def __init__(self, mainEngine):
QtGui.QWidget.__init__(self, None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_iso()
self.gui.setupUi(self)
self.filePath = ''
QtCore.QObject.connect(self.gui.btnBrowse, QtCore.SIGNAL('clicked()'),
self.openFileDialog)
QtCore.QObject.connect(self.gui.btnValidate,
QtCore.SIGNAL('clicked()'), self.validateFile)
def __init__(self, mainEngine):
QtGui.QWidget.__init__(self,None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_iso()
self.gui.setupUi(self)
self.filePath = ''
QtCore.QObject.connect(self.gui.btnBrowse, QtCore.SIGNAL('clicked()'), self.openFileDialog)
QtCore.QObject.connect(self.gui.btnValidate, QtCore.SIGNAL('clicked()'), self.validateFile)
class Widget(QtGui.QWidget, StepWidget):
heading = "Choose ISO File"
version = None # populated upon first specified file
def __init__(self, mainEngine):
QtGui.QWidget.__init__(self,None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_iso()
self.gui.setupUi(self)
self.filePath = ''
QtCore.QObject.connect(self.gui.btnBrowse, QtCore.SIGNAL('clicked()'), self.openFileDialog)
QtCore.QObject.connect(self.gui.btnValidate, QtCore.SIGNAL('clicked()'), self.validateFile)
def openFileDialog(self):
fileDialog =QtGui.QFileDialog()
fileDialog.setNameFilter('*.iso') # Does not work!
self.filePath = str(fileDialog.getOpenFileName(self, 'Open ISO File'))
self.onFileUpdated()
def onFileUpdated(self):
self.gui.txtFileName.setText(self.filePath)
useFileSize = True # Hard-coded switch. True for 'validate by size'.
if useFileSize:
# Extract version of ISO file by size
# Assume that all ISO images have different size in bytes.
size = os.path.getsize(os.path.normpath(self.filePath))
self.version = self.mainEngine.versionManager.getBySize(size)
else:
# Extract version of ISO file by its MD5 sum.
# TODO: MD5 sum can be slower on some PCs and it freezes GUI.
self.version = self.mainEngine.versionManager.getByMD5Sum(self.md5sumFile())
if self.version:
self.gui.lblVersion.setText('Valid %s image!' % self.version.name)
else:
self.gui.lblVersion.setText('Unknown Pardus Live CD image.')
def validateFile(self):
if not self.filePath:
return None
elif not os.path.isfile(os.path.normpath(self.filePath)):
return None
else:
self.validateBtnText = self.gui.btnValidate.text()
self.gui.btnValidate.setText('Validating...')
t = ThreadedChecksum(self.mainEngine.md5sum, self.filePath, self.on_md5_finish)
t.start()
if t.wait():
self.hash = self.mainEngine.md5sum.encryptFile(self.filePath)
def on_md5_finish(self):
if hasattr(self, 'validateBtnText') and self.validateBtnText:
self.gui.btnValidate.setText(self.validateBtnText)
computed, original = None, None
if self.version: original = self.version.md5sum
if self.filePath and self.version and self.hash: computed = self.hash
if not self.filePath:
title = 'No Image Specified'
msg = 'Choose an *.iso CD/DVD image file from your PC to validate.'
method = QtGui.QMessageBox.warning
elif not self.version:
title = 'Could not verify'
msg = 'Could not verify image since the file you have chosen is not recognized as a valid Pardus CD/DVD image.'
method = QtGui.QMessageBox.warning
elif computed == original:
title = 'Validated'
msg = 'Downloaded file is valid. You can proceed installation safely.'
method = QtGui.QMessageBox.information
else:
title = 'Invalid File!'
msg = 'Downloaded file is INVALID or CORRUPT. It is STRONGLY recommended NOT to continue installation.'
method = QtGui.QMessageBox.error
method(self, title, msg, QtGui.QMessageBox.Ok)
def onSubmit(self):
if not self.filePath:
QtGui.QMessageBox.warning(self, 'Warning', 'Please choose an ISO file (*.iso) to proceed.', QtGui.QMessageBox.Ok)
return False
else:
if not self.version:
reply = QtGui.QMessageBox.warning(self, 'Unknown CD Image',
'Could not determine version of ISO file. It is not recommended to continue installation.\nDo you want to quit?', QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
sys.exit() # TODO: do not exit immediately. rollback changes.
self.mainEngine.config.isoPath = self.filePath
self.mainEngine.version = self.version
return True
def nextIndex(self):
return 8
class Widget(QtGui.QWidget, StepWidget):
heading = "Choose ISO File"
version = None # populated upon first specified file
def __init__(self, mainEngine):
QtGui.QWidget.__init__(self, None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_iso()
self.gui.setupUi(self)
self.filePath = ''
QtCore.QObject.connect(self.gui.btnBrowse, QtCore.SIGNAL('clicked()'),
self.openFileDialog)
QtCore.QObject.connect(self.gui.btnValidate,
QtCore.SIGNAL('clicked()'), self.validateFile)
def openFileDialog(self):
fileDialog = QtGui.QFileDialog()
fileDialog.setNameFilter('*.iso') # Does not work!
self.filePath = str(fileDialog.getOpenFileName(self, 'Open ISO File'))
self.onFileUpdated()
def onFileUpdated(self):
self.gui.txtFileName.setText(self.filePath)
useFileSize = True # Hard-coded switch. True for 'validate by size'.
if useFileSize:
# Extract version of ISO file by size
# Assume that all ISO images have different size in bytes.
size = os.path.getsize(os.path.normpath(self.filePath))
self.version = self.mainEngine.versionManager.getBySize(size)
else:
# Extract version of ISO file by its MD5 sum.
# TODO: MD5 sum can be slower on some PCs and it freezes GUI.
self.version = self.mainEngine.versionManager.getByMD5Sum(
self.md5sumFile())
if self.version:
self.gui.lblVersion.setText('Valid %s image!' % self.version.name)
else:
self.gui.lblVersion.setText('Unknown Pardus Live CD image.')
def validateFile(self):
if not self.filePath:
return None
elif not os.path.isfile(os.path.normpath(self.filePath)):
return None
else:
self.validateBtnText = self.gui.btnValidate.text()
self.gui.btnValidate.setText('Validating...')
t = ThreadedChecksum(self.mainEngine.md5sum, self.filePath,
self.on_md5_finish)
t.start()
if t.wait():
self.hash = self.mainEngine.md5sum.encryptFile(self.filePath)
def on_md5_finish(self):
if hasattr(self, 'validateBtnText') and self.validateBtnText:
self.gui.btnValidate.setText(self.validateBtnText)
computed, original = None, None
if self.version: original = self.version.md5sum
if self.filePath and self.version and self.hash: computed = self.hash
if not self.filePath:
title = 'No Image Specified'
msg = 'Choose an *.iso CD/DVD image file from your PC to validate.'
method = QtGui.QMessageBox.warning
elif not self.version:
title = 'Could not verify'
msg = 'Could not verify image since the file you have chosen is not recognized as a valid Pardus CD/DVD image.'
method = QtGui.QMessageBox.warning
elif computed == original:
title = 'Validated'
msg = 'Downloaded file is valid. You can proceed installation safely.'
method = QtGui.QMessageBox.information
else:
title = 'Invalid File!'
msg = 'Downloaded file is INVALID or CORRUPT. It is STRONGLY recommended NOT to continue installation.'
method = QtGui.QMessageBox.error
method(self, title, msg, QtGui.QMessageBox.Ok)
def onSubmit(self):
if not self.filePath:
QtGui.QMessageBox.warning(
self, 'Warning',
'Please choose an ISO file (*.iso) to proceed.',
QtGui.QMessageBox.Ok)
return False
else:
if not self.version:
reply = QtGui.QMessageBox.warning(
self, 'Unknown CD Image',
'Could not determine version of ISO file. It is not recommended to continue installation.\nDo you want to quit?',
QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
sys.exit(
) # TODO: do not exit immediately. rollback changes.
self.mainEngine.config.isoPath = self.filePath
self.mainEngine.version = self.version
return True
def nextIndex(self):
return 8
