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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2014 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing a dialog to show the output of git blame. |
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8 """ |
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9 |
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10 import os |
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11 import re |
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12 |
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13 from PyQt6.QtCore import pyqtSlot, QProcess, QTimer, Qt, QCoreApplication |
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14 from PyQt6.QtWidgets import ( |
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15 QDialog, QDialogButtonBox, QHeaderView, QLineEdit, QTreeWidgetItem |
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16 ) |
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17 |
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18 from EricWidgets import EricMessageBox |
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19 |
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20 from .Ui_GitBlameDialog import Ui_GitBlameDialog |
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21 |
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22 import Preferences |
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23 from Globals import strToQByteArray |
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24 |
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25 |
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26 class GitBlameDialog(QDialog, Ui_GitBlameDialog): |
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27 """ |
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28 Class implementing a dialog to show the output of git blame. |
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29 """ |
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30 def __init__(self, vcs, parent=None): |
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31 """ |
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32 Constructor |
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33 |
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34 @param vcs reference to the vcs object |
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35 @param parent reference to the parent widget (QWidget) |
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36 """ |
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37 super().__init__(parent) |
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38 self.setupUi(self) |
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39 self.setWindowFlags(Qt.WindowType.Window) |
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40 |
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41 self.buttonBox.button( |
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42 QDialogButtonBox.StandardButton.Close).setEnabled(False) |
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43 self.buttonBox.button( |
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44 QDialogButtonBox.StandardButton.Cancel).setDefault(True) |
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45 |
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46 self.vcs = vcs |
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47 |
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48 self.__blameRe = re.compile( |
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49 r"""\^?([0-9a-fA-F]+)\s+\((.+)\s+(\d{4}-\d{2}-\d{2})\s+""" |
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50 r"""(\d{2}:\d{2}):\d{2}\s+[+-]\d{4}\s+(\d+)\)\s?(.*)""") |
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51 # commit - author - date - time - lineno. - text |
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52 |
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53 self.blameList.headerItem().setText( |
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54 self.blameList.columnCount(), "") |
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55 font = Preferences.getEditorOtherFonts("MonospacedFont") |
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56 self.blameList.setFont(font) |
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57 |
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58 self.process = QProcess() |
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59 self.process.finished.connect(self.__procFinished) |
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60 self.process.readyReadStandardOutput.connect(self.__readStdout) |
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61 self.process.readyReadStandardError.connect(self.__readStderr) |
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62 |
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63 self.show() |
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64 QCoreApplication.processEvents() |
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65 |
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66 def closeEvent(self, e): |
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67 """ |
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68 Protected slot implementing a close event handler. |
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69 |
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70 @param e close event (QCloseEvent) |
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71 """ |
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72 if ( |
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73 self.process is not None and |
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74 self.process.state() != QProcess.ProcessState.NotRunning |
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75 ): |
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76 self.process.terminate() |
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77 QTimer.singleShot(2000, self.process.kill) |
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78 self.process.waitForFinished(3000) |
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79 |
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80 e.accept() |
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81 |
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82 def start(self, fn): |
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83 """ |
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84 Public slot to start the blame command. |
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85 |
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86 @param fn filename to show the blame for (string) |
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87 """ |
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88 self.blameList.clear() |
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89 |
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90 self.errorGroup.hide() |
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91 self.intercept = False |
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92 self.activateWindow() |
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93 |
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94 dname, fname = self.vcs.splitPath(fn) |
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95 |
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96 # find the root of the repo |
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97 repodir = dname |
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98 while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)): |
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99 repodir = os.path.dirname(repodir) |
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100 if os.path.splitdrive(repodir)[1] == os.sep: |
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101 return |
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102 |
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103 args = self.vcs.initCommand("blame") |
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104 args.append('--abbrev={0}'.format( |
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105 self.vcs.getPlugin().getPreferences("CommitIdLength"))) |
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106 args.append('--date=iso') |
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107 args.append(fn) |
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108 |
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109 self.process.kill() |
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110 self.process.setWorkingDirectory(repodir) |
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111 |
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112 self.process.start('git', args) |
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113 procStarted = self.process.waitForStarted(5000) |
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114 if not procStarted: |
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115 self.inputGroup.setEnabled(False) |
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116 self.inputGroup.hide() |
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117 EricMessageBox.critical( |
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118 self, |
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119 self.tr('Process Generation Error'), |
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120 self.tr( |
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121 'The process {0} could not be started. ' |
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122 'Ensure, that it is in the search path.' |
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123 ).format('git')) |
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124 else: |
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125 self.inputGroup.setEnabled(True) |
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126 self.inputGroup.show() |
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127 |
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128 def __finish(self): |
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129 """ |
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130 Private slot called when the process finished or the user pressed |
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131 the button. |
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132 """ |
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133 if ( |
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134 self.process is not None and |
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135 self.process.state() != QProcess.ProcessState.NotRunning |
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136 ): |
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137 self.process.terminate() |
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138 QTimer.singleShot(2000, self.process.kill) |
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139 self.process.waitForFinished(3000) |
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140 |
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141 self.inputGroup.setEnabled(False) |
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142 self.inputGroup.hide() |
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143 |
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144 self.buttonBox.button( |
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145 QDialogButtonBox.StandardButton.Close).setEnabled(True) |
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146 self.buttonBox.button( |
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147 QDialogButtonBox.StandardButton.Cancel).setEnabled(False) |
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148 self.buttonBox.button( |
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149 QDialogButtonBox.StandardButton.Close).setDefault(True) |
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150 self.buttonBox.button( |
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151 QDialogButtonBox.StandardButton.Close).setFocus( |
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152 Qt.FocusReason.OtherFocusReason) |
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153 |
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154 self.__resizeColumns() |
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155 |
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156 def on_buttonBox_clicked(self, button): |
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157 """ |
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158 Private slot called by a button of the button box clicked. |
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159 |
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160 @param button button that was clicked (QAbstractButton) |
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161 """ |
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162 if button == self.buttonBox.button( |
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163 QDialogButtonBox.StandardButton.Close |
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164 ): |
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165 self.close() |
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166 elif button == self.buttonBox.button( |
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167 QDialogButtonBox.StandardButton.Cancel |
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168 ): |
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169 self.__finish() |
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170 |
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171 def __procFinished(self, exitCode, exitStatus): |
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172 """ |
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173 Private slot connected to the finished signal. |
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174 |
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175 @param exitCode exit code of the process (integer) |
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176 @param exitStatus exit status of the process (QProcess.ExitStatus) |
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177 """ |
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178 self.__finish() |
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179 |
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180 def __resizeColumns(self): |
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181 """ |
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182 Private method to resize the list columns. |
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183 """ |
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184 self.blameList.header().resizeSections( |
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185 QHeaderView.ResizeMode.ResizeToContents) |
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186 |
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187 def __generateItem(self, commitId, author, date, time, lineno, text): |
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188 """ |
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189 Private method to generate a blame item in the annotation list. |
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190 |
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191 @param commitId commit identifier (string) |
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192 @param author author of the change (string) |
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193 @param date date of the change (string) |
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194 @param time time of the change (string) |
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195 @param lineno line number of the change (string) |
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196 @param text name (path) of the tag (string) |
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197 """ |
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198 itm = QTreeWidgetItem( |
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199 self.blameList, |
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200 [commitId, author, date, time, lineno, text]) |
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201 itm.setTextAlignment(0, Qt.AlignmentFlag.AlignRight) |
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202 itm.setTextAlignment(4, Qt.AlignmentFlag.AlignRight) |
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203 |
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204 def __readStdout(self): |
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205 """ |
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206 Private slot to handle the readyReadStdout signal. |
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207 |
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208 It reads the output of the process, formats it and inserts it into |
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209 the annotation list. |
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210 """ |
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211 self.process.setReadChannel(QProcess.ProcessChannel.StandardOutput) |
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212 |
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213 while self.process.canReadLine(): |
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214 line = str(self.process.readLine(), |
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215 Preferences.getSystem("IOEncoding"), |
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216 'replace').strip() |
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217 match = self.__blameRe.match(line) |
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218 commitId, author, date, time, lineno, text = match.groups() |
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219 self.__generateItem(commitId, author, date, time, lineno, text) |
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220 |
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221 def __readStderr(self): |
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222 """ |
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223 Private slot to handle the readyReadStderr signal. |
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224 |
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225 It reads the error output of the process and inserts it into the |
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226 error pane. |
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227 """ |
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228 if self.process is not None: |
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229 s = str(self.process.readAllStandardError(), |
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230 Preferences.getSystem("IOEncoding"), |
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231 'replace') |
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232 |
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233 self.errorGroup.show() |
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234 self.errors.insertPlainText(s) |
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235 self.errors.ensureCursorVisible() |
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236 |
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237 @pyqtSlot() |
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238 def on_sendButton_clicked(self): |
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239 """ |
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240 Private slot to send the input to the git process. |
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241 """ |
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242 inputTxt = self.input.text() |
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243 inputTxt += os.linesep |
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244 |
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245 if self.passwordCheckBox.isChecked(): |
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246 self.errors.insertPlainText(os.linesep) |
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247 self.errors.ensureCursorVisible() |
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248 else: |
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249 self.errors.insertPlainText(inputTxt) |
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250 self.errors.ensureCursorVisible() |
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251 |
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252 self.process.write(strToQByteArray(inputTxt)) |
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253 |
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254 self.passwordCheckBox.setChecked(False) |
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255 self.input.clear() |
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256 |
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257 @pyqtSlot() |
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258 def on_input_returnPressed(self): |
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259 """ |
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260 Private slot to handle the press of the return key in the input field. |
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261 """ |
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262 self.intercept = True |
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263 self.on_sendButton_clicked() |
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264 |
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265 @pyqtSlot(bool) |
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266 def on_passwordCheckBox_toggled(self, checked): |
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267 """ |
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268 Private slot to handle the password checkbox toggled. |
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269 |
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270 @param checked flag indicating the status of the check box (boolean) |
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271 """ |
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272 if checked: |
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273 self.input.setEchoMode(QLineEdit.EchoMode.Password) |
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274 else: |
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275 self.input.setEchoMode(QLineEdit.EchoMode.Normal) |
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276 |
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277 def keyPressEvent(self, evt): |
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278 """ |
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279 Protected slot to handle a key press event. |
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280 |
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281 @param evt the key press event (QKeyEvent) |
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282 """ |
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283 if self.intercept: |
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284 self.intercept = False |
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285 evt.accept() |
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286 return |
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287 super().keyPressEvent(evt) |