src/eric7/Plugins/VcsPlugins/vcsGit/GitReflogBrowserDialog.py

branch
eric7
changeset 9221
bf71ee032bb4
parent 9209
b99e7fd55fd3
child 9413
80c06d472826
--- a/src/eric7/Plugins/VcsPlugins/vcsGit/GitReflogBrowserDialog.py	Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/Plugins/VcsPlugins/vcsGit/GitReflogBrowserDialog.py	Wed Jul 13 14:55:47 2022 +0200
@@ -11,8 +11,12 @@
 
 from PyQt6.QtCore import pyqtSlot, Qt, QProcess, QTimer, QPoint
 from PyQt6.QtWidgets import (
-    QWidget, QDialogButtonBox, QHeaderView, QTreeWidgetItem, QApplication,
-    QLineEdit
+    QWidget,
+    QDialogButtonBox,
+    QHeaderView,
+    QTreeWidgetItem,
+    QApplication,
+    QLineEdit,
 )
 
 from EricWidgets import EricMessageBox
@@ -28,85 +32,84 @@
     """
     Class implementing a dialog to browse the reflog history.
     """
+
     CommitIdColumn = 0
     SelectorColumn = 1
     NameColumn = 2
     OperationColumn = 3
     SubjectColumn = 4
-    
+
     def __init__(self, vcs, parent=None):
         """
         Constructor
-        
+
         @param vcs reference to the vcs object
         @param parent reference to the parent widget (QWidget)
         """
         super().__init__(parent)
         self.setupUi(self)
-        
+
         self.__position = QPoint()
-        
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Close).setEnabled(False)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Cancel).setDefault(True)
-        
+
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setDefault(True)
+
         self.logTree.headerItem().setText(self.logTree.columnCount(), "")
-        
+
         self.refreshButton = self.buttonBox.addButton(
-            self.tr("&Refresh"), QDialogButtonBox.ButtonRole.ActionRole)
-        self.refreshButton.setToolTip(
-            self.tr("Press to refresh the list of commits"))
+            self.tr("&Refresh"), QDialogButtonBox.ButtonRole.ActionRole
+        )
+        self.refreshButton.setToolTip(self.tr("Press to refresh the list of commits"))
         self.refreshButton.setEnabled(False)
-        
+
         self.vcs = vcs
-        
+
         self.__formatTemplate = (
-            'format:recordstart%n'
-            'commit|%h%n'
-            'selector|%gd%n'
-            'name|%gn%n'
-            'subject|%gs%n'
-            'recordend%n'
+            "format:recordstart%n"
+            "commit|%h%n"
+            "selector|%gd%n"
+            "name|%gn%n"
+            "subject|%gs%n"
+            "recordend%n"
         )
-        
+
         self.repodir = ""
         self.__currentCommitId = ""
-        
+
         self.__initData()
         self.__resetUI()
-        
+
         self.__process = EricOverrideCursorProcess()
         self.__process.finished.connect(self.__procFinished)
         self.__process.readyReadStandardOutput.connect(self.__readStdout)
         self.__process.readyReadStandardError.connect(self.__readStderr)
-    
+
     def __initData(self):
         """
         Private method to (re-)initialize some data.
         """
-        self.buf = []        # buffer for stdout
+        self.buf = []  # buffer for stdout
         self.__started = False
         self.__skipEntries = 0
-    
+
     def closeEvent(self, e):
         """
         Protected slot implementing a close event handler.
-        
+
         @param e close event (QCloseEvent)
         """
         if (
-            self.__process is not None and
-            self.__process.state() != QProcess.ProcessState.NotRunning
+            self.__process is not None
+            and self.__process.state() != QProcess.ProcessState.NotRunning
         ):
             self.__process.terminate()
             QTimer.singleShot(2000, self.__process.kill)
             self.__process.waitForFinished(3000)
-        
+
         self.__position = self.pos()
-        
+
         e.accept()
-    
+
     def show(self):
         """
         Public slot to show the dialog.
@@ -114,30 +117,28 @@
         if not self.__position.isNull():
             self.move(self.__position)
         self.__resetUI()
-        
+
         super().show()
-    
+
     def __resetUI(self):
         """
         Private method to reset the user interface.
         """
-        self.limitSpinBox.setValue(self.vcs.getPlugin().getPreferences(
-            "LogLimit"))
-        
+        self.limitSpinBox.setValue(self.vcs.getPlugin().getPreferences("LogLimit"))
+
         self.logTree.clear()
-    
+
     def __resizeColumnsLog(self):
         """
         Private method to resize the log tree columns.
         """
-        self.logTree.header().resizeSections(
-            QHeaderView.ResizeMode.ResizeToContents)
+        self.logTree.header().resizeSections(QHeaderView.ResizeMode.ResizeToContents)
         self.logTree.header().setStretchLastSection(True)
-    
+
     def __generateReflogItem(self, commitId, selector, name, subject):
         """
         Private method to generate a reflog tree entry.
-        
+
         @param commitId commit id info (string)
         @param selector selector info (string)
         @param name name info (string)
@@ -154,120 +155,116 @@
         ]
         itm = QTreeWidgetItem(self.logTree, columnLabels)
         return itm
-    
+
     def __getReflogEntries(self, skip=0):
         """
         Private method to retrieve reflog entries from the repository.
-        
+
         @param skip number of reflog entries to skip (integer)
         """
         self.refreshButton.setEnabled(False)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Close).setEnabled(False)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Cancel).setEnabled(True)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Cancel).setDefault(True)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setDefault(True)
         QApplication.processEvents()
-        
+
         self.buf = []
         self.cancelled = False
         self.errors.clear()
         self.intercept = False
-        
+
         args = self.vcs.initCommand("log")
         args.append("--walk-reflogs")
-        args.append('--max-count={0}'.format(self.limitSpinBox.value()))
-        args.append('--abbrev={0}'.format(
-            self.vcs.getPlugin().getPreferences("CommitIdLength")))
-        args.append('--format={0}'.format(self.__formatTemplate))
-        args.append('--skip={0}'.format(skip))
-        
+        args.append("--max-count={0}".format(self.limitSpinBox.value()))
+        args.append(
+            "--abbrev={0}".format(self.vcs.getPlugin().getPreferences("CommitIdLength"))
+        )
+        args.append("--format={0}".format(self.__formatTemplate))
+        args.append("--skip={0}".format(skip))
+
         self.__process.kill()
-        
+
         self.__process.setWorkingDirectory(self.repodir)
-        
+
         self.inputGroup.setEnabled(True)
         self.inputGroup.show()
-        
-        self.__process.start('git', args)
+
+        self.__process.start("git", args)
         procStarted = self.__process.waitForStarted(5000)
         if not procStarted:
             self.inputGroup.setEnabled(False)
             self.inputGroup.hide()
             EricMessageBox.critical(
                 self,
-                self.tr('Process Generation Error'),
+                self.tr("Process Generation Error"),
                 self.tr(
-                    'The process {0} could not be started. '
-                    'Ensure, that it is in the search path.'
-                ).format('git'))
-    
+                    "The process {0} could not be started. "
+                    "Ensure, that it is in the search path."
+                ).format("git"),
+            )
+
     def start(self, projectdir):
         """
         Public slot to start the git log command.
-        
+
         @param projectdir directory name of the project (string)
         """
         self.errorGroup.hide()
         QApplication.processEvents()
-        
+
         self.__initData()
-        
+
         # find the root of the repo
         self.repodir = projectdir
         while not os.path.isdir(os.path.join(self.repodir, self.vcs.adminDir)):
             self.repodir = os.path.dirname(self.repodir)
             if os.path.splitdrive(self.repodir)[1] == os.sep:
                 return
-        
+
         self.activateWindow()
         self.raise_()
-        
+
         self.logTree.clear()
         self.__started = True
         self.__getReflogEntries()
-    
+
     def __procFinished(self, exitCode, exitStatus):
         """
         Private slot connected to the finished signal.
-        
+
         @param exitCode exit code of the process (integer)
         @param exitStatus exit status of the process (QProcess.ExitStatus)
         """
         self.__processBuffer()
         self.__finish()
-    
+
     def __finish(self):
         """
         Private slot called when the process finished or the user pressed
         the button.
         """
         if (
-            self.__process is not None and
-            self.__process.state() != QProcess.ProcessState.NotRunning
+            self.__process is not None
+            and self.__process.state() != QProcess.ProcessState.NotRunning
         ):
             self.__process.terminate()
             QTimer.singleShot(2000, self.__process.kill)
             self.__process.waitForFinished(3000)
-        
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Close).setEnabled(True)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Cancel).setEnabled(False)
-        self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Close).setDefault(True)
-        
+
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setDefault(True)
+
         self.inputGroup.setEnabled(False)
         self.inputGroup.hide()
         self.refreshButton.setEnabled(True)
-    
+
     def __processBuffer(self):
         """
         Private method to process the buffered output of the git log command.
         """
         noEntries = 0
-        
+
         for line in self.buf:
             line = line.rstrip()
             if line == "recordstart":
@@ -275,8 +272,10 @@
             elif line == "recordend":
                 if len(logEntry) > 1:
                     self.__generateReflogItem(
-                        logEntry["commit"], logEntry["selector"],
-                        logEntry["name"], logEntry["subject"],
+                        logEntry["commit"],
+                        logEntry["selector"],
+                        logEntry["name"],
+                        logEntry["subject"],
                     )
                     noEntries += 1
             else:
@@ -287,13 +286,13 @@
                     value = line
                 if key in ("commit", "selector", "name", "subject"):
                     logEntry[key] = value.strip()
-        
+
         self.__resizeColumnsLog()
-        
+
         if self.__started:
             self.logTree.setCurrentItem(self.logTree.topLevelItem(0))
             self.__started = False
-        
+
         self.__skipEntries += noEntries
         if noEntries < self.limitSpinBox.value() and not self.cancelled:
             self.nextButton.setEnabled(False)
@@ -301,71 +300,71 @@
         else:
             self.nextButton.setEnabled(True)
             self.limitSpinBox.setEnabled(True)
-        
+
         # restore current item
         if self.__currentCommitId:
             items = self.logTree.findItems(
-                self.__currentCommitId, Qt.MatchFlag.MatchExactly,
-                self.CommitIdColumn)
+                self.__currentCommitId, Qt.MatchFlag.MatchExactly, self.CommitIdColumn
+            )
             if items:
                 self.logTree.setCurrentItem(items[0])
                 self.__currentCommitId = ""
-    
+
     def __readStdout(self):
         """
         Private slot to handle the readyReadStandardOutput signal.
-        
+
         It reads the output of the process and inserts it into a buffer.
         """
         self.__process.setReadChannel(QProcess.ProcessChannel.StandardOutput)
-        
+
         while self.__process.canReadLine():
-            line = str(self.__process.readLine(),
-                       Preferences.getSystem("IOEncoding"),
-                       'replace')
+            line = str(
+                self.__process.readLine(),
+                Preferences.getSystem("IOEncoding"),
+                "replace",
+            )
             self.buf.append(line)
-    
+
     def __readStderr(self):
         """
         Private slot to handle the readyReadStandardError signal.
-        
+
         It reads the error output of the process and inserts it into the
         error pane.
         """
         if self.__process is not None:
-            s = str(self.__process.readAllStandardError(),
-                    Preferences.getSystem("IOEncoding"),
-                    'replace')
+            s = str(
+                self.__process.readAllStandardError(),
+                Preferences.getSystem("IOEncoding"),
+                "replace",
+            )
             self.__showError(s)
-    
+
     def __showError(self, out):
         """
         Private slot to show some error.
-        
+
         @param out error to be shown (string)
         """
         self.errorGroup.show()
         self.errors.insertPlainText(out)
         self.errors.ensureCursorVisible()
-    
+
     def on_buttonBox_clicked(self, button):
         """
         Private slot called by a button of the button box clicked.
-        
+
         @param button button that was clicked (QAbstractButton)
         """
-        if button == self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Close
-        ):
+        if button == self.buttonBox.button(QDialogButtonBox.StandardButton.Close):
             self.close()
-        elif button == self.buttonBox.button(
-            QDialogButtonBox.StandardButton.Cancel
-        ):
+        elif button == self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel):
             self.cancelled = True
             self.__finish()
         elif button == self.refreshButton:
             self.on_refreshButton_clicked()
-    
+
     @pyqtSlot()
     def on_refreshButton_clicked(self):
         """
@@ -377,20 +376,20 @@
             self.__currentCommitId = itm.text(self.CommitIdColumn)
         else:
             self.__currentCommitId = ""
-        
+
         self.start(self.repodir)
-    
+
     def on_passwordCheckBox_toggled(self, isOn):
         """
         Private slot to handle the password checkbox toggled.
-        
+
         @param isOn flag indicating the status of the check box (boolean)
         """
         if isOn:
             self.input.setEchoMode(QLineEdit.EchoMode.Password)
         else:
             self.input.setEchoMode(QLineEdit.EchoMode.Normal)
-    
+
     @pyqtSlot()
     def on_sendButton_clicked(self):
         """
@@ -398,7 +397,7 @@
         """
         inputTxt = self.input.text()
         inputTxt += os.linesep
-        
+
         if self.passwordCheckBox.isChecked():
             self.errors.insertPlainText(os.linesep)
             self.errors.ensureCursorVisible()
@@ -406,23 +405,23 @@
             self.errors.insertPlainText(inputTxt)
             self.errors.ensureCursorVisible()
         self.errorGroup.show()
-        
+
         self.__process.write(strToQByteArray(inputTxt))
-        
+
         self.passwordCheckBox.setChecked(False)
         self.input.clear()
-    
+
     def on_input_returnPressed(self):
         """
         Private slot to handle the press of the return key in the input field.
         """
         self.intercept = True
         self.on_sendButton_clicked()
-    
+
     def keyPressEvent(self, evt):
         """
         Protected slot to handle a key press event.
-        
+
         @param evt the key press event (QKeyEvent)
         """
         if self.intercept:
@@ -430,7 +429,7 @@
             evt.accept()
             return
         super().keyPressEvent(evt)
-    
+
     @pyqtSlot()
     def on_nextButton_clicked(self):
         """

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