def __init__(self, mainEngine):
QtGui.QWidget.__init__(self,None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_usb()
self.gui.setupUi(self)
self.connect(self.gui.comboDrive, QtCore.SIGNAL('currentIndexChanged(int)'), self.onDriveUpdated)
class Widget(QtGui.QWidget, StepWidget):
heading = "Install from USB Memory Stick"
usb = None
gfxboot_cfg_file = "gfxboot.cfg"
def __init__(self, mainEngine):
QtGui.QWidget.__init__(self,None)
StepWidget.__init__(self, mainEngine)
self.gui = Ui_usb()
self.gui.setupUi(self)
self.connect(self.gui.comboDrive, QtCore.SIGNAL('currentIndexChanged(int)'), self.onDriveUpdated)
def onEnter(self):
self.populateUSBs()
def onDriveUpdated(self):
pass
version = self.determineUSBVersion()
if version:
usbDrive = self.getSelectedUSBDrive()
self.gui.lblPath.setText("%s files detected in %s successfully." % (version.name, usbDrive.DeviceID))
else:
self.gui.lblPath.setText("Unrecognized Pardus CD in USB drive %s." % self.usbPath)
def populateUSBs(self):
self.gui.comboDrive.clear()
self.mainEngine.compatibility.winPopulateUSBs()
usbDrives = self.mainEngine.compatibility.usbs
if not usbDrives or len(usbDrives) == 0:
self.gui.lblPath.setText("No plugged USB drive detected on your computer.")
self.gui.comboDrive.setDisabled(True)
else:
self.gui.comboDrive.setDisabled(False)
for usb in usbDrives:
self.gui.comboDrive.addItem('%s %s' %(usb.DeviceID, usb.Name))
def getSelectedUSBDrive(self):
for usb in self.mainEngine.compatibility.usbs:
if usb.DeviceID == self.gui.comboDrive.currentText()[:2]:
# TODO: TBD: First 2 letters of combobox is drive letter+colon.
# This may fail in the future.
return usb
return None
def determineUSBVersion(self, tolerance = 10):
"""
Determines Pardus release version by parsing gfxboot.cfg and
obtaining distro name then comparing it with names defined in
versions.xml file using Levenshtein distance of 'tolerance' value.
"""
# TODO: tolerance TBD.
currentDrive = self.getSelectedUSBDrive()
gfxboot_cfg = locate_file_in_path('%s\\' % currentDrive.DeviceID, self.gfxboot_cfg_file)
if not gfxboot_cfg:
log.debug('Could not locate %s.' % self.gfxboot_cfg_file)
return None
distro_name = version_name_from_gfxboot(gfxboot_cfg)
if not distro_name:
log.debug('No distro specified in %.' % self.gfxboot_cfg_file)
return None
result = self.mainEngine.versionManager.getByDistance(distro_name, tolerance)
if result:
log.debug('Detected version: %s' % result.name)
return result
else:
log.debug('Could not detect version in Levenshtein distance of %d.' % tolerance)
return None
def onSubmit(self):
currentDrive = self.getSelectedUSBDrive()
if not currentDrive:
QtGui.QMessageBox.warning(self, 'Warning', 'Please choose USB drive which has Pardus CD contents to proceed.', QtGui.QMessageBox.Ok)
return False
else:
self.mainEngine.config.usbDrive = self.getSelectedUSBDrive()
version = self.determineUSBVersion()
if version:
self.mainEngine.version = version
else:
reply = QtGui.QMessageBox.warning(self, 'Unknown Pardus Live CD contents in USB.', 'Unable to identify Pardus release of CD/DVD in %s. It is NOT recommended to continue installation. Do you want to exit?' % currentDrive.DeviceID, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes: sys.exit() # TODO: redirect to a exit event function
return True
def nextIndex(self):
return 8
