Demo/tkinter/guido/kill.py

   1 #!/usr/local/bin/python
   2 # Tkinter interface to Linux `kill' command.
   3
   4 from Tkinter import *
   5 from string import splitfields
   6 from string import split
   7 import commands
   8 import posix
   9
  10 class BarButton(Menubutton):
  11         _CNF = {Pack: {'side': 'left'}}
  12         def __init__(self, master=None, cnf={}):
  13                 Menubutton.__init__(self, master, (self._CNF, cnf))
  14                 self.menu = Menu(self, {'name': 'menu'})
  15                 self['menu'] = self.menu
  16
  17 class Kill(Frame):
  18         # List of (name, option, pid_column)
  19         format_list = [('Default', '', 0),
  20                        ('Long', '-l', 2),
  21                        ('User', '-u', 1),
  22                        ('Jobs', '-j', 1),
  23                        ('Signal', '-s', 1),
  24                        ('Memory', '-m', 0),
  25                        ('VM', '-v', 0),
  26                        ('Hex', '-X', 0)]
  27         def kill(self, selected):
  28                 c = self.format_list[self.format.get()][2]
  29                 pid = split(selected)[c]
  30                 posix.system('kill' + ' -9 ' + pid)
  31                 self.do_update()
  32         def do_update(self):
  33                 name, option, column = self.format_list[self.format.get()]
  34                 s = commands.getoutput('ps -w ' + option)
  35                 list = splitfields(s, '\n')
  36                 self.header.set(list[0])
  37                 del list[0]
  38                 y = self.frame.vscroll.get()[2]
  39                 self.frame.list.delete(0, AtEnd())
  40                 for line in list:
  41                         self.frame.list.insert(0, line)
  42                 self.frame.list.yview(y)
  43         def do_motion(self, e):
  44                 e.widget.select_from(e.widget.nearest(e.y))
  45         def do_leave(self, e):
  46                 e.widget.select_clear()
  47         def do_1(self, e):
  48                 self.kill(e.widget.get(e.widget.nearest(e.y)))
  49         def __init__(self, master=None, cnf={}):
  50                 Frame.__init__(self, master, cnf)
  51                 self.pack({'expand': 'yes', 'fill': 'both'})
  52                 self.bar = Frame(
  53                         self,
  54                         {'name': 'bar',
  55                          'relief': 'raised',
  56                          'bd': 2,
  57                          Pack: {'side': 'top',
  58                                 'fill': 'x'}})
  59                 self.bar.file = BarButton(self.bar, {'text': 'File'})
  60                 self.bar.file.menu.add_command(
  61                         {'label': 'Quit', 'command': self.quit})
  62                 self.bar.view = BarButton(self.bar, {'text': 'View'})
  63                 self.format = IntVar(self)
  64                 self.format.set(2)
  65                 for num in range(len(self.format_list)):
  66                         self.bar.view.menu.add_radiobutton(
  67                                 {'label': self.format_list[num][0],
  68                                  'command': self.do_update,
  69                                  'variable': self.format,
  70                                  'value': num})
  71                 #self.bar.view.menu.add_separator()
  72                 #XXX ...
  73                 self.bar.tk_menuBar(self.bar.file, self.bar.view)
  74                 self.frame = Frame(
  75                         self,
  76                         {'relief': 'raised', 'bd': 2,
  77                          Pack: {'side': 'top',
  78                                 'expand': 'yes',
  79                                 'fill': 'both'}})
  80                 self.header = StringVar(self)
  81                 self.frame.label = Label(
  82                         self.frame,
  83                         {'relief': 'flat',
  84                          'anchor': 'nw',
  85                          'borderwidth': 0,
  86                          'textvariable': self.header,
  87                          Pack: {'side': 'top',
  88                                 'fill': 'x'}})
  89                 self.frame.vscroll = Scrollbar(
  90                         self.frame,
  91                         {'orient': 'vertical'})
  92                 self.frame.list = Listbox(
  93                         self.frame,
  94                         {'relief': 'sunken',
  95                          'selectbackground': '#eed5b7',
  96                          'selectborderwidth': 0,
  97                          'yscroll': self.frame.vscroll.set})
  98                 self.frame.vscroll['command'] = self.frame.list.yview
  99                 self.frame.vscroll.pack({'side': 'right', 'fill': 'y'})
 100                 self.frame.list.pack(
 101                         {'side': 'top',
 102                          'expand': 'yes',
 103                          'fill': 'both'})
 104                 self.update = Button(
 105                         self,
 106                         {'text': 'Update',
 107                          'command': self.do_update,
 108                          Pack: {'expand': 'yes',
 109                                 'fill': 'x'}})
 110                 self.frame.list.bind('<Motion>', self.do_motion)
 111                 self.frame.list.bind('<Leave>', self.do_leave)
 112                 self.frame.list.bind('<1>', self.do_1)
 113                 self.do_update()
 114
 115 if __name__ == '__main__':
 116         kill = Kill(None, {'bd': 5})
 117         kill.winfo_toplevel().title('Tkinter Process Killer')
 118         kill.winfo_toplevel().minsize(1, 1)
 119         kill.mainloop()
 120