def unpack(self, package):
"""Unpack the given lilypond .sh archive."""
fileName = os.path.basename(package)
ver = version(fileName) or 'unknown' # should not happen
self.prefix = os.path.join(self.installDest.url().path(), ver)
self.lilypond = os.path.join(self.prefix, "bin", "lilypond")
if not os.path.exists(self.prefix):
os.makedirs(self.prefix)
elif os.path.exists(self.lilypond):
result = KMessageBox.questionYesNoCancel(self, i18n(
"LilyPond %1 seems already to be installed in %2.\n\n"
"Do you want to use it or to remove and re-install?",
ver, self.prefix), None,
KGuiItem(i18n("Use existing LilyPond")),
KGuiItem(i18n("Remove and re-install")))
if result == KMessageBox.Yes:
self.info.lilypond.setText(self.lilypond)
self.enableButtonOk(True)
KDialog.done(self, KDialog.Accepted)
return
elif result == KMessageBox.No:
shutil.rmtree(self.prefix, True)
else: # Cancel
self.progress.reset()
self.enableButtonOk(True)
return
self.status.setText(i18n("Unpacking %1...", fileName))
self.progress.setRange(0, 0)
unpack = self.unpackJob = QProcess()
unpack.setProcessChannelMode(QProcess.MergedChannels)
unpack.setWorkingDirectory(self.prefix)
unpack.finished.connect(self.unpackFinished)
unpack.error.connect(self.unpackError)
unpack.start("sh", [package, "--batch", "--prefix", self.prefix])
def __kdeQuestion(parent, title, text,
buttons = QMessageBox.Ok, defaultButton = QMessageBox.NoButton):
"""
Function to show a modal critical message box.
@param parent parent widget of the message box
@param title caption of the message box
@param text text to be shown by the message box
@param buttons flags indicating which buttons to show
(QMessageBox.StandardButtons)
@param defaultButton flag indicating the default button
(QMessageBox.StandardButton)
@return button pressed by the user (QMessageBox.StandardButton)
"""
if __nrButtons(buttons) == 1:
if defaultButton == QMessageBox.NoButton:
defaultButton = __getLowestFlag(buttons)
yesButton = defaultButton
yesItem = __getGuiItem(yesButton)
KMessageBox.questionYesNo(parent, text, title, yesItem, KGuiItem())
return yesButton
if __nrButtons(buttons) == 2:
if defaultButton == QMessageBox.NoButton:
defaultButton = __getLowestFlag(buttons)
yesButton = defaultButton
yesItem = __getGuiItem(yesButton)
noButton = int(buttons & ~yesButton)
noItem = __getGuiItem(noButton)
res = KMessageBox.questionYesNo(parent, text, title, yesItem, noItem)
if res == KMessageBox.Yes:
return yesButton
else:
return noButton
if __nrButtons(buttons) == 3:
if defaultButton == QMessageBox.NoButton:
defaultButton = __getLowestFlag(buttons)
yesButton = defaultButton
yesItem = __getGuiItem(yesButton)
buttons = buttons & ~yesButton
noButton = __getLowestFlag(buttons)
noItem = __getGuiItem(noButton)
cancelButton = int(buttons & ~noButton)
cancelItem = __getGuiItem(cancelButton)
res = KMessageBox.questionYesNoCancel(parent, text, title,
yesItem, noItem, cancelItem)
if res == KMessageBox.Yes:
return yesButton
elif res == KMessageBox.No:
return noButton
else:
return cancelButton
raise RuntimeError("More than three buttons are not supported.")
