bugfixes (#191)

added basic syntax check; closes #148 Co-authored-by: Dominik Demuth <dominik.demuth@physik.tu-darmstadt.de> Reviewed-on: IPKM/nmreval#191
2023-12-28 14:30:33 +00:00 · 2023-12-28 14:30:33 +00:00 · 694d47267d
commit 694d47267d
parent 2cf94af2c4
7 changed files with 73 additions and 65 deletions
--- a/src/gui_qt/_py/fitcreationdialog.py
+++ b/src/gui_qt/_py/fitcreationdialog.py
@ -2,7 +2,7 @@

 # Form implementation generated from reading ui file 'resources/_ui/fitcreationdialog.ui'
 #
-# Created by: PyQt5 UI code generator 5.15.4
+# Created by: PyQt5 UI code generator 5.15.10
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic5 is
 # run again.  Do not edit this file unless you know what you are doing.
@ -51,9 +51,8 @@ class Ui_Dialog(object):
        self.verticalLayout_6 = QtWidgets.QVBoxLayout(self.namespace_box)
        self.verticalLayout_6.setObjectName("verticalLayout_6")
        self.tabWidget.addTab(self.namespace_box, "")
-        self.plainTextEdit = CodeEditor(self.splitter)
-        self.plainTextEdit.setEnabled(True)
-        self.plainTextEdit.setObjectName("plainTextEdit")
+        self.editor = EditorWidget(self.splitter)
+        self.editor.setObjectName("editor")
        self.verticalLayout.addWidget(self.splitter)
        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
@ -63,8 +62,8 @@ class Ui_Dialog(object):

        self.retranslateUi(Dialog)
        self.tabWidget.setCurrentIndex(0)
-        self.buttonBox.accepted.connect(Dialog.accept)
-        self.buttonBox.rejected.connect(Dialog.reject)
+        self.buttonBox.accepted.connect(Dialog.accept) # type: ignore
+        self.buttonBox.rejected.connect(Dialog.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(Dialog)

    def retranslateUi(self, Dialog):
@ -74,4 +73,4 @@ class Ui_Dialog(object):
        self.tabWidget.setTabText(self.tabWidget.indexOf(self.args_box), _translate("Dialog", "Variables"))
        self.tabWidget.setTabText(self.tabWidget.indexOf(self.kwargs_box), _translate("Dialog", "Multiple choice"))
        self.tabWidget.setTabText(self.tabWidget.indexOf(self.namespace_box), _translate("Dialog", "Available Functions"))
-from ..lib.codeeditor import CodeEditor
+from ..lib.codeeditor import EditorWidget
--- a/src/gui_qt/_py/usermodeleditor.py
+++ b/src/gui_qt/_py/usermodeleditor.py
@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'resources/_ui/usermodeleditor.ui'
 #
-# Created by: PyQt5 UI code generator 5.12.3
+# Created by: PyQt5 UI code generator 5.15.10
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@ -20,15 +21,12 @@ class Ui_MainWindow(object):
        self.verticalLayout.setContentsMargins(3, 3, 3, 3)
        self.verticalLayout.setSpacing(3)
        self.verticalLayout.setObjectName("verticalLayout")
-        self.edit_field = CodeEditor(self.centralwidget)
-        font = QtGui.QFont()
-        font.setPointSize(10)
-        self.edit_field.setFont(font)
-        self.edit_field.setObjectName("edit_field")
-        self.verticalLayout.addWidget(self.edit_field)
+        self.widget = EditorWidget(self.centralwidget)
+        self.widget.setObjectName("widget")
+        self.verticalLayout.addWidget(self.widget)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
-        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 30))
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 20))
        self.menubar.setObjectName("menubar")
        self.menuFile = QtWidgets.QMenu(self.menubar)
        self.menuFile.setObjectName("menuFile")
@ -61,4 +59,4 @@ class Ui_MainWindow(object):
        self.actionSave.setText(_translate("MainWindow", "Save"))
        self.actionSave_as.setText(_translate("MainWindow", "Save as..."))
        self.actionClose.setText(_translate("MainWindow", "Close"))
-from ..lib.codeeditor import CodeEditor
+from ..lib.codeeditor import EditorWidget
--- a/src/gui_qt/fit/function_creation_dialog.py
+++ b/src/gui_qt/fit/function_creation_dialog.py
@ -54,7 +54,7 @@ class QUserFitCreator(QtWidgets.QDialog, Ui_Dialog):
        return self

    def update_function(self):
-        prev_text = self.plainTextEdit.toPlainText().split('\n')
+        prev_text = self.editor.toPlainText().split('\n')
        func_body = ''
        in_body = False
        for line in prev_text:
@ -89,9 +89,12 @@ class QUserFitCreator(QtWidgets.QDialog, Ui_Dialog):
            else:
                k += f'    def func(x):\n'

+            if func_body:
                k += func_body
+            else:
+                k += '        return x'

-            self.plainTextEdit.setPlainText(k)
+            self.editor.setPlainText(k)
        except Exception as e:
            QtWidgets.QMessageBox.warning(self, 'Failure', f'Error found: {e.args[0]}')

@ -215,7 +218,7 @@ class KwargsWidget(QtWidgets.QWidget):
        for i in range(self.choices.count()):
            kwargs.append(self.choices.widget(i).get_strings())
        if kwargs:
-            return f"    choices = {', '.join(kwargs)}\n"
+            return f"    choices = [{', '.join(kwargs)}]\n"
        else:
            return ''

@ -475,12 +478,3 @@ class DescWidget(QtWidgets.QWidget):
                  f"    equation = r'{self.eq_lineedit.text()}'\n"

        return stringi
-
-
-if __name__ == '__main__':
-    import sys
-    app = QtWidgets.QApplication([])
-    win = QUserFitCreator()
-    win.show()
-
-    sys.exit(app.exec())
--- a/src/gui_qt/lib/codeeditor.py
+++ b/src/gui_qt/lib/codeeditor.py
@ -72,7 +72,8 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
            (r'\bdef\b\s*(\w+)', 1, STYLES['defclass']),
            # 'class' followed by an identifier
            (r'\bclass\b\s*(\w+)', 1, STYLES['defclass']),
-            # @ followed by a word
+
+            # decorator @ followed by a word
            (r'\s*@(\w+)\s*', 0, STYLES['property']),

            # Numeric literals
@ -80,7 +81,6 @@ class PythonHighlighter(QtGui.QSyntaxHighlighter):
            (r'\b[+-]?0[xX][\dA-Fa-f]+[lL]?\b', 0, STYLES['numbers']),
            (r'\b[+-]?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?\b', 0, STYLES['numbers']),

-
            # Double-quoted string, possibly containing escape sequences
            (r'[rf]?"[^"\\]*(\\.[^"\\]*)*"', 0, STYLES['string']),
            # Single-quoted string, possibly containing escape sequences
@ -185,7 +185,6 @@ class CodeEditor(QtWidgets.QPlainTextEdit):
        self.update_width_linenumber(0)

        self.highlight = PythonHighlighter(self.document())
-        self.textChanged.connect(self._check_syntax)

    def keyPressEvent(self, evt):
        if evt.key() == QtCore.Qt.Key_Tab:
@ -263,22 +262,48 @@ class CodeEditor(QtWidgets.QPlainTextEdit):

        self.setExtraSelections(extra_selections)

-    def color_line(self, color):
-        # is_valid, exception = self._check_syntax()
-        # if is_valid == 1:
-        doc = self.document()
-        print(doc.findBlockByLineNumber(color))
+
+class EditorWidget(QtWidgets.QWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
+
+        layout = QtWidgets.QVBoxLayout()
+        layout.setContentsMargins(0, 0, 0, 0)
+
+        self.editor = CodeEditor(self)
+        layout.addWidget(self.editor)
+
+        self.error_label = QtWidgets.QLabel(self)
+
+        font = QtGui.QFont()
+        font.setBold(True)
+        font.setWeight(75)
+        self.error_label.setFont(font)
+
+        self.error_label.setVisible(False)
+
+        layout.addWidget(self.error_label)
+
+        self.setLayout(layout)
+
+        for attr in ['appendPlainText', 'toPlainText', 'insertPlainText', 'setPlainText']:
+            setattr(self, attr, getattr(self.editor, attr))
+
+        self.editor.textChanged.connect(self._check_syntax)

    def _check_syntax(self) -> (int, tuple[typing.Any]):
+        is_valid = True
+
        # Compile into an AST and check for syntax errors.
        try:
            _ = parse(self.toPlainText(), filename='<string>')
-        except SyntaxError as e:
-            print('SyntaxError', e, e.args[0], e.lineno, e.offset, e.text)
-            self.color_line(e.lineno)
-            return 1, (e.lineno, e.offset)
-        except Exception as e:
-            print('Unexpected error', e)
-            return 2, (e.args[0],)

-        return 0, tuple()
+        except SyntaxError as e:
+            self.error_label.setText(f'Syntax error in line {e.lineno}: {e.args[0]}')
+            is_valid = False
+
+        except Exception as e:
+            self.error_label.setText(f'Unexpected error: {e.args[0]}')
+            is_valid = False
+
+        self.error_label.setVisible(not is_valid)
--- a/src/gui_qt/lib/usermodeleditor.py
+++ b/src/gui_qt/lib/usermodeleditor.py
@ -3,7 +3,7 @@ from __future__ import annotations
 from pathlib import Path

 from ..Qt import QtWidgets, QtCore, QtGui
-from ..lib.codeeditor import CodeEditor
+from ..lib.codeeditor import EditorWidget


 class QUsermodelEditor(QtWidgets.QMainWindow):
@ -26,7 +26,7 @@ class QUsermodelEditor(QtWidgets.QMainWindow):
        layout.setContentsMargins(3, 3, 3, 3)
        layout.setSpacing(3)

-        self.edit_field = CodeEditor(self.centralwidget)
+        self.edit_field = EditorWidget(self.centralwidget)
        font = QtGui.QFont('default')
        font.setStyleHint(font.Monospace)
        font.setPointSize(10)
--- a/src/resources/_ui/fitcreationdialog.ui
+++ b/src/resources/_ui/fitcreationdialog.ui
@ -86,11 +86,7 @@
       <layout class="QVBoxLayout" name="verticalLayout_6"/>
      </widget>
     </widget>
-     <widget class="CodeEditor" name="plainTextEdit">
-      <property name="enabled">
-       <bool>true</bool>
-      </property>
-     </widget>
+     <widget class="EditorWidget" name="editor" native="true"/>
    </widget>
   </item>
   <item>
@ -107,9 +103,10 @@
 </widget>
 <customwidgets>
  <customwidget>
-   <class>CodeEditor</class>
-   <extends>QPlainTextEdit</extends>
+   <class>EditorWidget</class>
+   <extends>QWidget</extends>
   <header>..lib.codeeditor</header>
+   <container>1</container>
  </customwidget>
 </customwidgets>
 <resources/>
--- a/src/resources/_ui/usermodeleditor.ui
+++ b/src/resources/_ui/usermodeleditor.ui
@ -31,13 +31,7 @@
     <number>3</number>
    </property>
    <item>
-     <widget class="CodeEditor" name="edit_field">
-      <property name="font">
-       <font>
-        <pointsize>10</pointsize>
-       </font>
-      </property>
-     </widget>
+     <widget class="EditorWidget" name="widget" native="true"/>
    </item>
   </layout>
  </widget>
@ -47,7 +41,7 @@
     <x>0</x>
     <y>0</y>
     <width>800</width>
-     <height>30</height>
+     <height>20</height>
    </rect>
   </property>
   <widget class="QMenu" name="menuFile">
@ -85,9 +79,10 @@
 </widget>
 <customwidgets>
  <customwidget>
-   <class>CodeEditor</class>
-   <extends>QPlainTextEdit</extends>
+   <class>EditorWidget</class>
+   <extends>QWidget</extends>
   <header>..lib.codeeditor</header>
+   <container>1</container>
  </customwidget>
 </customwidgets>
 <resources/>