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tde-guidance/mountconfig/sizeview.py

506 lines
18 KiB

#!/usr/bin/python3
from PyTQt.tqt import *
from tdecore import *
import sys, os
def getLabel(blocks):
""" Translates blocksize into human readable labels, such as 17.3 Gb, 2.1 Mb. """
try:
blocks = int(blocks) # 1K blocks now.
except ValueError:
return i18n("n/a")
if blocks<1024:
return i18n("%1 Kb").arg(blocks)
if blocks<1024*1024:
return i18n("%1 Mb").arg(round(float(blocks)/1024.0,1))
blocks /= 1024
if blocks<1024*1024:
return i18n("%1 Gb").arg(round(float(blocks)/1024.0,1))
blocks /= 1024
return i18n("%1 Tb").arg(round(float(blocks)/1024.0,1))
class SizeViewApplication(TQApplication):
""" Boilerplate """
def __init__(self,devicename,devicepath,args=[]):
TQApplication.__init__(self,args)
self.maindialog = SizeView(None,devicename,devicepath)
self.setMainWidget(self.maindialog)
self.maindialog.show()
self.exec_loop()
class SizeView(TQDialog):
""" A SizeView represents a horizontal list of PartitionGroupWidgets.
It supplies the code to read the sizes and the values that have
to be filled in, using the /proc filesystem and the program "df".
"""
dev_path = "/dev/" # Where to look for the partitions
devicename = "" # Such as hda1
partitions = {} # List of partitions
sizes = {} # Maps devicenames to blocksizes
mountpoints = {} # Maps devicenames to mountpoints
used = {} # Blocks used on a partition
available = {} # Blocks available
part_types = {} # Maps devicenames to partitiontypes
partitionwidgets = [] # Holds a list of the PartitionGroup widgets
def __init__(self,parent,devicename,devicepath=None):
self.partitionwidgets = []
TQDialog.__init__(self,None,None,0,0)
self.dialogtitle = i18n("Diskspace & Partitions")
self.setCaption(self.dialogtitle)
self.devicename = devicename
if devicepath:
self.dev_path = devicepath
# Retrieve all information from the system.
self.readMounts()
self.readSize()
self.readSwaps()
partitions = list(self.partitions.keys())
partitions.sort()
number=1
for part in partitions:
try:
fill = self.sizes[part]
mountpoint = self.mountpoints[part]
used = self.used[part]
available = self.available[part]
except KeyError:
# Handles empty or not-mounted partitions
fill = None
mountpoint = i18n("n/a")
used = str(i18n("n/a"))
available = str(i18n("n/a"))
pwidg = PartitionGroup(part,self,fill,number,self.part_types,self.dev_path)
pwidg.setSize(self.partitions[part])
pwidg.setMountPoint(mountpoint)
pwidg.setUsed(used)
pwidg.setAvailable(available)
pwidg.setSizePolicy(TQSizePolicy(TQSizePolicy.MinimumExpanding,TQSizePolicy.MinimumExpanding,0,0,
pwidg.sizePolicy().hasHeightForWidth()))
self.partitionwidgets.append(pwidg)
number += 1
n = len(partitions)
r = 2
c = 0
cols = 1
# Compute number of rows needed for partitions.
if n%cols > 0:
rows = int(n/cols)+1
else:
rows = int(n/cols)
if n == 1: rows = 2
# Build main Gridlayout.
total_rows = rows+2
self.grid = TQGridLayout(self,total_rows,2,5)
#self.setSizeGripEnabled(1)
self.buttonCancel = TQPushButton(i18n("Close"),self,"buttonCancel")
self.buttonCancel.setAutoDefault(1)
self.buttonCancel.setFixedWidth(80)
self.grid.addWidget(self.buttonCancel,total_rows-1,1,TQt.AlignRight)
self.grid.setRowStretch(0,0)
self.grid.setRowStretch(total_rows-1,0)
# Stretch all but first and last rows.
for row in range(1,total_rows-1):
self.grid.setRowStretch(row,5)
self.clearWState(TQt.WState_Polished)
self.connect(self.buttonCancel,TQ_SIGNAL("clicked()"),self.hide)
#self.mainlabel = TQLabel("<font size=+2><b>"+self.dialogtitle+"</b></font>",self)
#self.grid.addWidget(self.mainlabel,0,0)
self.diskgroup = DiskGroup(self,self.devicename,self.dev_path,self.partitions,self.totalsize,self.mountpoints)
self.grid.addMultiCellWidget(self.diskgroup,1,1,0,1)
for pw in self.partitionwidgets:
self.grid.addWidget(pw,r,c)
if c is cols:
r += 1
c = 0
else:
c += 1
def readSize(self):
fhandle = open("/proc/partitions","r")
self.partitions = {}
self.totalsize = 0
for line in fhandle.readlines():
try:
major,minor,blocks,name = line.split()
if name == self.devicename:
self.totalsize = blocks
if name[:len(self.devicename)] == self.devicename and len(name) > len(self.devicename):
self.partitions[name] = blocks
except ValueError:
pass
fhandle.close()
def readMounts(self):
fhandle = os.popen("/bin/df")
for l in fhandle.readlines():
v = l.split()
try:
p,s = v[0].split("/")[2],v[4][:-1]
self.sizes[p] = s
self.mountpoints[p] = v[5]
self.used[p] = v[2]
self.available[p] = v[3]
self.part_types[p] = "filesystem"
except IndexError:
pass
fhandle.close()
def readSwaps(self):
fhandle = open("/proc/swaps")
for line in fhandle.readlines():
try:
device,type,size,used,priority = line.split()
device = device[len(self.dev_path):]
self.used[device] = used
self.sizes[device] = round(float(used)/float(size)*100 ,1)
self.available[device] = str(int(size)-int(used))
self.mountpoints[device] = "swap"
self.part_types[device] = "swap"
except:
pass
fhandle.close()
"""
def __show__(self):
print self.partitions
print "Device", self.devicename, self.totalsize
for p in self.partitions:
print p, self.partitions[p], self.partitions[p]
"""
class DiskGroup(TQGroupBox):
""" Shows an overview of the physical layout of the disks, with the different partitions on it. """
def __init__(self,parent,device,dev_path,partitions,totalsize,mountpoints):
TQGroupBox.__init__(self,parent,"DiskViewGroup")
self.setTitle(i18n("Disk %1%2").arg(dev_path).arg(device))
self.mountpoints = mountpoints
self.partitions = partitions
self.totalsize = totalsize
self.setColumnLayout(0,TQt.Vertical)
self.layout().setSpacing(6)
self.layout().setMargin(11)
DiskViewGroupLayout = TQVBoxLayout(self.layout())
DiskViewGroupLayout.setAlignment(TQt.AlignTop)
colors = ["dark orange","dodger blue","gold","green","firebrick","navy","darkorange","darkblue"]
self.diskview = DiskView(self,self.percentages(),colors)
self.diskview.setScaledContents(1)
DiskViewGroupLayout.addWidget(self.diskview)
parts = list(self.partitions.keys())
parts.sort()
self.percentages()
cols = 3 # Number of columns to use for colorlabels.
rows = len(parts)/cols
mod = len(parts)%cols
if mod > 0:
rows += cols-mod
# We multiply the number of cols by 3, first for the colorlabel, second for the name, third for spacing.
cols = cols*3
DiskViewPartitionListLayout = TQGridLayout(DiskViewGroupLayout,rows,cols)
i = cl = r = c = 0
ps = ls = {}
for dev in parts:
ps[i] = LegendLabel(self,colors[cl])
DiskViewPartitionListLayout.addWidget(ps[i],r,c)
try:
lbl = self.mountpoints[dev]
except KeyError:
lbl = "not mounted"
ls[i] = TQLabel(self,lbl+'<br /> ('+dev_path+dev+')',self)
DiskViewPartitionListLayout.addWidget(ls[i],r,c+1)
cl += 1
if cl == len(colors):
cl = 0
i += 1
if c is cols:
c = 0
r += 1
else:
c += 3
def percentages(self):
p_t = 0
for p in list(self.partitions.values()):
p_t += int(p)
self.perc = {}
for p in list(self.partitions.keys()):
self.perc[p] = float(float(self.partitions[p])/float(p_t))
return self.perc
class PartitionGroup(TQGroupBox):
""" Represents a groupbox with the filled bar and a couple of labels with
information about the partition in it."""
blocksize = 0
title = str(i18n("Partition"))
def __init__(self,device,parent,fill_percent,number,part_types,dev_path):
TQGroupBox.__init__(self,parent)
self.part_types = part_types
self.dev_path = dev_path
self.setGeometry(TQRect(110,100,370,203))
self.setColumnLayout(0,TQt.Vertical)
self.layout().setSpacing(3)
self.layout().setMargin(5)
self.setMinimumSize(280,120)
partitiongroup_layout = TQGridLayout(self.layout())
partitiongroup_layout.setAlignment(TQt.AlignTop)
self.available = TQLabel(i18n("available"),self)
partitiongroup_layout.addWidget(self.available,3,4)
self.device = TQLabel(i18n("device"),self)
partitiongroup_layout.addMultiCellWidget(self.device,1,1,3,4)
self.partpixmap = PartitionView(self,fill_percent,self.part_types,device)
self.partpixmap.setScaledContents(1)
partitiongroup_layout.addMultiCellWidget(self.partpixmap,0,0,0,4)
self.textLabel1_3 = TQLabel("textLabel1_3",self)
partitiongroup_layout.addWidget(self.textLabel1_3,3,0)
self.totalsize = TQLabel("totalsize",self)
partitiongroup_layout.addWidget(self.totalsize,2,1)
self.textLabel1_2 = TQLabel(self,"textLabel1_2")
partitiongroup_layout.addWidget(self.textLabel1_2,2,0)
self.textLabel1 = TQLabel(self,"textLabel1")
partitiongroup_layout.addWidget(self.textLabel1,1,0)
self.textLabel3_2 = TQLabel(self,"textLabel3_2")
partitiongroup_layout.addMultiCellWidget(self.textLabel3_2,2,2,2,3)
self.percentfilled = TQLabel(self,"percentfree")
partitiongroup_layout.addWidget(self.percentfilled,2,4)
self.textLabel3_3 = TQLabel(self,"textLabel3_3")
partitiongroup_layout.addWidget(self.textLabel3_3,3,2)
self.textLabel3 = TQLabel(self,"textLabel3")
partitiongroup_layout.addWidget(self.textLabel3,1,2)
self.used = TQLabel(self,"used")
partitiongroup_layout.addWidget(self.used,3,1)
self.mountpoint = TQLabel(self,"mountpoint")
self.mountpoint.setMinimumSize(TQSize(60,0))
partitiongroup_layout.addWidget(self.mountpoint,1,1)
self.clearWState(TQt.WState_Polished)
self.setTitle(i18n("%1. Partition").arg(number))
self.textLabel1_3.setText(i18n("Used:"))
self.textLabel1_2.setText(i18n("Total Size:"))
self.textLabel1.setText(i18n("Mountpoint:"))
self.textLabel3_2.setText(i18n("% Used:"))
self.textLabel3_3.setText(i18n("Available:"))
self.textLabel3.setText(i18n("Device:"))
self.setDevice(self.dev_path+device)
self.setFillPercentage(fill_percent)
def setSize(self,label):
self.totalsize.setText(getLabel(label))
def setDevice(self,device):
self.device.setText(device)
def setMountPoint(self,mountpoint):
self.mountpoint.setText(mountpoint)
self.setTitle(i18n("Partition %1").arg(mountpoint))
def setTotalSize(self,totalsize):
self.totalsize.setText(getLabel(totalsize))
def setFillPercentage(self,fill_percent):
self.fill_percent = self.partpixmap.fill_percent = fill_percent
if fill_percent is not None:
self.percentfilled.setText("%s%%" % fill_percent)
else:
self.percentfilled.setText(i18n("Unknown"))
def setUsed(self,used):
self.used.setText(getLabel(used))
def setAvailable(self,available):
self.available.setText(getLabel(available))
class LegendLabel(TQLabel):
""" Show some color in the DiskView legend """
def __init__(self,parent,color="green",style=TQBrush.SolidPattern):
TQLabel.__init__(self,parent,"bla")
self.w = 40
self.h = 20
self.pmsize = TQSize(self.w,self.h)
self.pm = TQPixmap(self.pmsize)
self.linewidth = 2
self.color = TQColor(color)
self.style = style
self.framecolor = TQColor("black")
self.paintMe()
self.setPixmap(self.pm)
self.setScaledContents(1)
self.setSizePolicy(TQSizePolicy(TQSizePolicy.Fixed,TQSizePolicy.Fixed,0,0,
self.sizePolicy().hasHeightForWidth()))
def paintMe(self):
p = TQPainter(self.pm)
p.fillRect(0,0,self.w,self.h,TQBrush(self.color,self.style))
p.setPen(TQPen(TQColor("black"),self.linewidth))
p.drawRect(self.linewidth/2,self.linewidth/2,self.w-self.linewidth/2,self.h-self.linewidth/2)
p.end()
class PartitionView(TQLabel):
""" PartitionView is a label carryig a pixmap. This class's main purpose is handlig layout
of the underlying pixmap."""
w = 250
h = 35
def __init__(self,parent,fill_percent,part_types,device):
self.part_types = part_types
self.fill_percent = fill_percent
TQLabel.__init__(self,parent,"pview")
self.setSizePolicy(TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding,0,0,
self.sizePolicy().hasHeightForWidth()))
self.setMinimumSize(TQSize(self.w,self.h))
self.setPixmap(PartitionPixmap(TQSize(self.w,self.h),self.fill_percent,self.part_types,device))
self.setScaledContents(1)
self.setAlignment(TQLabel.AlignCenter)
class DiskView(PartitionView):
""" PartitionView is a label carryig a pixmap. This class's main purpose is handlig layout
of the underlying pixmap."""
w = 540
h = 50
linewidth = 2
def __init__(self,parent,percents,colors):
TQLabel.__init__(self,parent)
self.setSizePolicy(TQSizePolicy(TQSizePolicy.Expanding,TQSizePolicy.Expanding,0,0,
self.sizePolicy().hasHeightForWidth()))
self.setPixmap(DiskPixmap(percents,colors,(self.w,self.h)))
self.setScaledContents(1)
self.setAlignment(TQLabel.AlignCenter)
class DiskPixmap(TQPixmap):
linewidth = 2 # Width of surrounding frame
def __init__(self,percents,colors, xxx_todo_changeme):
(w,h) = xxx_todo_changeme
self.percents = percents
self.w,self.h = w,h
self.colors = colors
TQPixmap.__init__(self,w,h)
self.paintMe()
def paintMe(self):
p = TQPainter(self)
w,h = self.w,self.h
i = 0
x0 = 0
y = 0
# Paint background, this is interesting for empty partitions.
p.fillRect(0,0,w,h,TQBrush(TQColor("white")))
parts = list(self.percents.keys())
parts.sort()
xa = wa = 0
for part in parts:
W = (w * self.percents[part])
# We need to adjust a little to avoid to get wholes.
if x0>0: xa = 2
if W < self.w: wa = 2
p.fillRect(x0-xa,0,W+wa,h,TQBrush(TQColor(self.colors[i])))
i += 1
x0 += W
# Paint Frame around it.
p.setPen(TQPen(TQColor("black"),self.linewidth))
p.drawRect(self.linewidth/2,self.linewidth/2,self.width()-self.linewidth/2,self.height()-self.linewidth/2)
p.end()
class PartitionPixmap(TQPixmap):
""" A PartitionPixmap is a two colored bar with a black frame. The first color represents the
percentage that's used, the second one the free percentage."""
linewidth = 2 # Width of surrounding frame
def __init__(self,pmsize,fill_percent,part_types,device):
TQPixmap.__init__(self,pmsize)
self.pmsize = pmsize # Size of the pixmap
self.part_types = part_types # Array to look up the type of the partition
self.fill_percent = fill_percent
self.device = device # Device name of the partition
self.w = self.pmsize.width()
self.h = self.pmsize.height()
self.paintMe()
def paintMe(self):
p = TQPainter(self)
try:
fill_percent = int(self.fill_percent)
if self.part_types[self.device] == "swap":
# Swap partitions get blueish colors.
color_used = TQColor("blue")
color_free = TQColor("lightblue")
else:
# Regular partitions get a red / green color combo.
color_used = TQColor("red")
color_free = TQColor("forest green")
except (KeyError,TypeError):
# Partition has no fillsize, might be empty or not mounted partition
p.fillRect(0,0,self.w,self.h,TQBrush(TQColor("darkgrey")))
p.setPen(TQPen(TQColor("black"),self.linewidth))
p.drawRect(self.linewidth/2,self.linewidth/2,self.w-self.linewidth/2,self.h-self.linewidth/2)
p.end()
return
# Total width of the pixmap
W,H = float(self.w),float(self.h)
# Paint filled == red part of the bar.
x = y = 0
w = W - (W*(1-(fill_percent/100.00)))
h = H
p.fillRect(x,y,w,h,TQBrush(color_used))
# Paint green part == space left
x = w
w = W - w
p.fillRect(x,y,w,h,TQBrush(color_free))
# Paint Frame around it.
p.setPen(TQPen(TQColor("black"),self.linewidth))
p.drawRect(self.linewidth/2,self.linewidth/2,W-self.linewidth/2,H-self.linewidth/2)
p.end()
if __name__ == "__main__":
device = "sdc"
app = SizeViewApplication(device,None,sys.argv)