eric6/Plugins/VcsPlugins/vcsMercurial/GpgExtension/HgGpgSignaturesDialog.py

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7192
a22eee00b052
diff -r f99d60d6b59b -r 2602857055c5 eric6/Plugins/VcsPlugins/vcsMercurial/GpgExtension/HgGpgSignaturesDialog.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/GpgExtension/HgGpgSignaturesDialog.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,389 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog showing signed changesets.
+"""
+
+from __future__ import unicode_literals
+try:
+    str = unicode
+except NameError:
+    pass
+
+import os
+
+from PyQt5.QtCore import pyqtSlot, QProcess, QTimer, Qt, QRegExp, \
+    QCoreApplication
+from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QHeaderView, \
+    QTreeWidgetItem, QLineEdit
+
+from E5Gui import E5MessageBox
+
+from .Ui_HgGpgSignaturesDialog import Ui_HgGpgSignaturesDialog
+
+from Globals import strToQByteArray
+
+
+class HgGpgSignaturesDialog(QDialog, Ui_HgGpgSignaturesDialog):
+    """
+    Class implementing a dialog showing signed changesets.
+    """
+    def __init__(self, vcs, parent=None):
+        """
+        Constructor
+        
+        @param vcs reference to the vcs object
+        @param parent reference to the parent widget (QWidget)
+        """
+        super(HgGpgSignaturesDialog, self).__init__(parent)
+        self.setupUi(self)
+        self.setWindowFlags(Qt.Window)
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
+        
+        self.process = QProcess()
+        self.vcs = vcs
+        self.__hgClient = vcs.getClient()
+        
+        self.process.finished.connect(self.__procFinished)
+        self.process.readyReadStandardOutput.connect(self.__readStdout)
+        self.process.readyReadStandardError.connect(self.__readStderr)
+        
+        self.show()
+        QCoreApplication.processEvents()
+    
+    def closeEvent(self, e):
+        """
+        Protected slot implementing a close event handler.
+        
+        @param e close event (QCloseEvent)
+        """
+        if self.__hgClient:
+            if self.__hgClient.isExecuting():
+                self.__hgClient.cancel()
+        else:
+            if self.process is not None and \
+               self.process.state() != QProcess.NotRunning:
+                self.process.terminate()
+                QTimer.singleShot(2000, self.process.kill)
+                self.process.waitForFinished(3000)
+        
+        e.accept()
+    
+    def start(self, path):
+        """
+        Public slot to start the list command.
+        
+        @param path name of directory (string)
+        """
+        self.errorGroup.hide()
+        
+        self.intercept = False
+        self.activateWindow()
+        
+        self.__path = path
+        dname, fname = self.vcs.splitPath(path)
+        
+        # find the root of the repo
+        repodir = dname
+        while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)):
+            repodir = os.path.dirname(repodir)
+            if os.path.splitdrive(repodir)[1] == os.sep:
+                return
+        
+        args = self.vcs.initCommand("sigs")
+        
+        if self.__hgClient:
+            self.inputGroup.setEnabled(False)
+            self.inputGroup.hide()
+            
+            out, err = self.__hgClient.runcommand(args)
+            if err:
+                self.__showError(err)
+            if out:
+                for line in out.splitlines():
+                    self.__processOutputLine(line)
+                    if self.__hgClient.wasCanceled():
+                        break
+            self.__finish()
+        else:
+            self.process.kill()
+            self.process.setWorkingDirectory(repodir)
+            
+            self.process.start('hg', args)
+            procStarted = self.process.waitForStarted(5000)
+            if not procStarted:
+                self.inputGroup.setEnabled(False)
+                self.inputGroup.hide()
+                E5MessageBox.critical(
+                    self,
+                    self.tr('Process Generation Error'),
+                    self.tr(
+                        'The process {0} could not be started. '
+                        'Ensure, that it is in the search path.'
+                    ).format('hg'))
+            else:
+                self.inputGroup.setEnabled(True)
+                self.inputGroup.show()
+    
+    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.NotRunning:
+            self.process.terminate()
+            QTimer.singleShot(2000, self.process.kill)
+            self.process.waitForFinished(3000)
+        
+        self.inputGroup.setEnabled(False)
+        self.inputGroup.hide()
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
+        self.buttonBox.button(QDialogButtonBox.Close).setFocus(
+            Qt.OtherFocusReason)
+        
+        if self.signaturesList.topLevelItemCount() == 0:
+            # no patches present
+            self.__generateItem("", "", self.tr("no signatures found"))
+        self.__resizeColumns()
+        self.__resort()
+    
+    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.Close):
+            self.close()
+        elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
+            if self.__hgClient:
+                self.__hgClient.cancel()
+            else:
+                self.__finish()
+    
+    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.__finish()
+    
+    def __resort(self):
+        """
+        Private method to resort the tree.
+        """
+        self.signaturesList.sortItems(
+            self.signaturesList.sortColumn(),
+            self.signaturesList.header().sortIndicatorOrder())
+    
+    def __resizeColumns(self):
+        """
+        Private method to resize the list columns.
+        """
+        self.signaturesList.header().resizeSections(
+            QHeaderView.ResizeToContents)
+        self.signaturesList.header().setStretchLastSection(True)
+    
+    def __generateItem(self, revision, changeset, signature):
+        """
+        Private method to generate a patch item in the list of patches.
+        
+        @param revision revision number (string)
+        @param changeset changeset of the bookmark (string)
+        @param signature signature of the changeset (string)
+        """
+        if revision == "" and changeset == "":
+            QTreeWidgetItem(self.signaturesList, [signature])
+        else:
+            revString = "{0:>7}:{1}".format(revision, changeset)
+            topItems = self.signaturesList.findItems(
+                revString, Qt.MatchExactly)
+            if len(topItems) == 0:
+                # first signature for this changeset
+                topItm = QTreeWidgetItem(self.signaturesList, [
+                    "{0:>7}:{1}".format(revision, changeset)])
+                topItm.setExpanded(True)
+                font = topItm.font(0)
+                font.setBold(True)
+                topItm.setFont(0, font)
+            else:
+                topItm = topItems[0]
+            QTreeWidgetItem(topItm, [signature])
+    
+    def __readStdout(self):
+        """
+        Private slot to handle the readyReadStdout signal.
+        
+        It reads the output of the process, formats it and inserts it into
+        the contents pane.
+        """
+        self.process.setReadChannel(QProcess.StandardOutput)
+        
+        while self.process.canReadLine():
+            s = str(self.process.readLine(), self.vcs.getEncoding(),
+                    'replace').strip()
+            self.__processOutputLine(s)
+    
+    def __processOutputLine(self, line):
+        """
+        Private method to process the lines of output.
+        
+        @param line output line to be processed (string)
+        """
+        li = line.split()
+        if li[-1][0] in "1234567890":
+            # last element is a rev:changeset
+            rev, changeset = li[-1].split(":", 1)
+            del li[-1]
+            signature = " ".join(li)
+            self.__generateItem(rev, changeset, signature)
+    
+    def __readStderr(self):
+        """
+        Private slot to handle the readyReadStderr 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(),
+                    self.vcs.getEncoding(), '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()
+    
+    @pyqtSlot()
+    def on_signaturesList_itemSelectionChanged(self):
+        """
+        Private slot handling changes of the selection.
+        """
+        selectedItems = self.signaturesList.selectedItems()
+        if len(selectedItems) == 1 and \
+           self.signaturesList.indexOfTopLevelItem(selectedItems[0]) != -1:
+            self.verifyButton.setEnabled(True)
+        else:
+            self.verifyButton.setEnabled(False)
+    
+    @pyqtSlot()
+    def on_verifyButton_clicked(self):
+        """
+        Private slot to verify the signatures of the selected revision.
+        """
+        rev = self.signaturesList.selectedItems()[0].text(0)\
+            .split(":")[0].strip()
+        self.vcs.getExtensionObject("gpg")\
+            .hgGpgVerifySignatures(self.__path, rev)
+    
+    @pyqtSlot(str)
+    def on_categoryCombo_activated(self, txt):
+        """
+        Private slot called, when a new filter category is selected.
+        
+        @param txt text of the selected category (string)
+        """
+        self.__filterSignatures()
+    
+    @pyqtSlot(str)
+    def on_rxEdit_textChanged(self, txt):
+        """
+        Private slot called, when a filter expression is entered.
+        
+        @param txt filter expression (string)
+        """
+        self.__filterSignatures()
+    
+    def __filterSignatures(self):
+        """
+        Private method to filter the log entries.
+        """
+        searchRxText = self.rxEdit.text()
+        filterTop = self.categoryCombo.currentText() == self.tr("Revision")
+        if filterTop and searchRxText.startswith("^"):
+            searchRx = QRegExp(
+                r"^\s*{0}".format(searchRxText[1:]), Qt.CaseInsensitive)
+        else:
+            searchRx = QRegExp(searchRxText, Qt.CaseInsensitive)
+        for topIndex in range(self.signaturesList.topLevelItemCount()):
+            topLevelItem = self.signaturesList.topLevelItem(topIndex)
+            if filterTop:
+                topLevelItem.setHidden(
+                    searchRx.indexIn(topLevelItem.text(0)) == -1)
+            else:
+                visibleChildren = topLevelItem.childCount()
+                for childIndex in range(topLevelItem.childCount()):
+                    childItem = topLevelItem.child(childIndex)
+                    if searchRx.indexIn(childItem.text(0)) == -1:
+                        childItem.setHidden(True)
+                        visibleChildren -= 1
+                    else:
+                        childItem.setHidden(False)
+                topLevelItem.setHidden(visibleChildren == 0)
+    
+    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.Password)
+        else:
+            self.input.setEchoMode(QLineEdit.Normal)
+    
+    @pyqtSlot()
+    def on_sendButton_clicked(self):
+        """
+        Private slot to send the input to the subversion process.
+        """
+        inputTxt = self.input.text()
+        inputTxt += os.linesep
+        
+        if self.passwordCheckBox.isChecked():
+            self.errors.insertPlainText(os.linesep)
+            self.errors.ensureCursorVisible()
+        else:
+            self.errors.insertPlainText(inputTxt)
+            self.errors.ensureCursorVisible()
+        
+        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:
+            self.intercept = False
+            evt.accept()
+            return
+        super(HgGpgSignaturesDialog, self).keyPressEvent(evt)

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