Plugins/VcsPlugins/vcsMercurial/QueuesExtension/HgQueuesHeaderDialog.py

Tue, 30 Aug 2011 19:39:52 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Tue, 30 Aug 2011 19:39:52 +0200
changeset 1254
c077fa008aae
parent 1131
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child 1256
885706dbb69f
permissions
-rw-r--r--

Continued implementing an interface to the Mercurial command server.
Modified part 1 of the queues extension.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2011 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 commit message of the current patch.
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8 """
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9
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10 import os
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11
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12 from PyQt4.QtCore import QProcess, QTimer, Qt
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13 from PyQt4.QtGui import QDialog, QDialogButtonBox
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14
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15 from E5Gui import E5MessageBox
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16
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17 from .Ui_HgQueuesHeaderDialog import Ui_HgQueuesHeaderDialog
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18
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19 import Preferences
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20
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21
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22 class HgQueuesHeaderDialog(QDialog, Ui_HgQueuesHeaderDialog):
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23 """
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24 Class implementing a dialog to show the commit message of the current patch.
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25 """
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26 def __init__(self, vcs, parent=None):
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27 """
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28 Constructor
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29
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30 @param vcs reference to the vcs object
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31 @param parent reference to the parent widget (QWidget)
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32 """
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33 super().__init__(parent)
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34 self.setupUi(self)
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35
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36 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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37 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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38
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39 self.process = QProcess()
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40 self.vcs = vcs
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41 self.__hgClient = vcs.getClient()
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42
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43 self.process.finished.connect(self.__procFinished)
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44 self.process.readyReadStandardOutput.connect(self.__readStdout)
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45 self.process.readyReadStandardError.connect(self.__readStderr)
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46
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47 def closeEvent(self, e):
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48 """
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49 Private slot implementing a close event handler.
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50
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51 @param e close event (QCloseEvent)
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52 """
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53 if self.process is not None and \
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54 self.process.state() != QProcess.NotRunning:
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55 self.process.terminate()
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56 QTimer.singleShot(2000, self.process.kill)
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57 self.process.waitForFinished(3000)
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58
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59 e.accept()
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60
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61 def start(self, path):
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62 """
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63 Public slot to start the list command.
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64
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65 @param path name of directory to be listed (string)
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66 """
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67 self.activateWindow()
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68
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69 dname, fname = self.vcs.splitPath(path)
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70
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71 # find the root of the repo
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72 repodir = dname
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73 while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)):
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74 repodir = os.path.dirname(repodir)
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75 if repodir == os.sep:
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76 return
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77
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78 args = []
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79 args.append('qheader')
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80
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81 if self.__hgClient:
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82 self.inputGroup.setEnabled(False)
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83 self.inputGroup.hide()
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84
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85 out, err = self.__hgClient.runcommand(args)
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86 if err:
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87 self.__showError(err)
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88 if out:
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89 self.__showOutPut(out)
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90 self.__finish()
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91 else:
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92 self.process.kill()
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93 self.process.setWorkingDirectory(repodir)
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94
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95 self.process.start('hg', args)
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96 procStarted = self.process.waitForStarted()
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97 if not procStarted:
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98 E5MessageBox.critical(self,
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99 self.trUtf8('Process Generation Error'),
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100 self.trUtf8(
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101 'The process {0} could not be started. '
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102 'Ensure, that it is in the search path.'
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103 ).format('hg'))
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104
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105 def __finish(self):
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106 """
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107 Private slot called when the process finished or the user pressed the button.
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108 """
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109 if self.process is not None and \
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110 self.process.state() != QProcess.NotRunning:
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111 self.process.terminate()
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112 QTimer.singleShot(2000, self.process.kill)
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113 self.process.waitForFinished(3000)
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114
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115 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
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116 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
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117 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
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118 self.buttonBox.button(QDialogButtonBox.Close).setFocus(Qt.OtherFocusReason)
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119
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120 self.process = None
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121
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122 def on_buttonBox_clicked(self, button):
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123 """
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124 Private slot called by a button of the button box clicked.
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125
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126 @param button button that was clicked (QAbstractButton)
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127 """
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128 if button == self.buttonBox.button(QDialogButtonBox.Close):
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129 self.close()
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130 elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
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131 if self.__hgClient:
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132 self.__hgClient.cancel()
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133 else:
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134 self.__finish()
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135
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136 def __procFinished(self, exitCode, exitStatus):
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137 """
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138 Private slot connected to the finished signal.
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139
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140 @param exitCode exit code of the process (integer)
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141 @param exitStatus exit status of the process (QProcess.ExitStatus)
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142 """
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143 self.__finish()
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144
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145 def __readStdout(self):
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146 """
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147 Private slot to handle the readyReadStdout signal.
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148
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149 It reads the output of the process, formats it and inserts it into
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150 the contents pane.
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151 """
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152 if self.process is not None:
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153 s = str(self.process.readAllStandardOutput(),
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154 Preferences.getSystem("IOEncoding"),
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155 'replace')
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156 self.__showOutput(s)
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157
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158 def __showOutput(self, out):
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159 """
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160 Private slot to show some output.
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161
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162 @param out output to be shown (string)
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163 """
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164 self.messageEdit.appendPlainText(out)
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165
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166 def __readStderr(self):
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167 """
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168 Private slot to handle the readyReadStderr signal.
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169
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170 It reads the error output of the process and inserts it into the
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171 error pane.
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172 """
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173 if self.process is not None:
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174 s = str(self.process.readAllStandardError(),
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175 Preferences.getSystem("IOEncoding"),
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176 'replace')
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177 self.__showError(s)
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178
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179 def __showError(self, out):
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180 """
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181 Private slot to show some error.
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182
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183 @param out error to be shown (string)
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184 """
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185 self.messageEdit.appendPlainText(self.trUtf8("Error: "))
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186 self.messageEdit.appendPlainText(out)

eric ide

mercurial