Solid (Storage Volume)
#!/usr/bin/env python
# [SNIPPET_NAME: Solid (Storage Volume)]
# [SNIPPET_CATEGORIES: PyKDE4]
# [SNIPPET_DESCRIPTION: Device integration framework for a storage volume]
# [SNIPPET_AUTHOR: Jim Bublitz <[email protected]>]
# [SNIPPET_LICENSE: GPL]
# [SNIPPET_DOCS: http://api.kde.org/pykde-4.3-api/solid/index.html, http://api.kde.org/pykde-4.3-api/solid/Solid.StorageVolume.html]
from PyQt4.QtCore import Qt
from PyQt4.QtGui import QSizePolicy, QTreeWidget, QTreeWidgetItem, QLabel
from PyKDE4.kdecore import i18n
from PyKDE4.solid import Solid
from PyKDE4.kdeui import KVBox, KHBox, KColorButton
helpText = """The Solid class discovers information about the hardware on a machine.
Solid.StorageVolume objects retrieve information about storage volumes on a
machine. The table below shows the data for your machine.
We use Solid.Device.allDevices () to get a list of all devices, and then
filter it for Solid.StorageVolume types.
"""
class MainFrame(KVBox):
def __init__(self, parent=None):
KVBox.__init__(self, parent)
self.help = QLabel (i18n (helpText), self)
self.layout ().setAlignment (self.help, Qt.AlignHCenter)
self.setSpacing (10)
hBox = KHBox (self)
display = QTreeWidget (hBox)
display.setSizePolicy (QSizePolicy.Expanding, QSizePolicy.Expanding)
display.setHeaderLabels (["Volume", "FS Type", "Label", "Ignored", "Size", "Usage"])
display.setColumnWidth (0, 150)
# convert enum values to strings for display
usageType2Str = { Solid.StorageVolume.Other : "Other",\
Solid.StorageVolume.Unused : "Unused",\
Solid.StorageVolume.FileSystem : "File System",
Solid.StorageVolume.PartitionTable : "Partition Tbl",\
Solid.StorageVolume.Raid : "Raid",\
Solid.StorageVolume.Encrypted : "Encrypted"
}
# retrieve a list of Solid.Device for this machine
deviceList = Solid.Device.allDevices ()
# filter the list of all devices and display matching results
# note that we never create a Solid.StorageVolume object,
# but receive one from the 'asDeviceInterface" call
for device in deviceList:
if device.isDeviceInterface (Solid.DeviceInterface.StorageVolume):
volume = device.asDeviceInterface (Solid.DeviceInterface.StorageVolume)
QTreeWidgetItem (display, [device.product (),
volume.fsType (),
volume.label (),
str (volume.isIgnored ()),
"%i MB" % (volume.size ()/1024/1024),
usageType2Str [volume.usage ()]])
# This example can be run standalone
if __name__ == '__main__':
import sys
from PyQt4.QtCore import SIGNAL
from PyKDE4.kdecore import KCmdLineArgs, KAboutData, KLocalizedString, ki18n
from PyKDE4.kdeui import KApplication, KMainWindow
class MainWin (KMainWindow):
def __init__ (self, *args):
KMainWindow.__init__ (self)
self.resize(640, 480)
self.setCentralWidget (MainFrame (self))
#-------------------- main ------------------------------------------------
appName = "Solid_StorageDrive"
catalog = ""
programName = ki18n ("Solid_StorageDrive") #ki18n required here
version = "1.0"
description = ki18n ("Solid.StorageDrive Example") #ki18n required here
license = KAboutData.License_GPL
copyright = ki18n ("(c) 2007 Jim Bublitz") #ki18n required here
text = ki18n ("none") #ki18n required here
homePage = "www.riverbankcomputing.com"
bugEmail = "[email protected]"
aboutData = KAboutData (appName, catalog, programName, version, description,
license, copyright, text, homePage, bugEmail)
# ki18n required for first two addAuthor () arguments
aboutData.addAuthor (ki18n ("Troy Melhase"), ki18n ("original concept"))
aboutData.addAuthor (ki18n ("Jim Bublitz"), ki18n ("pykdedocs"))
KCmdLineArgs.init (sys.argv, aboutData)
app = KApplication ()
mainWindow = MainWin (None, "main window")
mainWindow.show()
app.connect (app, SIGNAL ("lastWindowClosed ()"), app.quit)
app.exec_ ()