1 #! /usr/bin/env python

     2 

     3 # Tkinter interface to SYSV `ps' and `kill' commands.

     4 

     5 from Tkinter import *

     6 

     7 if TkVersion < 4.0:

     8     raise ImportError, "This version of svkill requires Tk 4.0 or later"

     9 

    10 from string import splitfields

    11 from string import split

    12 import commands

    13 import os

    14 

    15 user = os.environ['LOGNAME']

    16 

    17 class BarButton(Menubutton):

    18     def __init__(self, master=None, **cnf):

    19         apply(Menubutton.__init__, (self, master), cnf)

    20         self.pack(side=LEFT)

    21         self.menu = Menu(self, name='menu')

    22         self['menu'] = self.menu

    23 

    24 class Kill(Frame):

    25     # List of (name, option, pid_column)

    26     view_list = [

    27             ('Default', ''),

    28             ('Every (-e)', '-e'),

    29             ('Non process group leaders (-d)', '-d'),

    30             ('Non leaders with tty (-a)', '-a'),

    31             ('For this user (-u %s)' % user, '-u %s' % user),

    32             ]

    33     format_list = [

    34             ('Default', '', 0),

    35             ('Long (-l)', '-l', 3),

    36             ('Full (-f)', '-f', 1),

    37             ('Full Long (-f -l)', '-l -f', 3),

    38             ('Session and group ID (-j)', '-j', 0),

    39             ('Scheduler properties (-c)', '-c', 0),

    40             ]

    41     def kill(self, selected):

    42         c = self.format_list[self.format.get()][2]

    43         pid = split(selected)[c]

    44         os.system('kill -9 ' + pid)

    45         self.do_update()

    46     def do_update(self):

    47         format = self.format_list[self.format.get()][1]

    48         view = self.view_list[self.view.get()][1]

    49         s = commands.getoutput('ps %s %s' % (view, format))

    50         list = splitfields(s, '\n')

    51         self.header.set(list[0] + '          ')

    52         del list[0]

    53         self.frame.list.delete(0, AtEnd())

    54         for line in list:

    55             self.frame.list.insert(0, line)

    56     def do_motion(self, e):

    57         e.widget.select_clear('0', 'end')

    58         e.widget.select_set(e.widget.nearest(e.y))

    59     def do_leave(self, e):

    60         e.widget.select_clear('0', 'end')

    61     def do_1(self, e):

    62         self.kill(e.widget.get(e.widget.nearest(e.y)))

    63     def __init__(self, master=None, **cnf):

    64         apply(Frame.__init__, (self, master), cnf)

    65         self.pack(expand=1, fill=BOTH)

    66         self.bar = Frame(self, name='bar', relief=RAISED,

    67                          borderwidth=2)

    68         self.bar.pack(fill=X)

    69         self.bar.file = BarButton(self.bar, text='File')

    70         self.bar.file.menu.add_command(

    71                 label='Quit', command=self.quit)

    72         self.bar.view = BarButton(self.bar, text='View')

    73         self.bar.format = BarButton(self.bar, text='Format')

    74         self.view = IntVar(self)

    75         self.view.set(0)

    76         self.format = IntVar(self)

    77         self.format.set(0)

    78         for num in range(len(self.view_list)):

    79             label, option = self.view_list[num]

    80             self.bar.view.menu.add_radiobutton(

    81                     label=label,

    82                     command=self.do_update,

    83                     variable=self.view,

    84                     value=num)

    85         for num in range(len(self.format_list)):

    86             label, option, col = self.format_list[num]

    87             self.bar.format.menu.add_radiobutton(

    88                     label=label,

    89                     command=self.do_update,

    90                     variable=self.format,

    91                     value=num)

    92         self.bar.tk_menuBar(self.bar.file,

    93                             self.bar.view,

    94                             self.bar.format)

    95         self.frame = Frame(self, relief=RAISED, borderwidth=2)

    96         self.frame.pack(expand=1, fill=BOTH)

    97         self.header = StringVar(self)

    98         self.frame.label = Label(

    99                 self.frame, relief=FLAT, anchor=NW, borderwidth=0,

   100                 font='*-Courier-Bold-R-Normal-*-120-*',

   101                 textvariable=self.header)

   102         self.frame.label.pack(fill=Y, anchor=W)

   103         self.frame.vscroll = Scrollbar(self.frame, orient=VERTICAL)

   104         self.frame.list = Listbox(

   105                 self.frame,

   106                 relief=SUNKEN,

   107                 font='*-Courier-Medium-R-Normal-*-120-*',

   108                 width=40, height=10,

   109                 selectbackground='#eed5b7',

   110                 selectborderwidth=0,

   111                 selectmode=BROWSE,

   112                 yscroll=self.frame.vscroll.set)

   113         self.frame.vscroll['command'] = self.frame.list.yview

   114         self.frame.vscroll.pack(side=RIGHT, fill=Y)

   115         self.frame.list.pack(expand=1, fill=BOTH)

   116         self.update = Button(self, text='Update',

   117                              command=self.do_update)

   118         self.update.pack(fill=X)

   119         self.frame.list.bind('<Motion>', self.do_motion)

   120         self.frame.list.bind('<Leave>', self.do_leave)

   121         self.frame.list.bind('<1>', self.do_1)

   122         self.do_update()

   123 

   124 if __name__ == '__main__':

   125     kill = Kill(None, borderwidth=5)

   126     kill.winfo_toplevel().title('Tkinter Process Killer (SYSV)')

   127     kill.winfo_toplevel().minsize(1, 1)

   128     kill.mainloop()