Mercurial Repositories > eric / file comparison
comparison: Plugins/DocumentationPlugins/Ericapi/EricapiExecDialog.py
Plugins/DocumentationPlugins/Ericapi/EricapiExecDialog.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2003 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to show the output of the ericapi process. | |
| 8 """ | |
| 9 | |
| 10 import os.path | |
| 11 | |
| 12 from PyQt4.QtCore import * | |
| 13 from PyQt4.QtGui import * | |
| 14 | |
| 15 from Ui_EricapiExecDialog import Ui_EricapiExecDialog | |
| 16 | |
| 17 class EricapiExecDialog(QDialog, Ui_EricapiExecDialog): | |
| 18 """ | |
| 19 Class implementing a dialog to show the output of the ericapi process. | |
| 20 | |
| 21 This class starts a QProcess and displays a dialog that | |
| 22 shows the output of the documentation command process. | |
| 23 """ | |
| 24 def __init__(self, cmdname, parent = None): | |
| 25 """ | |
| 26 Constructor | |
| 27 | |
| 28 @param cmdname name of the ericapi generator (string) | |
| 29 @param parent parent widget of this dialog (QWidget) | |
| 30 """ | |
| 31 QDialog.__init__(self, parent) | |
| 32 self.setModal(True) | |
| 33 self.setupUi(self) | |
| 34 | |
| 35 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False) | |
| 36 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True) | |
| 37 | |
| 38 self.process = None | |
| 39 self.cmdname = cmdname | |
| 40 | |
| 41 def start(self, args, fn): | |
| 42 """ | |
| 43 Public slot to start the ericapi command. | |
| 44 | |
| 45 @param args commandline arguments for ericapi program (list of strings) | |
| 46 @param fn filename or dirname to be processed by ericapi program (string) | |
| 47 @return flag indicating the successful start of the process (boolean) | |
| 48 """ | |
| 49 self.errorGroup.hide() | |
| 50 | |
| 51 self.filename = fn | |
| 52 if os.path.isdir(self.filename): | |
| 53 dname = os.path.abspath(self.filename) | |
| 54 fname = "." | |
| 55 if os.path.exists(os.path.join(dname, "__init__.py")): | |
| 56 fname = os.path.basename(dname) | |
| 57 dname = os.path.dirname(dname) | |
| 58 else: | |
| 59 dname = os.path.dirname(self.filename) | |
| 60 fname = os.path.basename(self.filename) | |
| 61 | |
| 62 self.contents.clear() | |
| 63 self.errors.clear() | |
| 64 | |
| 65 program = args[0] | |
| 66 del args[0] | |
| 67 args.append(fname) | |
| 68 | |
| 69 self.process = QProcess() | |
| 70 self.process.setWorkingDirectory(dname) | |
| 71 | |
| 72 self.connect(self.process, SIGNAL('readyReadStandardOutput()'), | |
| 73 self.__readStdout) | |
| 74 self.connect(self.process, SIGNAL('readyReadStandardError()'), | |
| 75 self.__readStderr) | |
| 76 self.connect(self.process, SIGNAL('finished(int, QProcess::ExitStatus)'), | |
| 77 self.__finish) | |
| 78 | |
| 79 self.setWindowTitle(self.trUtf8('{0} - {1}').format(self.cmdname, self.filename)) | |
| 80 self.process.start(program, args) | |
| 81 procStarted = self.process.waitForStarted() | |
| 82 if not procStarted: | |
| 83 QMessageBox.critical(None, | |
| 84 self.trUtf8('Process Generation Error'), | |
| 85 self.trUtf8( | |
| 86 'The process {0} could not be started. ' | |
| 87 'Ensure, that it is in the search path.' | |
| 88 ).format(program)) | |
| 89 return procStarted | |
| 90 | |
| 91 def on_buttonBox_clicked(self, button): | |
| 92 """ | |
| 93 Private slot called by a button of the button box clicked. | |
| 94 | |
| 95 @param button button that was clicked (QAbstractButton) | |
| 96 """ | |
| 97 if button == self.buttonBox.button(QDialogButtonBox.Close): | |
| 98 self.accept() | |
| 99 elif button == self.buttonBox.button(QDialogButtonBox.Cancel): | |
| 100 self.__finish() | |
| 101 | |
| 102 def __finish(self): | |
| 103 """ | |
| 104 Private slot called when the process finished. | |
| 105 | |
| 106 It is called when the process finished or | |
| 107 the user pressed the button. | |
| 108 """ | |
| 109 if self.process is not None and \ | |
| 110 self.process.state() != QProcess.NotRunning: | |
| 111 self.process.terminate() | |
| 112 QTimer.singleShot(2000, self.process, SLOT('kill()')) | |
| 113 self.process.waitForFinished(3000) | |
| 114 | |
| 115 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True) | |
| 116 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False) | |
| 117 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) | |
| 118 | |
| 119 self.process = None | |
| 120 | |
| 121 self.contents.insertPlainText( | |
| 122 self.trUtf8('\n{0} finished.\n').format(self.cmdname)) | |
| 123 self.contents.ensureCursorVisible() | |
| 124 | |
| 125 def __readStdout(self): | |
| 126 """ | |
| 127 Private slot to handle the readyReadStandardOutput signal. | |
| 128 | |
| 129 It reads the output of the process, formats it and inserts it into | |
| 130 the contents pane. | |
| 131 """ | |
| 132 self.process.setReadChannel(QProcess.StandardOutput) | |
| 133 | |
| 134 while self.process.canReadLine(): | |
| 135 s = unicode(self.process.readLine()) | |
| 136 self.contents.insertPlainText(s) | |
| 137 self.contents.ensureCursorVisible() | |
| 138 | |
| 139 def __readStderr(self): | |
| 140 """ | |
| 141 Private slot to handle the readyReadStandardError signal. | |
| 142 | |
| 143 It reads the error output of the process and inserts it into the | |
| 144 error pane. | |
| 145 """ | |
| 146 self.process.setReadChannel(QProcess.StandardError) | |
| 147 | |
| 148 while self.process.canReadLine(): | |
| 149 self.errorGroup.show() | |
| 150 s = unicode(self.process.readLine()) | |
| 151 self.errors.insertPlainText(s) | |
| 152 self.errors.ensureCursorVisible() |
