CheckList: Switch to QThread and add dummy checker.

src/Checker/Study.py

@@ -34,3 +34,41 @@ class StudyNetworkReachChecker(AbstractModelChecker):
         self._summary = "ok"
         self._status = STATUS.OK
         return True
+
+
+class DummyOK(AbstractModelChecker):
+    def __init__(self):
+        super(DummyOK, self).__init__()
+
+        self._name = _translate("Checker", "Dummy ok")
+        self._description = _translate("Checker", "Dummy ok")
+
+    def run(self, study):
+        self._summary = "ok"
+        self._status = STATUS.OK
+        return True
+
+
+class DummyWARNING(AbstractModelChecker):
+    def __init__(self):
+        super(DummyWARNING, self).__init__()
+
+        self._name = _translate("Checker", "Dummy warning")
+        self._description = _translate("Checker", "Dummy warning")
+
+    def run(self, study):
+        self._summary = "Warning detected"
+        self._status = STATUS.WARNING
+        return True
+
+class DummyERROR(AbstractModelChecker):
+    def __init__(self):
+        super(DummyERROR, self).__init__()
+
+        self._name = _translate("Checker", "Dummy error")
+        self._description = _translate("Checker", "Dummy error")
+
+    def run(self, study):
+        self._summary = "Error detected"
+        self._status = STATUS.ERROR
+        return True

src/Model/Study.py

@@ -36,6 +36,9 @@ class Study(Serializable):
     def checkers(cls):
         lst = [
             StudyNetworkReachChecker(),
+            DummyOK(),
+            DummyWARNING(),
+            DummyERROR(),
         ]
 
         return lst

src/View/CheckList/Window.py

@@ -1,8 +1,5 @@
 # -*- coding: utf-8 -*-
 
-import time
-import threading
-
 from tools import trace, timer
 
 from View.ASubWindow import ASubMainWindow
@@ -14,8 +11,8 @@ from PyQt5.QtGui import (
 
 from PyQt5.QtCore import (
     Qt, QVariant, QAbstractTableModel,
-    QCoreApplication, QModelIndex, pyqtSlot,
-    QRect,
+    QCoreApplication, QModelIndex, QRect, QThread,
+    pyqtSlot, pyqtSignal,
 )
 
 from PyQt5.QtWidgets import (
@@ -23,22 +20,18 @@ from PyQt5.QtWidgets import (
     QFileDialog, QTableView, QAbstractItemView,
     QUndoStack, QShortcut, QAction, QItemDelegate,
     QComboBox, QVBoxLayout, QHeaderView, QTabWidget,
-    QProgressBar,
+    QProgressBar, QLabel,
 )
 
 from View.CheckList.Table import TableModel
+from View.CheckList.Worker import Worker
 
 _translate = QCoreApplication.translate
 
-def _run_checker_list(study, checker_list, parent):
-    parent.start_compute()
-    for checker in checker_list:
-        time.sleep(1)
-        checker.run(study)
-        parent.progress()
-    parent.end_compute()
-
 class CheckListWindow(ASubMainWindow, ListedSubWindow):
+
+    signalStatus = pyqtSignal(str)
+
     def __init__(self, title="Check list",
                  study=None, config=None,
                  solver=None, parent=None):
@@ -61,6 +54,7 @@ class CheckListWindow(ASubMainWindow, ListedSubWindow):
         self.setup_progress_bar()
         self.setup_connections()
         self.setup_thread()
+        self.setup_statusbar()
 
     def setup_table(self):
         table = self.find(QTableView, f"tableView")
@@ -87,45 +81,87 @@ class CheckListWindow(ASubMainWindow, ListedSubWindow):
         self.find(QPushButton, "pushButton_cancel").clicked.connect(self.reject)
 
     def setup_thread(self):
-        self._t1 = threading.Thread(
-            target=_run_checker_list,
-            args=(self._study, self._checker_list, self,)
-        )
-        self._t1.start()
+        self._worker = Worker(self._study, self._checker_list)
+        self._worker_thread = QThread()
+        self._worker.moveToThread(self._worker_thread)
+
+        # Connect any worker signals
+        self._worker.signalStatus.connect(self.update)
+        self._worker_thread.started.connect(self._worker.process)
+
+        self._worker_thread.start()
+
+    def retry(self):
+        self._worker_thread.terminate()
+        self._worker_thread.wait()
+
+        self.find(QPushButton, "pushButton_retry").setEnabled(False)
+        self.find(QPushButton, "pushButton_ok").setEnabled(False)
+
+        self.setup_thread()
+
+    def _compute_status(self):
+        ok = len(list(filter(lambda c: c.is_ok(), self._checker_list)))
+        warning = len(list(filter(lambda c: c.is_warning(), self._checker_list)))
+        error = len(list(filter(lambda c: c.is_error(), self._checker_list)))
+
+        return ok, warning, error
+
+    def _compute_status_label(self):
+        ok, warning, error = self._compute_status()
+        return (f"<font color=\"Green\">Ok: {ok} </font> |" +
+                f"<font color=\"Yellow\">Warning: {warning} </font> |" +
+                f"<font color=\"Red\">Error: {error}</font>")
+
+    def setup_statusbar(self):
+        txt = self._compute_status_label()
+        self._status_label = QLabel(txt)
+        self.statusbar.addPermanentWidget(self._status_label)
+
+    def update_statusbar(self):
+        txt = self._compute_status_label()
+        self._status_label.setText(txt)
 
     def progress(self):
         self._p += 1
         self._progress.setValue(self._p)
-        # self._table.update()
+        self._table.update()
 
     def start_compute(self):
         self._p = 0
         self._progress.setValue(self._p)
 
+    def info_compute(self, str):
+        self.statusbar.showMessage(str, 3000)
+
     def end_compute(self):
         self._table.layoutChanged.emit()
         self.find(QPushButton, "pushButton_retry").setEnabled(True)
 
-        errors = list(filter(lambda c: c.is_error(), self._checker_list))
-        if len(errors) == 0:
+        errors = any(filter(lambda c: c.is_error(), self._checker_list))
+        if errors:
             self.find(QPushButton, "pushButton_ok").setEnabled(True)
 
+        self.update_statusbar()
+
+    def update(self, key:str):
+        if key == "start":
+            self.start_compute()
+            self.info_compute("Starting ...")
+        elif key == "end":
+            self.info_compute("Finish")
+            self.end_compute()
+        elif key == "progress":
+            self.progress()
+        else:
+            self.info_compute(key)
+
+        self.update_statusbar()
+
     def end(self):
-        # self._t1.join()
+        # self._worker.join()b
         self.close()
 
-    def retry(self):
-        self._t1.join()
-        self._t1 = threading.Thread(
-            target=_run_checker_list,
-            args=(self._study, self._checker_list, self,)
-        )
-
-        self.find(QPushButton, "pushButton_retry").setEnabled(False)
-        self.find(QPushButton, "pushButton_ok").setEnabled(False)
-
-        self._t1.start()
-
     def reject(self):
         print("cancel")
         self.end()

src/View/CheckList/Worker.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+
+import time
+
+from PyQt5.QtCore import (
+    Qt, QObject, pyqtSlot, pyqtSignal
+)
+
+class Worker(QObject):
+    signalStatus = pyqtSignal(str)
+
+    def __init__(self, study, checker_list, parent=None):
+        super(self.__class__, self).__init__(parent)
+
+        self._study = study
+        self._checker_list = checker_list
+
+    def process(self):
+        self.signalStatus.emit('start')
+        self._compute()
+        self.signalStatus.emit('end')
+
+    def _compute(self):
+        for checker in self._checker_list:
+            self.signalStatus.emit(checker.name)
+
+            time.sleep(1)
+            checker.run(self._study)
+
+            self.signalStatus.emit("progress")