Mercurial Repositories > cx_freeze Packager / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CxFreeze/CxfreezeExecDialog.py	Sat Jul 24 17:42:12 2010 +0200
@@ -0,0 +1,153 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show the output of the packager process.
+"""
+
+import os.path
+
+from PyQt4.QtCore import pyqtSlot, QProcess, SIGNAL, SLOT, QTimer
+from PyQt4.QtGui import QDialog, QDialogButtonBox, QMessageBox, QAbstractButton
+
+from .Ui_CxfreezeExecDialog import Ui_CxfreezeExecDialog
+
+import Preferences
+
+class CxfreezeExecDialog(QDialog, Ui_CxfreezeExecDialog):
+    """
+    Module implementing a dialog to show the output of the cxfreeze process.
+    
+    This class starts a QProcess and displays a dialog that
+    shows the output of the packager command process.
+    """
+    def __init__(self, cmdname, parent = None):
+        """
+        Constructor
+        
+        @param cmdname name of the packager (string)
+        @param parent parent widget of this dialog (QWidget)
+        """
+        QDialog.__init__(self, parent)
+        self.setupUi(self)
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
+        
+        self.process = None
+        self.cmdname = cmdname
+    
+    def start(self, args, script):
+        """
+        Public slot to start the packager command.
+        
+        @param args commandline arguments for packager program (list of strings)
+        @param script main script name to be processed by by the packager (string)
+        @return flag indicating the successful start of the process
+        """
+        self.errorGroup.hide()
+        
+        dname = os.path.dirname(script)
+        script = os.path.basename(script)
+        
+        self.contents.clear()
+        self.errors.clear()
+        
+        program = args[0]
+        del args[0]
+        args.append(script)
+        
+        self.process = QProcess()
+        self.process.setWorkingDirectory(dname)
+        
+        self.connect(self.process, SIGNAL('readyReadStandardOutput()'),
+            self.__readStdout)
+        self.connect(self.process, SIGNAL('readyReadStandardError()'),
+            self.__readStderr)
+        self.connect(self.process, SIGNAL('finished(int, QProcess::ExitStatus)'),
+            self.__finish)
+            
+        self.setWindowTitle(self.trUtf8('{0} - {1}').format(self.cmdname, script))
+        self.contents.insertPlainText(' '.join(args) + '\n')
+        self.contents.ensureCursorVisible()
+        
+        self.process.start(program, args)
+        procStarted = self.process.waitForStarted()
+        if not procStarted:
+            QMessageBox.critical(None,
+                self.trUtf8('Process Generation Error'),
+                self.trUtf8(
+                    'The process {0} could not be started. '
+                    'Ensure, that it is in the search path.'
+                ).format(program))
+        return procStarted
+    
+    @pyqtSlot(QAbstractButton)
+    def on_buttonBox_clicked(self, button):
+        """
+        Private slot called by a button of the button box clicked.
+        
+        @param button button that was clicked (QAbstractButton)
+        """
+        if button == self.buttonBox.button(QDialogButtonBox.Close):
+            self.accept()
+        elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
+            self.__finish()
+    
+    def __finish(self):
+        """
+        Private slot called when the process finished.
+        
+        It is called when the process finished or
+        the user pressed the cancel button.
+        """
+        if self.process is not None and \
+           self.process.state() != QProcess.NotRunning:
+            self.process.terminate()
+            QTimer.singleShot(2000, self.process, SLOT('kill()'))
+            self.process.waitForFinished(3000)
+        
+        self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
+        self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
+        self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
+        
+        self.process = None
+        
+        self.contents.insertPlainText(
+            self.trUtf8('\n{0} finished.\n').format(self.cmdname))
+        self.contents.ensureCursorVisible()
+    
+    def __readStdout(self):
+        """
+        Private slot to handle the readyReadStandardOutput signal. 
+        
+        It reads the output of the process, formats it and inserts it into
+        the contents pane.
+        """
+        self.process.setReadChannel(QProcess.StandardOutput)
+        
+        while self.process.canReadLine():
+            s = str(self.process.readAllStandardOutput(), 
+                    Preferences.getSystem("IOEncoding"), 
+                    'replace')
+            self.contents.insertPlainText(s)
+            self.contents.ensureCursorVisible()
+    
+    def __readStderr(self):
+        """
+        Private slot to handle the readyReadStandardError signal. 
+        
+        It reads the error output of the process and inserts it into the
+        error pane.
+        """
+        self.process.setReadChannel(QProcess.StandardError)
+        
+        while self.process.canReadLine():
+            self.errorGroup.show()
+            s = str(self.process.readAllStandardError(), 
+                    Preferences.getSystem("IOEncoding"), 
+                    'replace')
+            self.errors.insertPlainText(s)
+            self.errors.ensureCursorVisible()