Mercurial Repositories > eric / file comparison
comparison: Plugins/VcsPlugins/vcsGit/GitDialog.py
Plugins/VcsPlugins/vcsGit/GitDialog.py
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- baf6da1ae288
- child 6048
- 82ad8ec9548c
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| 6019:58ecdaf0b789 | 6020:baf6da1ae288 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog starting a process and showing its output. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 try: | |
| 12 str = unicode | |
| 13 except NameError: | |
| 14 pass | |
| 15 | |
| 16 import os | |
| 17 | |
| 18 from PyQt5.QtCore import QProcess, QTimer, pyqtSlot, Qt, QCoreApplication, \ | |
| 19 QProcessEnvironment | |
| 20 from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QLineEdit | |
| 21 | |
| 22 from E5Gui import E5MessageBox | |
| 23 | |
| 24 from .Ui_GitDialog import Ui_GitDialog | |
| 25 | |
| 26 from .GitUtilities import strToQByteArray | |
| 27 | |
| 28 import Preferences | |
| 29 | |
| 30 | |
| 31 class GitDialog(QDialog, Ui_GitDialog): | |
| 32 """ | |
| 33 Class implementing a dialog starting a process and showing its output. | |
| 34 | |
| 35 It starts a QProcess and displays a dialog that | |
| 36 shows the output of the process. The dialog is modal, | |
| 37 which causes a synchronized execution of the process. | |
| 38 """ | |
| 39 def __init__(self, text, git=None, parent=None): | |
| 40 """ | |
| 41 Constructor | |
| 42 | |
| 43 @param text text to be shown by the label (string) | |
| 44 @param git reference to the Git interface object (Git) | |
| 45 @param parent parent widget (QWidget) | |
| 46 """ | |
| 47 super(GitDialog, self).__init__(parent) | |
| 48 self.setupUi(self) | |
| 49 | |
| 50 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False) | |
| 51 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True) | |
| 52 | |
| 53 self.process = None | |
| 54 self.username = '' | |
| 55 self.password = '' | |
| 56 self.vcs = git | |
| 57 | |
| 58 self.outputGroup.setTitle(text) | |
| 59 | |
| 60 self.show() | |
| 61 QCoreApplication.processEvents() | |
| 62 | |
| 63 def __finish(self): | |
| 64 """ | |
| 65 Private slot called when the process finished or the user pressed | |
| 66 the button. | |
| 67 """ | |
| 68 if self.process is not None and \ | |
| 69 self.process.state() != QProcess.NotRunning: | |
| 70 self.process.terminate() | |
| 71 QTimer.singleShot(2000, self.process.kill) | |
| 72 self.process.waitForFinished(3000) | |
| 73 | |
| 74 self.inputGroup.setEnabled(False) | |
| 75 self.inputGroup.hide() | |
| 76 | |
| 77 self.process = None | |
| 78 | |
| 79 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True) | |
| 80 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False) | |
| 81 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) | |
| 82 self.buttonBox.button(QDialogButtonBox.Close).setFocus( | |
| 83 Qt.OtherFocusReason) | |
| 84 | |
| 85 if self.normal and self.errors.toPlainText(): | |
| 86 self.errorGroup.setTitle(self.tr("Additional Output")) | |
| 87 | |
| 88 if Preferences.getVCS("AutoClose") and \ | |
| 89 self.normal and \ | |
| 90 self.errors.toPlainText() == "": | |
| 91 self.accept() | |
| 92 | |
| 93 def on_buttonBox_clicked(self, button): | |
| 94 """ | |
| 95 Private slot called by a button of the button box clicked. | |
| 96 | |
| 97 @param button button that was clicked (QAbstractButton) | |
| 98 """ | |
| 99 if button == self.buttonBox.button(QDialogButtonBox.Close): | |
| 100 self.close() | |
| 101 elif button == self.buttonBox.button(QDialogButtonBox.Cancel): | |
| 102 self.statusLabel.setText(self.tr("Process canceled.")) | |
| 103 self.__finish() | |
| 104 | |
| 105 def __procFinished(self, exitCode, exitStatus): | |
| 106 """ | |
| 107 Private slot connected to the finished signal. | |
| 108 | |
| 109 @param exitCode exit code of the process (integer) | |
| 110 @param exitStatus exit status of the process (QProcess.ExitStatus) | |
| 111 """ | |
| 112 self.normal = (exitStatus == QProcess.NormalExit) and (exitCode == 0) | |
| 113 if self.normal: | |
| 114 self.statusLabel.setText(self.tr("Process finished successfully.")) | |
| 115 elif exitStatus == QProcess.CrashExit: | |
| 116 self.statusLabel.setText(self.tr("Process crashed.")) | |
| 117 else: | |
| 118 self.statusLabel.setText( | |
| 119 self.tr("Proces finished with exit code {0}").format(exitCode)) | |
| 120 self.__finish() | |
| 121 | |
| 122 def startProcess(self, args, workingDir=None, showArgs=True, | |
| 123 environment=None): | |
| 124 """ | |
| 125 Public slot used to start the process. | |
| 126 | |
| 127 @param args list of arguments for the process (list of strings) | |
| 128 @keyparam workingDir working directory for the process (string) | |
| 129 @keyparam showArgs flag indicating to show the arguments (boolean) | |
| 130 @keyparam environment dictionary of environment settings to add | |
| 131 or change for the git process (dict of string and string) | |
| 132 @return flag indicating a successful start of the process (boolean) | |
| 133 """ | |
| 134 self.errorGroup.hide() | |
| 135 self.normal = False | |
| 136 self.intercept = False | |
| 137 | |
| 138 if environment is None: | |
| 139 environment = {} | |
| 140 | |
| 141 self.__hasAddOrDelete = False | |
| 142 if args[0] in ["checkout", "fetch", "pull", "rebase", "reset", | |
| 143 "merge", "cherry-pick", "stash"]: | |
| 144 self.__updateCommand = True | |
| 145 else: | |
| 146 self.__updateCommand = False | |
| 147 | |
| 148 if showArgs: | |
| 149 self.resultbox.append(' '.join(args)) | |
| 150 self.resultbox.append('') | |
| 151 | |
| 152 self.process = QProcess() | |
| 153 if environment: | |
| 154 env = QProcessEnvironment.systemEnvironment() | |
| 155 for key, value in environment.items(): | |
| 156 env.insert(key, value) | |
| 157 self.process.setProcessEnvironment(env) | |
| 158 | |
| 159 self.process.finished.connect(self.__procFinished) | |
| 160 self.process.readyReadStandardOutput.connect(self.__readStdout) | |
| 161 self.process.readyReadStandardError.connect(self.__readStderr) | |
| 162 | |
| 163 if workingDir: | |
| 164 self.process.setWorkingDirectory(workingDir) | |
| 165 self.process.start('git', args) | |
| 166 procStarted = self.process.waitForStarted(5000) | |
| 167 if not procStarted: | |
| 168 self.buttonBox.setFocus() | |
| 169 self.inputGroup.setEnabled(False) | |
| 170 E5MessageBox.critical( | |
| 171 self, | |
| 172 self.tr('Process Generation Error'), | |
| 173 self.tr( | |
| 174 'The process {0} could not be started. ' | |
| 175 'Ensure, that it is in the search path.' | |
| 176 ).format('git')) | |
| 177 else: | |
| 178 self.inputGroup.setEnabled(True) | |
| 179 self.inputGroup.show() | |
| 180 return procStarted | |
| 181 | |
| 182 def normalExit(self): | |
| 183 """ | |
| 184 Public method to check for a normal process termination. | |
| 185 | |
| 186 @return flag indicating normal process termination (boolean) | |
| 187 """ | |
| 188 return self.normal | |
| 189 | |
| 190 def normalExitWithoutErrors(self): | |
| 191 """ | |
| 192 Public method to check for a normal process termination without | |
| 193 error messages. | |
| 194 | |
| 195 @return flag indicating normal process termination (boolean) | |
| 196 """ | |
| 197 return self.normal and self.errors.toPlainText() == "" | |
| 198 | |
| 199 def __readStdout(self): | |
| 200 """ | |
| 201 Private slot to handle the readyReadStandardOutput signal. | |
| 202 | |
| 203 It reads the output of the process, formats it and inserts it into | |
| 204 the contents pane. | |
| 205 """ | |
| 206 if self.process is not None: | |
| 207 s = str(self.process.readAllStandardOutput(), | |
| 208 Preferences.getSystem("IOEncoding"), | |
| 209 'replace') | |
| 210 self.__showOutput(s) | |
| 211 | |
| 212 def __showOutput(self, out): | |
| 213 """ | |
| 214 Private slot to show some output. | |
| 215 | |
| 216 @param out output to be shown (string) | |
| 217 """ | |
| 218 self.resultbox.insertPlainText(out) | |
| 219 self.resultbox.ensureCursorVisible() | |
| 220 | |
| 221 # check for a changed project file | |
| 222 if self.__updateCommand: | |
| 223 for line in out.splitlines(): | |
| 224 if '.e4p' in line or '.e6p' in line: | |
| 225 self.__hasAddOrDelete = True | |
| 226 break | |
| 227 | |
| 228 QCoreApplication.processEvents() | |
| 229 | |
| 230 def __readStderr(self): | |
| 231 """ | |
| 232 Private slot to handle the readyReadStandardError signal. | |
| 233 | |
| 234 It reads the error output of the process and inserts it into the | |
| 235 error pane. | |
| 236 """ | |
| 237 if self.process is not None: | |
| 238 s = str(self.process.readAllStandardError(), | |
| 239 Preferences.getSystem("IOEncoding"), | |
| 240 'replace') | |
| 241 self.__showError(s) | |
| 242 | |
| 243 def __showError(self, out): | |
| 244 """ | |
| 245 Private slot to show some error. | |
| 246 | |
| 247 @param out error to be shown (string) | |
| 248 """ | |
| 249 self.errorGroup.show() | |
| 250 self.errors.insertPlainText(out) | |
| 251 self.errors.ensureCursorVisible() | |
| 252 | |
| 253 QCoreApplication.processEvents() | |
| 254 | |
| 255 def on_passwordCheckBox_toggled(self, isOn): | |
| 256 """ | |
| 257 Private slot to handle the password checkbox toggled. | |
| 258 | |
| 259 @param isOn flag indicating the status of the check box (boolean) | |
| 260 """ | |
| 261 if isOn: | |
| 262 self.input.setEchoMode(QLineEdit.Password) | |
| 263 else: | |
| 264 self.input.setEchoMode(QLineEdit.Normal) | |
| 265 | |
| 266 @pyqtSlot() | |
| 267 def on_sendButton_clicked(self): | |
| 268 """ | |
| 269 Private slot to send the input to the git process. | |
| 270 """ | |
| 271 inputTxt = self.input.text() | |
| 272 inputTxt += os.linesep | |
| 273 | |
| 274 if self.passwordCheckBox.isChecked(): | |
| 275 self.errors.insertPlainText(os.linesep) | |
| 276 self.errors.ensureCursorVisible() | |
| 277 else: | |
| 278 self.errors.insertPlainText(inputTxt) | |
| 279 self.errors.ensureCursorVisible() | |
| 280 | |
| 281 self.process.write(strToQByteArray(inputTxt)) | |
| 282 | |
| 283 self.passwordCheckBox.setChecked(False) | |
| 284 self.input.clear() | |
| 285 | |
| 286 def on_input_returnPressed(self): | |
| 287 """ | |
| 288 Private slot to handle the press of the return key in the input field. | |
| 289 """ | |
| 290 self.intercept = True | |
| 291 self.on_sendButton_clicked() | |
| 292 | |
| 293 def keyPressEvent(self, evt): | |
| 294 """ | |
| 295 Protected slot to handle a key press event. | |
| 296 | |
| 297 @param evt the key press event (QKeyEvent) | |
| 298 """ | |
| 299 if self.intercept: | |
| 300 self.intercept = False | |
| 301 evt.accept() | |
| 302 return | |
| 303 super(GitDialog, self).keyPressEvent(evt) | |
| 304 | |
| 305 def hasAddOrDelete(self): | |
| 306 """ | |
| 307 Public method to check, if the last action contained an add or delete. | |
| 308 | |
| 309 @return flag indicating the presence of an add or delete (boolean) | |
| 310 """ | |
| 311 return self.__hasAddOrDelete |
