Plugins/DocumentationPlugins/Ericdoc/EricdocExecDialog.py

Mon, 25 Mar 2013 03:11:06 +0100

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Mon, 25 Mar 2013 03:11:06 +0100
branch
Py2 comp.
changeset 2525
8b507a9a2d40
parent 2302
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child 2791
a9577f248f04
permissions
-rw-r--r--

Script changes: Future import added, super calls modified and unicode behavior for str.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2003 - 2013 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 the ericdoc process.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11 try:
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12 str = unicode
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13 except (NameError):
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14 pass
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15
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16 import os.path
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17
1112
8a7d1b9d18db Improved code quality by getting rid of star imports. That way pyflakes can do its job. A few bugs fixed found by flakes.
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18 from PyQt4.QtCore import QProcess, QTimer
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19 from PyQt4.QtGui import QDialog, QDialogButtonBox
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20
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21 from E5Gui import E5MessageBox
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22
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1d8dd9706f46 First commit after changing to Python 3.1.
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23 from .Ui_EricdocExecDialog import Ui_EricdocExecDialog
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24
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25 import Preferences
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26
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27
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28 class EricdocExecDialog(QDialog, Ui_EricdocExecDialog):
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29 """
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30 Class implementing a dialog to show the output of the ericdoc process.
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31
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32 This class starts a QProcess and displays a dialog that
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33 shows the output of the documentation command process.
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34 """
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35 def __init__(self, cmdname, parent=None):
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36 """
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37 Constructor
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38
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39 @param cmdname name of the documentation generator (string)
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40 @param parent parent widget of this dialog (QWidget)
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41 """
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42 super(EricdocExecDialog, self).__init__(parent)
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43 self.setModal(True)
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44 self.setupUi(self)
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45
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46 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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47 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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48
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49 self.process = None
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50 self.cmdname = cmdname
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51
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52 def start(self, args, fn):
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53 """
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54 Public slot to start the ericdoc command.
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55
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56 @param args commandline arguments for ericdoc program (list of strings)
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57 @param fn filename or dirname to be processed by ericdoc program (string)
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58 @return flag indicating the successful start of the process (boolean)
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59 """
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60 self.errorGroup.hide()
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61
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62 self.filename = fn
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63 if os.path.isdir(self.filename):
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64 dname = os.path.abspath(self.filename)
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65 fname = "."
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66 if os.path.exists(os.path.join(dname, "__init__.py")):
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67 fname = os.path.basename(dname)
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68 dname = os.path.dirname(dname)
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69 else:
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70 dname = os.path.dirname(self.filename)
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71 fname = os.path.basename(self.filename)
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72
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73 self.contents.clear()
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74 self.errors.clear()
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75
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76 program = args[0]
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77 del args[0]
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78 args.append(fname)
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79
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80 self.process = QProcess()
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81 self.process.setWorkingDirectory(dname)
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82
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83 self.process.readyReadStandardOutput.connect(self.__readStdout)
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84 self.process.readyReadStandardError.connect(self.__readStderr)
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85 self.process.finished.connect(self.__finish)
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86
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87 self.setWindowTitle(self.trUtf8('{0} - {1}').format(self.cmdname, self.filename))
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88 self.process.start(program, args)
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89 procStarted = self.process.waitForStarted()
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90 if not procStarted:
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91 E5MessageBox.critical(self,
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92 self.trUtf8('Process Generation Error'),
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93 self.trUtf8(
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94 'The process {0} could not be started. '
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95 'Ensure, that it is in the search path.'
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96 ).format(program))
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97 return procStarted
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98
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99 def on_buttonBox_clicked(self, button):
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100 """
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101 Private slot called by a button of the button box clicked.
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102
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103 @param button button that was clicked (QAbstractButton)
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104 """
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105 if button == self.buttonBox.button(QDialogButtonBox.Close):
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106 self.accept()
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107 elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
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108 self.__finish()
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109
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110 def __finish(self):
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111 """
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112 Private slot called when the process finished.
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113
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114 It is called when the process finished or
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115 the user pressed the button.
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116 """
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117 if self.process is not None and \
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118 self.process.state() != QProcess.NotRunning:
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119 self.process.terminate()
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120 QTimer.singleShot(2000, self.process.kill)
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121 self.process.waitForFinished(3000)
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122
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123 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
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124 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
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125 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
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126
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127 self.process = None
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128
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129 self.contents.insertPlainText(
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130 self.trUtf8('\n{0} finished.\n').format(self.cmdname))
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131 self.contents.ensureCursorVisible()
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132
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133 def __readStdout(self):
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134 """
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135 Private slot to handle the readyReadStandardOutput signal.
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136
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137 It reads the output of the process, formats it and inserts it into
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138 the contents pane.
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139 """
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140 self.process.setReadChannel(QProcess.StandardOutput)
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141
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142 while self.process.canReadLine():
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143 s = str(self.process.readLine(),
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144 Preferences.getSystem("IOEncoding"),
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145 'replace')
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146 self.contents.insertPlainText(s)
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147 self.contents.ensureCursorVisible()
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148
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149 def __readStderr(self):
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150 """
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151 Private slot to handle the readyReadStandardError signal.
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152
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153 It reads the error output of the process and inserts it into the
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154 error pane.
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155 """
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156 self.process.setReadChannel(QProcess.StandardError)
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157
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158 while self.process.canReadLine():
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159 self.errorGroup.show()
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160 s = str(self.process.readLine(),
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161 Preferences.getSystem("IOEncoding"),
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162 'replace')
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163 self.errors.insertPlainText(s)
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164 self.errors.ensureCursorVisible()

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