uk"
+                db_in = "http://mfdb.bham.ac.uk"
                 rules = self.checkBox_heuristic_rules.isChecked()
                 max_mz = self.spinBox_max_mz.value()
 

beams/plots.py

@@ -8,7 +8,7 @@
     gui_env = ['TkAgg', 'GTKAgg', 'Qt5Agg', 'WXAgg']
 elif sys.platform == "darwin":
     try:
-        import PyQt5
+        import PySide2
         gui_env = ['Qt5Agg']
     except ImportError:
         gui_env = ['TkAgg', 'GTKAgg', 'Qt5Agg', 'WXAgg']