Mercurial Repositories > eric / file comparison
comparison: eric6/Plugins/DocumentationPlugins/Ericapi/EricapiExecDialog.py
eric6/Plugins/DocumentationPlugins/Ericapi/EricapiExecDialog.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7192
- a22eee00b052
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2003 - 2019 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 from __future__ import unicode_literals | |
| 11 try: | |
| 12 str = unicode | |
| 13 except NameError: | |
| 14 pass | |
| 15 | |
| 16 import os.path | |
| 17 | |
| 18 from PyQt5.QtCore import QProcess, QTimer | |
| 19 from PyQt5.QtWidgets import QDialog, QDialogButtonBox | |
| 20 | |
| 21 from E5Gui import E5MessageBox | |
| 22 | |
| 23 from .Ui_EricapiExecDialog import Ui_EricapiExecDialog | |
| 24 | |
| 25 import Preferences | |
| 26 | |
| 27 | |
| 28 class EricapiExecDialog(QDialog, Ui_EricapiExecDialog): | |
| 29 """ | |
| 30 Class implementing a dialog to show the output of the ericapi process. | |
| 31 | |
| 32 This class starts a QProcess and displays a dialog that | |
| 33 shows the output of the documentation command process. | |
| 34 """ | |
| 35 def __init__(self, cmdname, parent=None): | |
| 36 """ | |
| 37 Constructor | |
| 38 | |
| 39 @param cmdname name of the ericapi generator (string) | |
| 40 @param parent parent widget of this dialog (QWidget) | |
| 41 """ | |
| 42 super(EricapiExecDialog, self).__init__(parent) | |
| 43 self.setModal(True) | |
| 44 self.setupUi(self) | |
| 45 | |
| 46 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False) | |
| 47 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True) | |
| 48 | |
| 49 self.process = None | |
| 50 self.cmdname = cmdname | |
| 51 | |
| 52 def start(self, args, fn): | |
| 53 """ | |
| 54 Public slot to start the ericapi command. | |
| 55 | |
| 56 @param args commandline arguments for ericapi program (list of strings) | |
| 57 @param fn filename or dirname to be processed by ericapi program | |
| 58 (string) | |
| 59 @return flag indicating the successful start of the process (boolean) | |
| 60 """ | |
| 61 self.errorGroup.hide() | |
| 62 | |
| 63 self.filename = fn | |
| 64 if os.path.isdir(self.filename): | |
| 65 dname = os.path.abspath(self.filename) | |
| 66 fname = "." | |
| 67 if os.path.exists(os.path.join(dname, "__init__.py")): | |
| 68 fname = os.path.basename(dname) | |
| 69 dname = os.path.dirname(dname) | |
| 70 else: | |
| 71 dname = os.path.dirname(self.filename) | |
| 72 fname = os.path.basename(self.filename) | |
| 73 | |
| 74 self.contents.clear() | |
| 75 self.errors.clear() | |
| 76 | |
| 77 program = args[0] | |
| 78 del args[0] | |
| 79 args.append(fname) | |
| 80 | |
| 81 self.process = QProcess() | |
| 82 self.process.setWorkingDirectory(dname) | |
| 83 | |
| 84 self.process.readyReadStandardOutput.connect(self.__readStdout) | |
| 85 self.process.readyReadStandardError.connect(self.__readStderr) | |
| 86 self.process.finished.connect(self.__finish) | |
| 87 | |
| 88 self.setWindowTitle( | |
| 89 self.tr('{0} - {1}').format(self.cmdname, self.filename)) | |
| 90 self.process.start(program, args) | |
| 91 procStarted = self.process.waitForStarted(5000) | |
| 92 if not procStarted: | |
| 93 E5MessageBox.critical( | |
| 94 self, | |
| 95 self.tr('Process Generation Error'), | |
| 96 self.tr( | |
| 97 'The process {0} could not be started. ' | |
| 98 'Ensure, that it is in the search path.' | |
| 99 ).format(program)) | |
| 100 return procStarted | |
| 101 | |
| 102 def on_buttonBox_clicked(self, button): | |
| 103 """ | |
| 104 Private slot called by a button of the button box clicked. | |
| 105 | |
| 106 @param button button that was clicked (QAbstractButton) | |
| 107 """ | |
| 108 if button == self.buttonBox.button(QDialogButtonBox.Close): | |
| 109 self.accept() | |
| 110 elif button == self.buttonBox.button(QDialogButtonBox.Cancel): | |
| 111 self.__finish() | |
| 112 | |
| 113 def __finish(self): | |
| 114 """ | |
| 115 Private slot called when the process finished. | |
| 116 | |
| 117 It is called when the process finished or | |
| 118 the user pressed the button. | |
| 119 """ | |
| 120 if self.process is not None and \ | |
| 121 self.process.state() != QProcess.NotRunning: | |
| 122 self.process.terminate() | |
| 123 QTimer.singleShot(2000, self.process.kill) | |
| 124 self.process.waitForFinished(3000) | |
| 125 | |
| 126 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True) | |
| 127 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False) | |
| 128 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) | |
| 129 | |
| 130 self.process = None | |
| 131 | |
| 132 self.contents.insertPlainText( | |
| 133 self.tr('\n{0} finished.\n').format(self.cmdname)) | |
| 134 self.contents.ensureCursorVisible() | |
| 135 | |
| 136 def __readStdout(self): | |
| 137 """ | |
| 138 Private slot to handle the readyReadStandardOutput signal. | |
| 139 | |
| 140 It reads the output of the process, formats it and inserts it into | |
| 141 the contents pane. | |
| 142 """ | |
| 143 self.process.setReadChannel(QProcess.StandardOutput) | |
| 144 | |
| 145 while self.process.canReadLine(): | |
| 146 s = str(self.process.readLine(), | |
| 147 Preferences.getSystem("IOEncoding"), | |
| 148 'replace') | |
| 149 self.contents.insertPlainText(s) | |
| 150 self.contents.ensureCursorVisible() | |
| 151 | |
| 152 def __readStderr(self): | |
| 153 """ | |
| 154 Private slot to handle the readyReadStandardError signal. | |
| 155 | |
| 156 It reads the error output of the process and inserts it into the | |
| 157 error pane. | |
| 158 """ | |
| 159 self.process.setReadChannel(QProcess.StandardError) | |
| 160 | |
| 161 while self.process.canReadLine(): | |
| 162 self.errorGroup.show() | |
| 163 s = str(self.process.readLine(), | |
| 164 Preferences.getSystem("IOEncoding"), | |
| 165 'replace') | |
| 166 self.errors.insertPlainText(s) | |
| 167 self.errors.ensureCursorVisible() |
